BeerBrewer said:
I know from a cost perspective that it's cheaper to put together your own LiFePO4 battery than buy one ready made, but I'm wonering which is more reliable? Assuming that I purchase Grade a cells and good quality BMS.
I've looked at Battle Born, SOK, LiTime, Lion Energy and others. All of which have some sort warranty, some have 10 year, some 5 year, some less. I haven't read all of the warranty documents, but I have read a few. So far everyone I've read says that they will fix or replace the battery at their descretion. Which means that they get to decide if they want to honor their warranty or not. I guess this makes sense because a perfectly good battery can be ruined if connected wrong or treated improperly. What surprised me however was that none of the warrantees covered shipping costs or any of thee damage done in shipping. So it is possible that you could spend more on shipping than the battery is worth, except possibly with a Battle Born. They are still crazy expensive and frankly not in consideration, even though they come with a 10 year warranty. For instance a 12V LiTime 100AH with low temp protection is now selling for $279.99. I can't imagine with it would cost to ship it back and forth to China for repair, but its got to more than $279.99. So in my opinion, the LiTime warranty is basically worthless.
So how reliable are these batteries? Is a DIY LiFePO4 (using grade A cells and good BMS) more reliable than store bought?
You will get efficient and thoughtful service from Fivepower.
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If you purchase a battery because it has a warranty, then I hope you value your money more than time.
Even &#;good&#; warranties usually involve considerable amounts of your time and energy and money.
But there are exceptions.
For example, I learned recently that the guy who sells the Overkill BMS will replace it for any reason. Even if you make a rookie error and fry it by connecting the positive and negative leads backwards. I believe he&#;ll simply send you a new one, no need to ship the fried one back.
There was a recent thread on here that demonstrated what looks like Battleborn weaseling their way out of replacing some batteries under warranty. The batteries have a manufacturing defect and the Battleborn warranty was apparently written by weasle like lawyers that gives Battleborn a way out of warranty service for defects made at the factory. In part because of this, Will Prowse has removed Battleborn from his list of recommended lithium batteries.
Build your own and not only will you learn something, you&#;ll never have to deal with lame companies that would make your hair turn gray if you tried to get warranty service. And buy an Overkill BMS.
IMO, after a ton of research, I found the Powerurus brand to be the best bang for the buck for a premade battery. It&#;s one of the few Will recommends on his website. I have not had to get mine warrantied, but the customer service has been some of the best I&#;ve had with any company I&#;ve ever dealt with. They STILL continue to answer all my post sale questions, usually within 24-48 hours. I paid $730 for 12v 200Ah with 200A BMS, free shipping, free 10a charger, no tax. Will has a good review of the 100Ah model. Powerurus are made by Roypow, which has a good long reputation in the lithium battery world. The BMS is even made by them and has Bluetooth, low and high temperature protection, no self heating though but I can add my own if I ever need that.
If you purchase a battery because it has a warranty, then I hope you value your money more than time.Even &#;good&#; warranties usually involve considerable amounts of your time and energy and money.But there are exceptions.For example, I learned recently that the guy who sells the Overkill BMS will replace it for any reason. Even if you make a rookie error and fry it by connecting the positive and negative leads backwards. I believe he&#;ll simply send you a new one, no need to ship the fried one back.There was a recent thread on here that demonstrated what looks like Battleborn weaseling their way out of replacing some batteries under warranty. The batteries have a manufacturing defect and the Battleborn warranty was apparently written by weasle like lawyers that gives Battleborn a way out of warranty service for defects made at the factory. In part because of this, Will Prowse has removed Battleborn from his list of recommended lithium batteries.Build your own and not only will you learn something, you&#;ll never have to deal with lame companies that would make your hair turn gray if you tried to get warranty service. And buy an Overkill BMS.IMO, after a ton of research, I found the Powerurus brand to be the best bang for the buck for a premade battery. It&#;s one of the few Will recommends on his website. I have not had to get mine warrantied, but the customer service has been some of the best I&#;ve had with any company I&#;ve ever dealt with. They STILL continue to answer all my post sale questions, usually within 24-48 hours. I paid $730 for 12v 200Ah with 200A BMS, free shipping, free 10a charger, no tax. Will has a good review of the 100Ah model. Powerurus are made by Roypow, which has a good long reputation in the lithium battery world. The BMS is even made by them and has Bluetooth, low and high temperature protection, no self heating though but I can add my own if I ever need that.
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