Li Time 230Ah Plus 12v Lithium RV | Off Grid | Solar LiFePO4 Battery
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- Опубликовано: 30 сен 2024
- The Professor reviews the 230Ah Plus LFP drop in lead acid replacement battery with LOW TEMP PROTECTION from LiTime (Ampere Time) perfect for RV camping, van life, off grid, home backup, DIY solar.
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I bought four to add to my current (pun intended) four 200 amp hour batteries. This gives me a total of almost 20kWh of backup, connected to 6.5 kW worth of solar panels. Works flawlessly and powers everything we throw at it without fail. Total cost was around $2300 after all the discounts, which is pretty danged good.
Sounds like a bargain.
I’m not sure about the creative math but when I run it through my ohm’s law calculator I get 2.4 kw hour that comes out to 9.6 kWh not 20kwh’s and I just don’t have the thousands of dollars to spend for the price of your 4 lithium batteries I can buy over 25 deep cycle 100 amp hour batteries now I can see if your trying to do this on your RV but at home connected to solar panels I find it hard to believe that 4 of these 200amp hour batteries can put out more power than 25 deep cycle 100 amp hour batteries. I think it’s just you saying I got the newest toy on the block and I have thousands of dollars more than you do. Now my brother has a hole yard full of harbor freight solar panels most have quit working after about 20 years I moved in with him and connected my 500 wats of panels they are around 10 years old and have all ready not doing so well last month I got a 220 watt panel and connected it up and our batteries are charging so much better we now have lights almost all night just from 1 panel and we don’t have to run the generator so much anymore. My question to you is after spending $2300 on 4 batteries what are you going to charge them with I don’t live on the grid so I just can’t plug in several 250 amp chargers to recharge a bunch of toys to impress the neighbors with because I’ll tell you right now they don’t care and the ones who do will be more likely to come over and break your stuff because you have lights on and they don’t and like I said if your panels are over 10 years old your going to have to replace them soon or run generators to charge your expensive batteries and remember if they do get run down below around 30% they quit working I’ve lost a bunch of lithium batteries because I didn’t get them recharged soon enough. I do wish I had the thousands of dollars you people spend to save a couple of pounds for a couple of years and the creative math I’ll leave it at that
@@glenparker234can you at least afford some punctuation?
4 plus 4 is 8@@glenparker234
$2300 sounds fantastic compared to what I've seen on channels like this.
Hi Everyone. I bought 1 of these on 5-23 for my 330 searay sundancer. It runs the lights fridge water bathroom etc for 3 days. Excellent battery.
dang, this is almost as good as buying bare cells, i picked up 16x280ah cells(48v class) for just under $2000, but that didnt include a BMS, or housing.
Or a 5 year warranty ...
I was about to buy eight eve 280ah cells for 900 bucks also.I don’t have the equipment so now have a warranty for 5 years.I seen stock was down to 6 so bought a 2 pack.
I got 2 of the new eg4 48v batteries and love them have built in bums and 10 yr warranty
Great review as always. Pound for pound and dollar for dollar, these are an excellent choice for a large bank or, in my case, a single battery in a Sprinter. I bought one and can now upsize my inverter, speed up charging and have much more storage capacity.
I am totally off electric grid in Mohave County Arizona since 1996. People ask what these batteries are for. I have three of these in parallel, the 25.8 volt version and they have replaced my 8 Trojan l16 flooded deep cycle batteries.
I am looking to buy this battery for my RV. My battery box is outside the rig and the inverter that I have in the rigs is a 1800 W. The solar panel that I have on the roof is 200 W.. I am not an avid battery "connaisseur" so I would like to know if this battery can be used in my RV. We are mostly doing dry camping on the weekend, so the battery will charge during the week I guess. Or if not I will bring it back home at recharge it.
Yes, it will work in your RV. Just don't charge it below freezing.
This review is EXCELLENT! The on screen pop up showing what BMS means and other info should be the standard. Very thorough review.
I look forward to your videos on this stuff. It looks like you are getting more and more impressed with the quality of the products being introduced.
Looks like a great golf cart battery platform. 200A output should allow the cart to go up some hills with people without turning off like many others.
Look into that type of use because on their site (under battery tips) they specifically noted "Not for golf cart use".
Thank you so much for the "batteries for dummies" explanation at the end. I'm in the studying and researching phase of preparing to move to my off grid property, and my brain was telling me that "lead acid is sooo much cheaper", but I guess not.
About time they stop using old AGM battery cases and start using custom boxes designed for the standard LiFePO4 cells (100, 105, 200, 210, 220, 230, 280, 304'ish)
I had a Battery Failure due to faulty crimped lugs inside the battery. You should always feel the main terminals for overheating when testing. I pried the top off the battery and soldered the terminal lugs. Problem fixed.
Congratulations on 190k next stop 200k good job sir. Li Time is looking much better 😊
Greatings! HELP please anyone!
I have bought 2- 100watts indestructible cigs flexible panels. I also have a 2000 inverter. I’m planning to buy this battery?
I will be running a wall air conditioning small, a 12v BougeRV fridge, a lamp, a one burner stove and will be charging a Bluetti AC500(old one) Could anyone please direct me to what else do I need to buy to complete a set up?
I appreciate any response and help. Thanks!
So it seems like so many people act like it's no big deal to just switch over to lithium , but you have to buy a lot of other items that cost money and you have to do modifications, but it seems like people that make these videos leave that part out ,you can't just buy a lithium battery and throw it in your motorhome, people want to know what's the easiest way change to lithium batteries without paying someone a small fortune to make the necessary changes,, people keep leaving out the fact that you got to buy all this extra stuff to convert it and if you can't do it yourself you have to pay someone, is there a battery that you can use without having to make major upgrades? ,that's what many people are looking for a simple exchange of batteries someone said bluetooth smart batteries , really hard to get complete information for the common Joe that doesn't know a lot about the whole lithium thing
"Drop in replacement" means you drop it in and use it. As long as your charger supports 14.4v (lead acid or lithium) it charges fine. The brains are in the battery. For solar you set to standard flooded lead acid and forget it. The only time you might need to buy something is if your charger is 20+ years old and only provides 13.6v. In that case you go to Progressive Dynamics and get a 3 stage charger for $200 that will do 14.4v. So no, it's not a big deal.
I have these same battery, 3 mos old
LiTime recommend I set my Renogy Rove, 40 A charger controller with these setting:
LiTime Support:
Please correct the data as per the attached.😃
~~~~~~
Boost Charge Return Volt (V) ： 14.4, ok
Over Discharge Return Volt (V) ： 11.8, ok
Low Voltage Alarm (V) ： 11.2, ok
Low Voltage (V) ： 10.4, ok
Discharge Limit Volt (V) ： 10.4, ok
Over Discharge Delay Time (S)： 10, ok
Equalize Charge Time ： 120mins, ok
Boost Charge Time (Minutes)： 270mins, ok
Equalize Charge Interval： 180mins, ok
Temperature Compensation: 0, ok
@@HOBOTECH
It is getting harder to make buying decisions because the tech and prices are changing so fast. But this is, without a doubt, a good battery. Some of the big brands need to cut their prices soon.
Speaking of chargers. We need a charger for RV’s that can be plugged into an EV charging station. That will be a game changer.
The real issue is that EV charging stations aren't designed with RV's or large vehicles towing trailers in mind.
I like to use those contactless thermometers right up against whatever i'm measuring because they measure in a cone, and the farther away it is from the source the larger that cone is.
you could have a 3000C arc, surrounded by dry ice, but if the sensor is several feet away, it might read below freezing.
Well worth the price... discount is the icing on the cake.
Yah I used a code a few days go.Saved 62 bucks !
Great job yet again Hobo! Thanks for the excellent review of general Battery Tech at the end, I loved it and needed a refresher.
Hobo. Can you tell me what I would expect to see on nominal charge at rest? I bought 3-280AH Plus batteries and will be connected in parallel for my RV. I will be charging with 1 of 3 methods. up to 1080 watts of solar. Generator through a 60 AMP Converter. I was thinking of adding the LiTime 80 AMP charger to the 60 amp converter so I get a max mount of 140 amps of charging. Is this something you think would be a good idea?
If it was just a little more capacity it could eke over the 3kwh mark...
Just hook 2 together
Excellent video, however your discount code comes up invalid. I bought the batteries on Amazon, but thought you should know.
Over the last 5 to 10 years, I have had to replace 4 or 5 lead acid car batteries. Even with using store and vendor discounts, prices have more than doubled. As higher capacity, LiFePO4 batteries are being produced with lower per watt hour pricing, it really is worth comparing prices with lead acid batteries. In the long run, because of all of the Pros and Cons provided in this video by the Professor, you will most likely come out ahead by choosing LiFeP04 batteries.
Good point. I bought an Anker solar power station and wanted to extend the power. The Li Time 100 amp mini battery doubled the power total and was half the Anker price of their extended battery. Yes you need a charger. With an inverter you have a full backup in case the power station has an issue.
Great review, I purchased the battery and was going to install it on top of a wheel well box on its side ( to clear the bed frame) with the posts down and the top of battery graphics right side up so the posts over hanging the box edge and the wiring is on the side of the wheel well box. I emailed Li Time since the manual advised not to do this unless I contacted them. I did and got this exchange,
Thank you contacting LiTime service, it's Ricket, i will be of your any assistance.
To install the 12V 230Ah Plus battery, the front and top side can not towards to the bottom.
As per your installations, you have moved the front side towards to the bottom which was unworkable, you could moved the back side to the bottom to instead of the front side.
Ricket,
Could you explain the technical reasons why this configuration does not work? Also not to be insulting but could you use correct English grammar in explaining it. If this is not possible could you please refer to someone who can.
Hi Collin,
We would like to clarify that why the front and top side of the battery was not allow to face to the bottom, because the locations of the BMS board and the terminals of the battery cells there.
So does that position put pressure on the BMS unit from the weight of the battery cells potentially causing it to fail? The photo and explanation you gave do not clarify this. Again not to be offensive but the language structure is confusing. Do you have an engineer with good written English skills who can explain this to me?
Hi Collin,
Don't worried, The net weight of the battery cells will not make the BMS units under pressure.
If you can't follow our instruction to install this battery, we would recommend you change another model battery to get the expected installation you need.
So based on this exchange and the structure of Li Time LiFePO batteries does anybody see any danger or potential failure by mounting the battery as I would like to position it?
I know you live in a high temp environment like me. How do these batteries do in the heat? I see it says nothing above 70C. With the heat here in Las Vegas we are getting up to 117F. In my metal box on my trailer with the sun on it. I might hit 145F or more. Should I be worried about that? Thanks!
i AM COVERTING FROM LEAD ACID BATTERY TO 230AH PLUS LITIME BATTERY. WHAT SIZE WIRE DO i NEED FROM THE BATTERY .
Seeing how quickly the battery density is improving makes me not want to buy any yet, they’ll have a 360 Ah model in the same form factor by next year.
Professor Hobo,
Another wonderful review.
We just purchased our 1st "Glamper" 🤪 a Grand Design Imagine 22MLE.
I'd love your advice. 😊
She came with a 12V Refer, 1@165W solar panel, a Furrion 25amp, 300W charge controller, and NO INVERTER.
RIGHT AWAY, I learned my 100Ah battery was not cutting it, so I actually purchased this 12V 230Ah LiTime battery a month ago, and a Victron smart shunt. Small start.
BUT NOW:
- I must get some kind of INVERTER & at least 1 (maybe 2) more 165W Solar Panel, and
- likely replace the CHARGE CONTROLLER... Perhaps a 30A or more?
IF I want to Boondock for 3-5 days. Especially IF we want to run the 15,000BTU AC for ~8hrs a night.
I do have an "emergency" small 1600W Inverter Gas Generator (NEMA L5-30R, 13.3A @ 120V). I'd love to NEVER need it.
Cheers!
Eric
I'n new to this, and am doing a ton of research while learning at the same time. I was leaning towards a REDODO, but now I do not know. I'm wanting to do a diy power bank with 4 or 5 12V DC plugs so that I can run a 12V Dometic, 2 12V fans and 2 cpap machines. Any suggestions? If I do use an inverter it would be something small like 500 or a 1000 watts not interested in A/C that much, as I have an ECOflow.
Price is now $699.99 and discount is $40.
How long will this Battery hold a charge before it drops below 11 volts
Would you recommend 2-230 ah or 1-460 ah battery??
Dang... The only thing this battery needs is self heating
Add a $30 12v water tank heater with built-in thermostat.
Is this a literal drop in replacement as in the standard alternator will charge this to 100%?
I love everything about this battery except the sealed case. Being able to open the case for maintenance such as top balancing of the cells can be a plus unless you need a waterproof battery
the background music really goes off at 2:30 for no reason lol
Looking forward to another sale on this battery!
@Hobotech I’m adding this battery to my travel trailer and wanted to know what amp charger I need. Can I go over the recommended 45amp according to LiTimes spec sheet?
Good question. Very probably. But by how much? .2C is the general guideline. But as you saw in the test, 150 amps in didn’t cause any problems
Can I run this in parallel with the li time 100ah battery?
Don't sleep with a lithium batteries either. They are safer than lead-acid, but care must still be taken. While they don't outgas under normal operation, any sort of runaway (even for LiFepO4 that doesn't result in a fire)... any sort of runaway will still produce massive amounts of toxic smoke and keep producing it for hours.
So at a minimum if putting lithium batteries inside the house be sure there is a smoke detector nearby to alert you if something goes wrong. And don't situate the batteries such that they are inbetween you and your egress from the house.
So if the temperature outside is below freezing that battery will not accept a charge?
No. If the cells inside are below freezing they won't charge.
LiTime support does not recommend battery heaters, stating you might melt the battery case. They did say to purchase their 'Heated' batteries if you will be placing these in service where temps will go below 30 degrees fahrenheit@@HOBOTECH
Wow! Once again, learned something new! Thanks !
Comprehensive review ! I learned a lot, thanks.
So why would a tesla powerwall costing around 10k without install be better than just getting 4 of these?
The tesla powerwall has inverters , timers for when to charge and when to feed to your house and UL certification.
I have a question. There is a brand that looks exactly like the one you are demonstrating called Wingda it’s a LiFePO4 230 AH. Have you heard of this brand I can’t find anything on it. I’m trying to decide if it’s a quality battery. Is Renogy a good quality battery. If you had to pick which one would you choose. Thanks for your help.
Many look the same. Simply get what has good reviews with a good warranty.
Have you ever heard of that brand
open up battery so we can see build quality - Thanks
Unnecessary. Li Time / Ampere Time has been torn apart 100 times on RUclips. It's always high quality stuff. I plan to donate this battery so another reason not to destroy it.
Nice video brother thanks for explaining.......and one question can charge with 500 Watts solar panel??
LiFePO4 do have one Achilles' heel, that is keeping them fully charged long term.
What u talking bout?
I would think I could charge it maybe 2-4 times a year for home use
EXPLAIN please
Another misinformed person. There are no issues keeping them charged long term. I have ones sitting for 2 years that only lost 5% charge.
that's awesome! love your vids especially the CIGS panel shooting target lol@@HOBOTECH
The raw cells can sit for years without appreciable self discharge. The BMS, however, does have a vampire draw so the actual discharge rate depends on the BMS more than it depends on the cells. That said, most LiFepO4 batteries can be shelved and you really only need to check your shelved batteries twice a year to protect your investment. Shelved batteries generally only need to be recharged once a year or so. Again to protect the investment, not necessarily because they actually need to be recharged.
Charge the battery to full. Take off the top 1% with a load (I just throw a PTC heater on the battery for a minute or two), then put it on a shelf at 99% SOC. That's how you do it. Some people try to outsmart the battery and only charge it to 50% but that's silly... the cells still self discharge and letting the battery run below minimums will destroy the cells while the stress from a high charge state at the time of shelving won't do buckus compared to normal calendar aging.
I tried to buy a couple of the 230ah batteries, they would not honor your discount code.
Works just fine on 2x230Ah...
Subtotal
$1,227.58
Order discount
HOBO6
− $73.66
Not too long ago, the race was to get a lithium battery to fall below $1.00 per watt. Wow.
I Currently have 17 panels on a 5300k inverter installed about 7 years ago, Looking to add a battery Off Grid supply for Night time usage, not just for back up, I have been shopping to find the best option and also think maybe doing an Off Grid Supply separately from my on grid if possible I have been Eyeing the Signature solars "Complete Off-Grid Solar Kit EG4 6000XP | 8000W PV Input | 6000W Output | 48V 120/240V Split Phase + 6400 Watts of Solar PV [KIT-E0008]" now I'm wondering what if any difference in these Batteries have from these you describe here, when you say 4 of these will power a home for 2 days ? (I'm sure that what we all have running during night use matters a lot) and you're opinion on if that would be the way to go or if you would suggest something else that might be maybe cheaper or better for around the same amount.
this looks very similar to the iqueen which i have. the terminals, the case, the terminal caps. Very weird. I like that for the same weight it has over 10% more capacity. Also more cycles supposedly. I think my power queen will last me over 10 years, same as this one. Technology is great. i would love to donate mine in 5 years if i can afford a replacement that would have 2x the power (400am / 25 lbs). Incredible. Only thing i miss is low temp cutoff, which this has. My controllers can't be shut off by low temp sensing and we hit 5 degrees below zero this year. If i get a new controller i will see if i can get one with low temp cutoff. Any ideas on a low cutoff solar controller? My renogy has a temp sensor but only for high temp. The other similarity is this Litime and my power queen are both marketed as a Lead Acid "drop in" - to be compatible with just disconnecting a LAcid and just dropping this in. i have Li and LAcid chargers so not a problem, but interesting, for old RV systems? Ty.
I have the smaller one and like it too 👍
On board a boat, it is not unusual to have a dynamo that delivers up to 200-250A @ 12v.. In fact, I know several people who have mounted 2 of them on the engine in their sailboat... Personally, I run 24V and regularly charge with 200A+.
QUESTION: nickel iron batteries are mostly used for solar homes but large and heavy. Why aren’t smaller nickel iron batteries made for smaller applications?
I've been waiting patiently for a single battery replacement for 2 6v Trojan T-105 lead acids. I have those in a box on the tongue of my pop up. Not wanting to replace/redrill the box mounts to replace the Trojans, I've wanted a non Battleborn GC2 sized battery. But I also wanted a low temp discharge protection. FINALLY Litime made one. The size of this is slightly smaller than the two Trojan's side by side so this will drop into the battery box with only needing some spacers inside the box to keep it from moving around. The $600 price point verus $1800 or so for 200 aH of Battleborn helps a ton too.
Hey Hobo Tech. I was thinking. How hard would it be to purchase say an AC200 or any midsize solar generator, and a few of these batteries. Setting it up to when it's plugged in or solar. It would charge a couple of these and IF I lost power I could feed this energy BACK INTO the midsize Solar Generator? In other words, instead of using the add on batteries some of these company's sell, could I make MY OWN extra battery that can be used with ANY device?
I bought one on the black friday sale... I am using it for boondocking in the desert... My old lead acid battery wasn't doing the job running my rv furnace all night (it actually was, but it was going down to 50%)... So I swapped it out... It allows me to keep my solar panels and solar charger hooker up 24/7 and not have to worry about a cold mourning freeze (battery charging below freezing)... And with 230amhr lots of power even if we get a two or three day cloudy/rain event...
I am jealous that your discount was better than mine.. 😎 ❤😮
About to replace the “run it’s course” lead acid battery in my fifth wheel. Thinking of going with this 230ah battery but will need it to crank the onan 5500 watt generator. It’s a small motor compared to automotive cranking as mentioned in this video but still not sure if it’ll be an issue… does anyone have experience with this scenario??? Only boondock twice a year for a couple nights at a time while relocating to new contracts (full time Rv’er)
I started my Onan for years on a single 100ah lithium. It will do it no sweat. The starter motor on those are tiny.
@@HOBOTECH thanks!! Good to have piece of mind before spending $600 to find out I need more. Also.. talk about a fast response time! Keep the great videos rolling!
There is still on place where FLA batteries shine, starting your car at -15 F, but that's a pretty limited case. Other than that LiFePo rocks. Keep the good stuff coming.
I have (2) 12v 140 amp high output alternators on our sailing Catamaran with 2/0 cables. I can only pump 200amp into the batteries we have now (100amp each) so, have to limit the alts. These sounds interesting :-)
just bought LiFePO4 12V 280Ah Lithium Iron Phosphate Battery for under $800 CDN from Eco Worthy, have a Xantrex 1800 HF for the heart of the charging/inverting system ... nothing hooked up yet ... just getting the parts together
but ... i did buy a LiFePo4 battery for my 1600 cc motorcycle the other day, works great for starting.
I'd wager that a year from now it will have its own built in heater and be closer to .15/Whr. That's perfect because I have that long to come up with justification for another Lipo4 battery purchase to my DW.
Must be cold where you live, you keep freezing on my TV screen, not sure if it's you or the RUclips video.
Probably ur internet, I'm watching on phone just fine
😆
BMS: "Someting is not right I'm going to have to stop accepting charge right now."
Conventional Alternator: "I'm going to sit here burn myself out now."
I like this one but does anyone make a portable battery box for this size
I just ordered this battery for camping running a microwave and small fridge. Going to charge it with 200 watts of solar. Is there any reason to be worried sleeping with this battery beside my head?
Hi was just watching your video very good by the way!! And was wondering if it's best to use two 12v/100 amp hr batteries to power 12v/3000 watt inverter or one of these 230 amp hr any thoughts cause the class c RV has a small battery box with two group 27 in it just wondering what's best thanks
Depends on your needs. 230ah is obviously more than 200ah.
@@HOBOTECH your normal small appliances, coffee maker 900w, toaster 750w, microwave 1200w, fridge 2.7 amps on propane?
Actually fridge is 324 watts 120x2.7 amps
Hybrid cars don't use their 12v battery for starting the engine, so a LiFePO4 battery would fit fine in any of them.
Thanks for this review, I’ll be using these for my Main Housebank Battery set on my next Sailboat, to test 4 in parallel to see just how long of a Service Life I can get out of them. Still Boat hunting though so probably will miss all the current offers. 🤣🤣🤣
Great video. I like you unique approach to reviewing and testing this battery. Would like to see a tear down if you're able.
Check out Will Prouse he does tear down and full reviews if he has done a review and tear down he'll tell how good the quality is and any flaws
🤔@@douglaswindsor120
Thanks for the QR code - I often fall asleep with the TV streaming and instead of fumbling to my watch history or searching for the video, I could scan the QR code lol
Less than a year ago, everyone was pushing Battle Born, now it's Big Beard. What happened?
O D I N !!!!! 😺
Yes lead acid batteries can and do explode I've had 2 do just that 1 was my own lack of knowledge I was trying out a starter and the high discharge and spark was all it took had to go to my doctor to remove a peice of plastic embedded in my hand the other changed how I give boost I'f at all I hook up both ends myself I asked I'f red was positive he said yes he was wrong and I needed a new battery and had to find baking soda as soon as possible fortunately there was a restaurant nearby interesting that garages that work with batteries don't and don't have eye wash bottles either
What lithium ion po4 battery can I use for double duty? One battery to start the motor and run the trolling motor.
I haven’t thought about Radiskull in ages. Stumbled on this video and saw Devil Doll and got a bit of nostalgia.
Why don you have to do that in the begining!! Autoplay scared the shit out of me.
To be a complete review open up the case 👍 ..and how to be ok for outdoor if is not able to be charged below 0? 🤥
Great Video. I'm going to measure my battery compartment in my 5th wheel to see if this will fit. I think it will fit, since I have two lead acid batteries in there now. The low temp protection is very important for us, as we live in KS and it gets cold here. We don't normally camp in the winter, but do in the spring time, and can sometimes see upper 20's at night. Great video as always!!
Kent
Impressive, thanks for another great video!✌️
Can this be used as a second battery in a SUV/truck? Is there a better option?
Just ordered one using your promo code. Thanks!
Thanks Hobotech
There needs to be some kind of charge controller that will allow each battery to get down to less than 20% before charging it back to over 80%. Typical solar just pumps charge into it during the day, and then drains the things during the night, and it may or may not ever reach those ideal levels. Also, using your LIFEPO to maintain your lead acid at 100% would be brilliant.
You can simply undervolt your charge controller to get it to slow charging around 80%. When RV is in storage, I set it to 13.6v and it holds 80-85% with the fridge on.
New to this. Just bought a 200 amp power queen battery . Can I buy this and use them together. The power queen is brand new
You can't mix and match sizes!
If they are both 12.8V (4s) LiFePO4, you can put them in parallel even though they are different sizes. They will charge and discharge in proportion to their capacities, roughly. There will be a SOC offset while charging and discharging that will develop in the middle of the SOC range, but disappear at the ends (near 0% or near 100%). So it basically works fine. You CANNOT put them in series when they are different sizes, however.
Because of the SOC offset, the two batteries will wear at slightly different rates, but still be fairly close. You run with what you have. So it isn't ideal, it is always better to just use the same brand, but you probably wouldn't notice any differences in wear until you get past year 10 of regularly daily cycling.
Two different sizes will run different voltages as they discharge putting stress on the cells of both batteries. It's never recommended to mix sizes or ages for this reason.
@@HOBOTECH No, they won't. When placed in parallel as long as the internal series count is the same and the chemistry is the same (i.e. same voltage battery), there will be no additional stress on either battery. The current will be split approximately proportionally such that the voltages remain the same as they discharge (or charge).
For example, if you parallel a 100Ah and a 200Ah battery together, 1/3 of the current will go to/from the 100Ah battery and 2/3rds from the 200Ah battery.
Due to differences in the internal resistance of the cells, an SOC offset will develop between the batteries in the middle of the discharge curve. This offset will be less than 10% and it disappears on either end of the curve (there will be no offset at 0% or 100%).
You do normally want to limit charging and discharging currents to the capabilities of the worst battery, of course, just as you have to do with any parallel configuration of two batteries without BMS comms.
This means, in general, that it doesn't make sense to parallel hugely different capacities... like 20Ah and 200Ah. But paralleling things like 100Ah vs 200Ah is just fine as long as currents are limited to 100A under normal operation. So paralleling 200Ah with 230Ah is a total non-problem.
A 2-pack will be here Friday .I woulda used your code.
Nice price
So...is there a good video or explanation of how to integrate these into an older RV? Im seeing battery companies advertising their LiFePo4's for things such as lawn tractors. But those are (or were) all designed for SLA's, and are starting batteries.
Would love to see a video on how to implement LiFePo4's in place of SLA's that covers things like charging and so on. Because as i see it, you'd end up having to somehow bypass the charging mechanisms that are integral to the RV or tractor or whatever.
I have one from the summer talking about installing drop ins in my RV. It's Power Queen video.
well said
Just received my exact battery that your testing x2. Instructions recommend 46a max charge. With a 5 yr warranty will charging above the 46a void my warranty ? 😅
No
I have a victron 100/30 solar charger and 1200 watt inverter in my truck camper, am I good with this battery?
Yep
I am upgrading my 12 volt, 17 year old DIY (replacing my 9 year old 2nd set of lead acid golf cart batteries) solar system to 48 volt LiFePo and adding capacity for EV charging using this battery. Have had one for testing and it has performed well to my expectations. One little light battery runs my freezer and refrigerator without worry. Will be buying more of these. My fellow Tucsonan Hobo Tech will not lead you astray; my go to source for DIY solar along with Will Prouse for over three years. Ty hobo.
Could this type of battery be used to replace a sump pump back up battery? Currently a 120ah lead acid battery in place. There is a current charging system with the sump pump, Do I need a different charging system
Depends on the load of the pump. You can't exceed 400A for 1 second with this battery. Try it and see. No new charger needed.
just tryed to buy 4 but they dont except discover
I recently purchased two of these. What size inverter would you recommend ? Thank you.
Get whatever size you need gohobo.io/sgp code HOBOTECH or HOBOTECH10
So which is better... LI Time or Redodo?
Since I am ignorant when it comes to these types of batteries, I need to ask this question:
I currently have a deep cycle battery on the front of my RV (Travel trailer), I believe it is a 12 volt (Since there is only one of them). It runs things like the slide outs, lights and fans, and other goodies that you know of as you are an RVer too.
I do not have solar. (I did purchase a Solarsaga 60 to recharge my Explorer 500 - I also bought a solar controller too to charge the RV battery - but have not had to use it yet)
Can I replace the current 12 volt deep cycle with this battery?
Would it be worth the cost to do this?
Yes
Yes plug compatible. However you need to know if your charger is compatible with LiFePo battery.
Yes that's what "drop in lead acid replacement" means.
Yes, and also No. The batteries might be voltage compatible but if the RV is capable of charging the battery bank via an alternator you need to review the alternator specs to ensure that the alternator can actually handle it. Lithium batteries will accept full power from the alternator across the entire charging curve. Lead-acid batteries do not.
Many people who have blindly replaced their lead with lithium have found themselves with a burned-out alternator a month or two later.
The second issue is that lithium batteries are expensive relative to lead. Even though drop-in replacements can be charged with lead voltages (at least up to a point), it isn't ideal and will put unnecessary stress on the lithium cells. It takes a very special BMS configuration to be a true drop-in replacement and none of these cheap brands do it properly.
So generally speaking when replacing lead with lithium you want ALL charging sources to be able to output a proper charging profile for the lithium to protect your expensive investment.
-Matt
OP states they have a travel trailer which doesn't provide alternator charging. Literally any lead acid charger capable of 14.4v will charge all of these drop in replacement LFP's just fine if not slower. It doesn't take any kind of "special BMS". I've been running all kinds of LFP batteries for over 5 years without issue using basic 14.4v chargers, solar, and direct alternator charging in a 30 year old van as well as in a brand new RV.
As for how "expensive" it is, a Walmart 100ah deep cycle costs $99 and has 50ah usable and lasts 400 cycles. To match the same amount of usable power as this 230ah LFP using lead acid costs $500 (4.6 of those Walmart batteries). This battery costs under $600 and will last 4000 cycles or 10x as long for a fraction of the weight (saving fuel). So for only $100 more you're getting 10 times the cycle life with a 5 year warranty. This is the crossroads I refer to in the video. It no longer makes sense to use lead acid at all in house batteries.
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