This stop charging at XYZ volts feature would work for something like V13 that has "smart" BMS. It can balance batteries without those being fully charged. Other EUC do not have smart BMS and require full charge for balancing to do whatever it does. Without balancing, danger for a single cell to deviate further and further from the norm will become more with all the perks like risk of fire etc. One can of course mitigate somewhat by performing full charge every so often.
sure cell balance is an important issue but easy to prevent with periodic complete charges. And it does not happen only when fully charging. Ternary cell based batteries start balancing at 3.6v/cell way before even starting the CV phase of charge. Smart BMS are awesome but cover a section of the entire vehicle and they are not as failproof as people think. All these protection features have an operative range, that out of it, become overided and expensive parts can get damage anyway. Such events happen, including charger failure. It is like insurance. We do not think we need it until something happens. Modern PCs have a power supply unit with protections. Even though we add a UPS to protect it from events that can override their inbuilt protection range. And we expose our EUCs to a more hostile environment than our PCs 😉
According to Bob Yan: "I double checked with the manufactures these days, to find that most the latest smart BMS wheels(Like S22,V13,Extreme,Lynx) begin cell balancing from about 80% of the max voltages. For older versions it's true that most of them begin from the top end voltages. To achieve a longer lifespan and maintain a good cells balancing, we recommend riders to fully charge their wheel very month or 20 cycles. Actually CE can be used to evaluate the health of batteries. User can read the capacity charged up into their batteries(0-100%), then compared with the manufacture claimed capacity, if it's under 80%, it means the battery may has decayed too much, or there might be some issues on the BMS, cells balancing, or even some dead cells. For those unhealthy battery packs, we recommend users charge and use with caution, and try not to fully charge them every time, as it'll further accelerate its decay."
Come on Pidzoom, you need to make a charger like Roger's charger to replace the original charger with all these features. I expect smallest possible, good heatsink and thermal management, good price, if you want to compete with Roger's charger and others. Get that voltage as high as possible for future-proofing. People got upset buying $400 Roger's charger than got outdated with 168v a few months later.
There is a charger on the way - I don't have the details about it though. I will ask about it and see if I can get some details. Hopefully it will be adjustable voltage/current smart, and affordable. He lamented a while back about the high prices of good chargers so hopefully that means Pidzoom's will be reasonably priced. I will let you know as soon as possible, if he provides me the info 🙂
I didn't get much detail about an upcoming charger, but we are looking at a (roughly) July release. I passed along concerns about pricing and wanting it to be 168v+ for future-proofing purposes and he was receptive about it.
Agreed, but that's a different product. The heavyweight EUCs only serve a fraction of the already small market. The average EUC rider seeks a portable vehicle, and such a charger would be a significant percentage of its value. The CE140 aims to offer an accessible tool for enhancing safety and convenience, irrespective of EUC model/size. For my upcoming V14S, I'd like a true charger (not a PU or Rectifier) compact, portable, and adjustable between 3-16A. 😉
Hm my v13 only charges to 4.17v per cell. Even when using hypercharger set to 126v it will always stop at roughly 125/124v fully charged. Thats what I like about inmotion. Safety first
After I got my V13 March 2023 I noticed it would not charge to 100%. It did the first 2 charges. Checked charger and it was charging to 125.2V vs 126V. Reported it to dealer. A week later a firmware came out and now 125.2 is the new 100%. I think the V13 and maybe even newer InMotion wheels charger will not be charging to 100%. Not sure for others but thatvis where I am now. Gets to 100% and then charge light stays on charger while cells are balancing until done and then I have 125.2 total and charger says all green on charge.
Yep that is how it was intended 😊 the V13 begins cell balancing at 50% charge, so they likely did that in the interest of lifecycle longevity, as well as prevention of potential downhill overcharge cutouts.
Awesome video! I also received a pre-commercial CE140 unit for testing, and the more I use it, the more useful purposes I discover. It provides protection beyond preventing fires. For instance, during a neighborhood power outage while charging an EUC, the charger got damaged, impacting BMS beyond its protection range. CE140 adds layers of security, to old as well as new EUC, just like UPS for PCs. BMS and smart chargers are not failproof. When charging my vehicle in a new location, during long trips or visiting other cities, I bring my CE140 to check how stable is the grid. It packs many useful tools in a single and very portable device. Also, I use CE140 to measure the effective battery capacity of the EUCs in my workshop. I am comparing it with mileage. 😉
Indeed - I requested that specifically when I was sent the prototype. Bob confirmed that it is on its way in the next iteration of the charger enhancer 😊
You can technically do this with a cheap smart plug that allows you to set a shut-down at a specific current draw. I have been doing this personally for years. You figure out the current draw in mA at let's say 90% of the EUC charge, and set the smart switch to turn off the power to the charger.
2. Utilize over-current protection by setting up a cut-off current. 3. Implement scheduled charging. For instance, you can set the charger to reach 50% - 80% capacity as previously described and then turn off. Schedule the switch to turn on an hour or two before you wake up, ensuring the battery reaches 100% for your long ride. This method prevents overnight trickle charging and avoids the battery remaining at 100% throughout the night. This approach is most effective with a BMS that has active balancing, such as the Inmotion V13 - V14. For models like the V11, which have passive balancing and require reaching 100% for balancing and calibration, it is recommended to charge to 100% periodically. Allow the battery to remain at 100% for a longer duration (balancing is generally complete when the current draw drops below 75-50 mA, measured on the 230V AC 50Hz EU side; measurements may differ for US 120V AC 60Hz). Ensure that passive balancing BMS EUCs are charged to 100% if the battery level drops below 20%-10%. These are my recommendations. Whether these practices will significantly extend the life of the battery remains to be seen. The primary recommendation is to avoid driving the EUC downhill for a prolonged period when the battery is 100% charged. The regenerative braking energy has to be dissipated, and if it cannot be stored in the battery, it will convert to heat. This can damage the BMS and battery cells, primarily due to over-voltage scenarios. I learned this the hard way. I managed to kill a BMS on an Inmotion V11 and damage the battery cells. The newer Inmotion firmware tilts, and yells at you overvoltage, and the Veteran Paton beeps like crazy. P.S. Love your videos
I was charging my SHERMAN and it made these rapid beeping alarm sound and the head light turned it was charging for about 2 hours and when it reached 100% that’s when it happened. WHY?🤷🏽♂️
I have a smart bms dally on nicola and 50lt..I really like that way and use with eucworld and a tplink wifi socket si everything is fine do not need that enhancer...too expensive..he should develop GaN small smart charger for 100usd
Didnt you do a video on EUC fires that broke down the statistics to show that almost all EUC fires were caused by manufacturers pushing batteries beyond their discharge limits? Is there any statistically significant evidence that has shown perfectly good condition EUCs bursting into flames from simply charging?
It is very unlikely to happen, yes. So this device would be much more useful for fire prevention for older EUCs as well as escooters with less advanced BMSes. Fires are much less of a concern in 2024 for EUCs specifically
Hmmh, you seam to believe to much in the promotion of the PZ, amd seam to lack some technical understanding. Just my opinion 🤷♂️ The PZ is a overpriced monitor for battery charching which you can het for about on ethird of the prize. The „stop function“ is as useless as it can be, as the BMS takes care of it, OR your app does it, OR you have a variable fastcharger like the Roger, which ALSO can adjust a stop voltage before. So personally ME i go with the one third price charging monitor…… Just saying. Also, Bob saying that some of the EUC smart BMSs can balance before reaching 98/99% is a straight out lie! The Smart BMSs we have are not really „Smart“…. IF the where, then you would be able to adjust a balancing percentage, which NONE of our EUC can do….
Well I agree with you that smart BMSes are not truly as smart as they ought to be, what makes you believe that Bob is lying about that? If nothing else, it turns a basic stock charger into a much smarter charger for less than a Roger charger. Also, something I hadn't realized before is that you can actually measure your battery degradation levels using this device. Since you can see the actual amount of power that your EUC has received, using some fancy math you can find out how much your batteries have degraded. I understand your thoughts in believing that this might be snake oil, but Bob is an incredibly smart person who has been integral in the design of EUCs from a technical standpoint for over 10 years. I don't have any reason to believe that he is lying, at least for now.
No, not all - but they are definitely coming. Smaller, more beginner-friendly EUCs will have lower voltage. The higher your voltage, the more battery cells you have to put in series, which increases weight. But the Extreme Pro is on its way (basically the same specs as the Commander GT Pro) from Begode, and more performance machines are coming.
Correct me if I’m wrong, but fast charging (and discharging too) is the worst thing you can do to any battery. It’s the heat generated that is the problem.. and why you guys are so obsessed with your heat reading during rides. Yes?
That is the case often, yes. With a lot of modern EUCs, especially with 50S batteries, that is not an issue. With 50E batteries in a 4p configuration it's a slight worry, but it's not major usually.
Your pre-workout analogy is strange and doesn't follow, but there is good reasons not to fully charge to 100% most of the time. Chargers are supposed to downgrade their current as they get closer to max so it is possible using maths to figure out approximations. I wish what Pidzoom was doing with the charger enhancer was placed on all chargers. There is no reason why you shouldn't be able to control the voltage cutoff for your lithium batteries other than price.
Looked at the site and ended up buying one, with the discount code because I would not have known of this product without this vid. Because they used standardized XT60 connectors it will be possible to build your own adapters as well so devices that use XLR could be adapted for cheap. Also because it could clean up some of the requirement for multiple chargers as long as you have the XT60 and the voltage is configured properly. So, at least in theory. an 84V wheel and 134.4V wheel could use the same 134.4V charger with different adapter ends on the Charger Enhancer. I know other voltage regulators exist out on the market but this one seems to match with what PEV users need.
What a bunch of nonsense, most EUC's need to be top charged for balancing, even the S22 has a lower threshold for when balancing occurs and it won't balance below a certain cell voltage (higher than 80%). On wheels like Lynx and Extreme we have no idea how capable those BMS are or what they parameters they set for charging because those settings are not exposed all we know is that we can see cell voltage and temperature. So any advice other than charge to full is nonsense and potentially dangerous. Also why use the Pre-Production S22 as the thumbnail? That one had a firmware error making it combust has nothing to do with charging.
You're right, all EUC's need to be balanced at the top every once in a while. For smart BMSes on all EUCs, we can find out what battery % they begin to balance at, because EUC manufacturers share that info publicly when asked. For the Lynx, Extreme, and S22, it begins to balance at 80%. For the V13 and V14, it's 50%. It is always recommended regardless to do a longer balance (24 hours or so) about once per month without the charger enhancer. 😊 I used the S20 image because that was one of the most high-res photos I could find of an EUC fire, but there's no intention of making a direct connection between the two.
Snakeoil. Charging battery over 80% is reducing it lifecycle, but only a tiny bit. Every phone or laptop does full charge with no issues for 2-3 years of everyday use. EUC batteries suffer from poor design, low quality components and crashes.
Even if it is indeed "snake oil", it still protects very well from overcharging, especially if you set your voltage 1-2v below it's maximum. Those who live on a hill can use this to protect from an overcharge cutout, as well as avid jumpers. Johnny Go Vroom will address this in a video soon, but this does have its place for that community as well.
@@WheelGoodTimeMy S22 does have a software charge voltage cutoff. It limits max charge voltage with no 3rd party snakeoil boxes. For other wheels it will be better to buy a smaller, more powerfull charger with adjustable voltage and current. There is lots of options from chinese sellers.
partial charging has a huge effect in battery life. As an example, modern notebooks have inbuilt partial charging features while connected to the AC to extend battery lifespan. Battery capacity degradation occurs due to physical and/or chemical damage. Without taking into account mistakes like charging at higher than 4.2V/cell, or forcing high amps in cold temperature, and alike, most of the "normal" degradation occurs at the final step of the charging process (CV). It is a well documented fact that we can extend several times the lifespan by avoiding this step through partial charging. However, during CV is also when the BMS tends to balance the voltage between parallel groups of cells or between cells directly, depending on the design. While a common standard is to start balancing at 4.15V/cell, there is no common agreement among EUC manufacturers and we have a diverse situation with some starting to balance as soon as 3.6V/cell (around 50%, like V13) while others at 3.95v/cell and one manufacturer only at the very top of the charge (4.2V/cell). Therefore, the ideal case to have both benefits regardless of the model of EUC or PEV in general, it is as simple as to partially charge as the usual method and periodically (20:1) let it to fully charge. I find it surprising the level of concern regarding cell imbalance due to partial charging. Do not take me wrong, it is important but also very simple to solve. I do not see the same level of concern regarding the use of power units as chargers (without CV step) combined with high amps settings. Clearly not the best situation for cell balancing.
How so? It's well known that overcharging a lithium ion battery degrades it. It's also well known that keeping it between 20-80% battery state keeps the batteries in the best shape long-term. This device both prevents overcharging (I can personally confirm this) and turns off charging at whatever voltage you set it to. I have a stock Begode Master Pro charger that charges to 136V (!!!) So no snake oil here, just science and a smart man who came up with this device.
@@WheelGoodTime as others has mentioned, 100 percent band is where balancing happens. It is dangerous to not balance, some try and count how many low charges before a full balance but that is folly trying to predict when packs are out of whack. Almost every feature in this, is in your bms already.
@@richsam287 According to Bob Yan, that is only true for older devices. I personally trust him as an authority on this subject because of his extensive background and credentials in this field. But I will provide an update about which EUCs begin balancing at a 50% charge state to confirm.
@@richsam287 This is not a act of balancing, it is a stupid charger that cannot balance due to the fact that it turns off and on again (on my c22 it turns off and on 4-5 times, and then does not turn on again). Balancing occurs at a low current, and stock charging does not allow this to be done. You don't need to turn off to balance. Roger's charg balances much better and doesn't turn off.
![BLACK BAG - Official Trailer [HD] - Only in Theaters March 14](http://i.ytimg.com/vi/Du0Xp8WX_7I/mqdefault.jpg)
This stop charging at XYZ volts feature would work for something like V13 that has "smart" BMS. It can balance batteries without those being fully charged. Other EUC do not have smart BMS and require full charge for balancing to do whatever it does. Without balancing, danger for a single cell to deviate further and further from the norm will become more with all the perks like risk of fire etc. One can of course mitigate somewhat by performing full charge every so often.
sure cell balance is an important issue but easy to prevent with periodic complete charges. And it does not happen only when fully charging. Ternary cell based batteries start balancing at 3.6v/cell way before even starting the CV phase of charge. Smart BMS are awesome but cover a section of the entire vehicle and they are not as failproof as people think. All these protection features have an operative range, that out of it, become overided and expensive parts can get damage anyway. Such events happen, including charger failure. It is like insurance. We do not think we need it until something happens.
Modern PCs have a power supply unit with protections. Even though we add a UPS to protect it from events that can override their inbuilt protection range. And we expose our EUCs to a more hostile environment than our PCs 😉
Charge to FULL because of battery pack balancing
According to Bob Yan: "I double checked with the manufactures these days, to find that most the latest smart BMS wheels(Like S22,V13,Extreme,Lynx) begin cell balancing from about 80% of the max voltages. For older versions it's true that most of them begin from the top end voltages. To achieve a longer lifespan and maintain a good cells balancing, we recommend riders to fully charge their wheel very month or 20 cycles. Actually CE can be used to evaluate the health of batteries. User can read the capacity charged up into their batteries(0-100%), then compared with the manufacture claimed capacity, if it's under 80%, it means the battery may has decayed too much, or there might be some issues on the BMS, cells balancing, or even some dead cells. For those unhealthy battery packs, we recommend users charge and use with caution, and try not to fully charge them every time, as it'll further accelerate its decay."
Come on Pidzoom, you need to make a charger like Roger's charger to replace the original charger with all these features. I expect smallest possible, good heatsink and thermal management, good price, if you want to compete with Roger's charger and others. Get that voltage as high as possible for future-proofing. People got upset buying $400 Roger's charger than got outdated with 168v a few months later.
There is a charger on the way - I don't have the details about it though. I will ask about it and see if I can get some details. Hopefully it will be adjustable voltage/current smart, and affordable. He lamented a while back about the high prices of good chargers so hopefully that means Pidzoom's will be reasonably priced. I will let you know as soon as possible, if he provides me the info 🙂
I didn't get much detail about an upcoming charger, but we are looking at a (roughly) July release. I passed along concerns about pricing and wanting it to be 168v+ for future-proofing purposes and he was receptive about it.
Agreed, but that's a different product. The heavyweight EUCs only serve a fraction of the already small market. The average EUC rider seeks a portable vehicle, and such a charger would be a significant percentage of its value. The CE140 aims to offer an accessible tool for enhancing safety and convenience, irrespective of EUC model/size. For my upcoming V14S, I'd like a true charger (not a PU or Rectifier) compact, portable, and adjustable between 3-16A. 😉
Hm my v13 only charges to 4.17v per cell. Even when using hypercharger set to 126v it will always stop at roughly 125/124v fully charged. Thats what I like about inmotion. Safety first
Yeah that's a very good thing for battery longevity purposes. I used to think it was a negative too... Silly me 🤦
The rap is amazing!!!lol
this video is the bomb unlike your wheels going forward
I wanted so badly to use the instrumental part of the song to go with it, but it would've given me a copyright strike lol
After I got my V13 March 2023 I noticed it would not charge to 100%. It did the first 2 charges. Checked charger and it was charging to 125.2V vs 126V. Reported it to dealer. A week later a firmware came out and now 125.2 is the new 100%. I think the V13 and maybe even newer InMotion wheels charger will not be charging to 100%. Not sure for others but thatvis where I am now. Gets to 100% and then charge light stays on charger while cells are balancing until done and then I have 125.2 total and charger says all green on charge.
Yep that is how it was intended 😊 the V13 begins cell balancing at 50% charge, so they likely did that in the interest of lifecycle longevity, as well as prevention of potential downhill overcharge cutouts.
Hello. I need a portable model to take on a trip, like a power bank. Do you know of one? Thanks.
Awesome video! I also received a pre-commercial CE140 unit for testing, and the more I use it, the more useful purposes I discover. It provides protection beyond preventing fires. For instance, during a neighborhood power outage while charging an EUC, the charger got damaged, impacting BMS beyond its protection range. CE140 adds layers of security, to old as well as new EUC, just like UPS for PCs. BMS and smart chargers are not failproof. When charging my vehicle in a new location, during long trips or visiting other cities, I bring my CE140 to check how stable is the grid. It packs many useful tools in a single and very portable device.
Also, I use CE140 to measure the effective battery capacity of the EUCs in my workshop. I am comparing it with mileage. 😉
They need a 151v version … last time I checked, they didn’t have one.
Indeed - I requested that specifically when I was sent the prototype. Bob confirmed that it is on its way in the next iteration of the charger enhancer 😊
@@WheelGoodTime awesome, looking forward to buying it!! Thank you for the videos.
You can technically do this with a cheap smart plug that allows you to set a shut-down at a specific current draw. I have been doing this personally for years.
You figure out the current draw in mA at let's say 90% of the EUC charge, and set the smart switch to turn off the power to the charger.
@@GGnext.crazycro interesting! Sounds like a good method 🙂
2. Utilize over-current protection by setting up a cut-off current.
3. Implement scheduled charging. For instance, you can set the charger to reach 50% - 80% capacity as previously described and then turn off. Schedule the switch to turn on an hour or two before you wake up, ensuring the battery reaches 100% for your long ride. This method prevents overnight trickle charging and avoids the battery remaining at 100% throughout the night.
This approach is most effective with a BMS that has active balancing, such as the Inmotion V13 - V14. For models like the V11, which have passive balancing and require reaching 100% for balancing and calibration, it is recommended to charge to 100% periodically. Allow the battery to remain at 100% for a longer duration (balancing is generally complete when the current draw drops below 75-50 mA, measured on the 230V AC 50Hz EU side; measurements may differ for US 120V AC 60Hz). Ensure that passive balancing BMS EUCs are charged to 100% if the battery level drops below 20%-10%.
These are my recommendations. Whether these practices will significantly extend the life of the battery remains to be seen.
The primary recommendation is to avoid driving the EUC downhill for a prolonged period when the battery is 100% charged. The regenerative braking energy has to be dissipated, and if it cannot be stored in the battery, it will convert to heat. This can damage the BMS and battery cells, primarily due to over-voltage scenarios.
I learned this the hard way. I managed to kill a BMS on an Inmotion V11 and damage the battery cells.
The newer Inmotion firmware tilts, and yells at you overvoltage, and the Veteran Paton beeps like crazy.
P.S. Love your videos
I was charging my SHERMAN and it made these rapid beeping alarm sound and the head light turned it was charging for about 2 hours and when it reached 100% that’s when it happened. WHY?🤷🏽♂️
Great question, I'm not sure. I'll have to look at the manual to see for myself. Do you have your manual available? It might be in there
@@WheelGoodTime I’m not sure if I have it. I gotta check. Thanks for responding 👍🏽
I have a smart bms dally on nicola and 50lt..I really like that way and use with eucworld and a tplink wifi socket si everything is fine do not need that enhancer...too expensive..he should develop GaN small smart charger for 100usd
That intro was so good I watched 3 times.
me with my s22 who has been charging it to 89% because that's something you can do in the app:
Same here mate
Didnt you do a video on EUC fires that broke down the statistics to show that almost all EUC fires were caused by manufacturers pushing batteries beyond their discharge limits? Is there any statistically significant evidence that has shown perfectly good condition EUCs bursting into flames from simply charging?
It is very unlikely to happen, yes. So this device would be much more useful for fire prevention for older EUCs as well as escooters with less advanced BMSes. Fires are much less of a concern in 2024 for EUCs specifically
Where is this product that you’re promoting made?
Shenzhen, China. 🙂
There is only one country with the skills and equipment to manufacture it
Hmmh, you seam to believe to much in the promotion of the PZ, amd seam to lack some technical understanding.
Just my opinion 🤷♂️ The PZ is a overpriced monitor for battery charching which you can het for about on ethird of the prize.
The „stop function“ is as useless as it can be, as the BMS takes care of it, OR your app does it, OR you have a variable fastcharger like the Roger, which ALSO can adjust a stop voltage before. So personally ME i go with the one third price charging monitor……
Just saying.
Also, Bob saying that some of the EUC smart BMSs can balance before reaching 98/99% is a straight out lie!
The Smart BMSs we have are not really „Smart“…. IF the where, then you would be able to adjust a balancing percentage, which NONE of our EUC can do….
Well I agree with you that smart BMSes are not truly as smart as they ought to be, what makes you believe that Bob is lying about that? If nothing else, it turns a basic stock charger into a much smarter charger for less than a Roger charger. Also, something I hadn't realized before is that you can actually measure your battery degradation levels using this device. Since you can see the actual amount of power that your EUC has received, using some fancy math you can find out how much your batteries have degraded. I understand your thoughts in believing that this might be snake oil, but Bob is an incredibly smart person who has been integral in the design of EUCs from a technical standpoint for over 10 years. I don't have any reason to believe that he is lying, at least for now.
@@monowheeling what is that product? I'd like to look more into it.
Received my Veteran Lynx and its not overcharging !!!
I'm glad to hear that 🙂
Is it true all Begode wheels will go to 168v next year?
No, not all - but they are definitely coming. Smaller, more beginner-friendly EUCs will have lower voltage. The higher your voltage, the more battery cells you have to put in series, which increases weight. But the Extreme Pro is on its way (basically the same specs as the Commander GT Pro) from Begode, and more performance machines are coming.
I will wait for extreme pro
@@pacochawa2746 announcement incoming for that is scheduled for January 25th, I believe!
Is there any EUC with newer battery like the Tesla 4680?
@@tpol6515 they all use li-ion batteries (21700 or 18650 size) right now.
Correct me if I’m wrong, but fast charging (and discharging too) is the worst thing you can do to any battery. It’s the heat generated that is the problem.. and why you guys are so obsessed with your heat reading during rides. Yes?
That is the case often, yes. With a lot of modern EUCs, especially with 50S batteries, that is not an issue. With 50E batteries in a 4p configuration it's a slight worry, but it's not major usually.
Your pre-workout analogy is strange and doesn't follow, but there is good reasons not to fully charge to 100% most of the time. Chargers are supposed to downgrade their current as they get closer to max so it is possible using maths to figure out approximations. I wish what Pidzoom was doing with the charger enhancer was placed on all chargers. There is no reason why you shouldn't be able to control the voltage cutoff for your lithium batteries other than price.
Looked at the site and ended up buying one, with the discount code because I would not have known of this product without this vid. Because they used standardized XT60 connectors it will be possible to build your own adapters as well so devices that use XLR could be adapted for cheap. Also because it could clean up some of the requirement for multiple chargers as long as you have the XT60 and the voltage is configured properly. So, at least in theory. an 84V wheel and 134.4V wheel could use the same 134.4V charger with different adapter ends on the Charger Enhancer.
I know other voltage regulators exist out on the market but this one seems to match with what PEV users need.
GENIUS
I usually charge batteries to 80%
What a bunch of nonsense, most EUC's need to be top charged for balancing, even the S22 has a lower threshold for when balancing occurs and it won't balance below a certain cell voltage (higher than 80%). On wheels like Lynx and Extreme we have no idea how capable those BMS are or what they parameters they set for charging because those settings are not exposed all we know is that we can see cell voltage and temperature. So any advice other than charge to full is nonsense and potentially dangerous. Also why use the Pre-Production S22 as the thumbnail? That one had a firmware error making it combust has nothing to do with charging.
You're right, all EUC's need to be balanced at the top every once in a while. For smart BMSes on all EUCs, we can find out what battery % they begin to balance at, because EUC manufacturers share that info publicly when asked. For the Lynx, Extreme, and S22, it begins to balance at 80%. For the V13 and V14, it's 50%. It is always recommended regardless to do a longer balance (24 hours or so) about once per month without the charger enhancer. 😊
I used the S20 image because that was one of the most high-res photos I could find of an EUC fire, but there's no intention of making a direct connection between the two.
Snakeoil. Charging battery over 80% is reducing it lifecycle, but only a tiny bit. Every phone or laptop does full charge with no issues for 2-3 years of everyday use.
EUC batteries suffer from poor design, low quality components and crashes.
Even if it is indeed "snake oil", it still protects very well from overcharging, especially if you set your voltage 1-2v below it's maximum. Those who live on a hill can use this to protect from an overcharge cutout, as well as avid jumpers. Johnny Go Vroom will address this in a video soon, but this does have its place for that community as well.
@@WheelGoodTimeMy S22 does have a software charge voltage cutoff. It limits max charge voltage with no 3rd party snakeoil boxes.
For other wheels it will be better to buy a smaller, more powerfull charger with adjustable voltage and current. There is lots of options from chinese sellers.
partial charging has a huge effect in battery life. As an example, modern notebooks have inbuilt partial charging features while connected to the AC to extend battery lifespan. Battery capacity degradation occurs due to physical and/or chemical damage. Without taking into account mistakes like charging at higher than 4.2V/cell, or forcing high amps in cold temperature, and alike, most of the "normal" degradation occurs at the final step of the charging process (CV). It is a well documented fact that we can extend several times the lifespan by avoiding this step through partial charging. However, during CV is also when the BMS tends to balance the voltage between parallel groups of cells or between cells directly, depending on the design. While a common standard is to start balancing at 4.15V/cell, there is no common agreement among EUC manufacturers and we have a diverse situation with some starting to balance as soon as 3.6V/cell (around 50%, like V13) while others at 3.95v/cell and one manufacturer only at the very top of the charge (4.2V/cell).
Therefore, the ideal case to have both benefits regardless of the model of EUC or PEV in general, it is as simple as to partially charge as the usual method and periodically (20:1) let it to fully charge. I find it surprising the level of concern regarding cell imbalance due to partial charging. Do not take me wrong, it is important but also very simple to solve.
I do not see the same level of concern regarding the use of power units as chargers (without CV step) combined with high amps settings. Clearly not the best situation for cell balancing.
This seems to drip of snake oil.
How so? It's well known that overcharging a lithium ion battery degrades it. It's also well known that keeping it between 20-80% battery state keeps the batteries in the best shape long-term. This device both prevents overcharging (I can personally confirm this) and turns off charging at whatever voltage you set it to. I have a stock Begode Master Pro charger that charges to 136V (!!!) So no snake oil here, just science and a smart man who came up with this device.
@@WheelGoodTime as others has mentioned, 100 percent band is where balancing happens. It is dangerous to not balance, some try and count how many low charges before a full balance but that is folly trying to predict when packs are out of whack. Almost every feature in this, is in your bms already.
@@richsam287 According to Bob Yan, that is only true for older devices. I personally trust him as an authority on this subject because of his extensive background and credentials in this field. But I will provide an update about which EUCs begin balancing at a 50% charge state to confirm.
@@WheelGoodTimehave you ever heard your charger surge at the very end of a charge cycle, off and on, off and on. That is the act of balancing.
@@richsam287 This is not a act of balancing, it is a stupid charger that cannot balance due to the fact that it turns off and on again (on my c22 it turns off and on 4-5 times, and then does not turn on again). Balancing occurs at a low current, and stock charging does not allow this to be done. You don't need to turn off to balance. Roger's charg balances much better and doesn't turn off.