Thanks a ton!! The secret is out.. a fellow driver ask a experienced driver what's the HV on his pack mean and he let him know that high voltage charge using lihv not lipo command. For I myself I bought a couple muchmore packs as usual the most recent said High Voltage so I peered at the fine print... all the while I've been cycling them through my 21.5 in moderational speeds charging lipo.. then crank up the speed a little. I was informed of this speed secret of charging lihv on my new HV batteries... and WOW! I believe I figured out why I'm consistently 1-2 sec behind the field. Especially important your last comment whereas I was chargin on lipo i just wasn't getting the full benefit 🏁
Good chargers have adjustable voltage cutoffs that you can preset, hv can charge to 4.35 volts per cell so a 2s can voltage cut at 8.7 volts. Hv lipos also have a much flatter voltage drop off so even when the hv voltage drops to 8.4 it continues to outperform a standard lipo
The higher the voltage, the faster a motor will spin and the hotter it can get. The voltage difference in a HV LiPo vs a std. LiPo is small enough that unless you have s system that is already running hot, it should not make a very noticeable difference on motor temps. Keep in mind that the additional voltage only lasts for a fraction of the charge, and once the voltage dips down to 4.2v/cell then it's like running a normal pack.
The ESC has to accommodate the Higher voltage so you might have to get a higher Amp ESC if your a little under - I always buy a little higher Amp ESC anyway seems the suggested ESC's are always under Amped and burn up on me.
you said one can run HV on esc with no issues , question is a 3s hv at its full charge is 13.5 volt can it be used on a 3s max limit esc ..will the 12.6 vs 13.5 fry esc or need a 4s lipo limit esc or just dont charge the hv battery to its full potential volt and keep it at 4.2v
i do it every day on my 4s ovonic 1300mah 100c lipos. ben doing this for 2 years and never had a problem. im not recommending you do it. im just saying this is what i do on a daily basis. just know your lipo won't last quite as long. i usually get a summers worth of charging before they start to get high resistance. i would estimate about 250 to 300 charges per lipo. i even charge my old weak lipos like this to get all i can out of them before they completely die. you can take an old lipo with high resistance that sags right after takeoff and charge with HV and then get about one minute of flight time with it. i run ovonic 4s 1300mah 100c on a 700 gram quad with 2207 2750kv motors and use 5051 bi blade props and fly 3D like Zoe FPV does. Hope this answers your question. P.S. just be safe and don't do it. i only do it out of necessity!
In theory however there will be more heat because it allows the motor and ESC to do more work , faster acceleration higher speeds etc. That's why full out running 2s on 3s capable rc will create less heat then running 3s. 3s will be going 70mph vs 40mph on 2s. More work = more heat
For me lower batterievoltage ist ok (i didnt Want to buy hv) And nothing gets damaged An the Batterie its said i shound not charge it over 4.2 per cell Im exited to see what my normal Charger will do Sorry for the stupid questions and my Bad englisch I didnt understood your vid in Detail because my englisch Is so bad Also im starting with Drone racing Than you for answer
Thanks a ton!! The secret is out.. a fellow driver ask a experienced driver what's the HV on his pack mean and he let him know that high voltage charge using lihv not lipo command. For I myself I bought a couple muchmore packs as usual the most recent said High Voltage so I peered at the fine print... all the while I've been cycling them through my 21.5 in moderational speeds charging lipo.. then crank up the speed a little. I was informed of this speed secret of charging lihv on my new HV batteries... and WOW! I believe I figured out why I'm consistently 1-2 sec behind the field.
Especially important your last comment whereas I was chargin on lipo i just wasn't getting the full benefit 🏁
Thank you for the feedback, this is why we do these videos!!
Good chargers have adjustable voltage cutoffs that you can preset, hv can charge to 4.35 volts per cell so a 2s can voltage cut at 8.7 volts. Hv lipos also have a much flatter voltage drop off so even when the hv voltage drops to 8.4 it continues to outperform a standard lipo
I’m confused so if I charge it with a normal charger on 7.4v I won’t get the pros of the 7.6v lipo?
Correct, it will still work fine but you will not get the extra "boost" from that additional voltage.
thanks for the info
im taking your word on the using a 3.7v nominal charger till i get the hivolt charger
again thanks
Our pleasure, thank you for watching!
You mentioned that you can use HV lipo battery with any lipo brushless esc has cut off, but the high voltage will affect the brushless motor ?
The higher the voltage, the faster a motor will spin and the hotter it can get. The voltage difference in a HV LiPo vs a std. LiPo is small enough that unless you have s system that is already running hot, it should not make a very noticeable difference on motor temps. Keep in mind that the additional voltage only lasts for a fraction of the charge, and once the voltage dips down to 4.2v/cell then it's like running a normal pack.
The ESC has to accommodate the Higher voltage so you might have to get a higher Amp ESC if your a little under - I always buy a little higher Amp ESC anyway seems the suggested ESC's are always under Amped and burn up on me.
you said one can run HV on esc with no issues , question is a 3s hv at its full charge is 13.5 volt can it be used on a 3s max limit esc ..will the 12.6 vs 13.5 fry esc or need a 4s lipo limit esc or just dont charge the hv battery to its full potential volt and keep it at 4.2v
Great Thanks
My question: Can I charge a "normal" 3.7V Lipo under "HV/3.8V" conditions, or will it be damaged?
thank you so much for a reply;
Alex
Technically no, you cannot. Have we seen it done? Maybe....
i do it every day on my 4s ovonic 1300mah 100c lipos. ben doing this for 2 years and never had a problem. im not recommending you do it. im just saying this is what i do on a daily basis. just know your lipo won't last quite as long. i usually get a summers worth of charging before they start to get high resistance. i would estimate about 250 to 300 charges per lipo. i even charge my old weak lipos like this to get all i can out of them before they completely die. you can take an old lipo with high resistance that sags right after takeoff and charge with HV and then get about one minute of flight time with it. i run ovonic 4s 1300mah 100c on a 700 gram quad with 2207 2750kv motors and use 5051 bi blade props and fly 3D like Zoe FPV does. Hope this answers your question. P.S. just be safe and don't do it. i only do it out of necessity!
Nice video , i do speedruns, hi volt is better than lipo ? Faster speeds ?
I've been charging my normal lipo 4s flight packs to 4.30 havent had any issues. but what could happen..?
Fire ! but i do the same. have not had problem yet but it could happen. just be careful !
Thanks for this video.
Strapin dual Bolt 1300 livh 3s on my drone , should i be worried ? cant replace er
Excellent explanation !
Can you tell me if it is possible to charge HV on imax B6?
Most generations of B6 do NOT have LiHV capability.
can charging these to 4.2v with a standard charger harm them ? i am thinking the HV packs would give me a bit of head room
Not at all, you can do that no problem you simply won't get that extra voltage.
@@RCJuice i take it lpo have no memory so as long as i don't go to hi or to lo i an fine ?
At what Voltage do I store the high voltage LiPo? Thanks for uploading this!
Standard storage charge voltage 3.8v.
Correction 3.5v
In theory there should be less current on the system at a higher voltage meaning less heat too.
In theory however there will be more heat because it allows the motor and ESC to do more work , faster acceleration higher speeds etc. That's why full out running 2s on 3s capable rc will create less heat then running 3s. 3s will be going 70mph vs 40mph on 2s. More work = more heat
Can i charge it with the charsoon dc 4s
Because i cant change any setting of the Charger
There arent any buttons
You would not be able to charge a HV pack to the max voltage with that charger.
For me lower batterievoltage ist ok (i didnt Want to buy hv)
And nothing gets damaged
An the Batterie its said i shound not charge it over 4.2 per cell
Im exited to see what my normal Charger will do
Sorry for the stupid questions and my Bad englisch
I didnt understood your vid in Detail because my englisch Is so bad
Also im starting with Drone racing
Than you for answer
Thanks Sir.
thanks for the info
Bravo brother
Nice