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Today I will be starting a new build for my van and thought I would start a build series thread for anyone doing the same thing or who might have an interest. The core components are: 16 Eve 310AH cells (the claim is they are grade A, they all tested at 320+ah) Nation's 280xp dual alternator...

Hello everyone, I received my 16 304ah Eves today and are now looking at the best way to connect them in a 4p4s configuration. Below is the arrangement I am looking at, but I am also thinking about just a long single row so I can mount then aside my vans walls. I read a few post about using...

Hello all, I have decided to upgrade my battery bank and need a little help from the smart people on this forum. I previously built 4s2p 272ah Lishen cells (544ah) managed with JDB's bms.. The system is charged with an Orion 30amp dc to dc charger and 400watts of solar.... and when I want to...

I currently have two packs of 272ah lishen cells and are running into a issue. When the BMS goes above 268ah the voltage difference starts to spike. Under 268ah my cells are balance between .003 to sometime .006 volts. Once the AH goes above 268Ah it starts to spike, a lot... by the time the BMS...

I have a question I hoped everyone could help with about SOC. I found a chart on the forum that displayed Lifepo4 SOC, but it contradicts what my BMS says so I hoped for clarity. We had no sun today in Colorado and my batteries voltage is 13.1 to 13.09 when my heater kicks on. The SOC chart on...

Today I keep getting weird results with the app and need advise. When I open the app sometime it keeps asking for a password and in the past it did not. I found the password should be 123456 but it just keeps looping. When the app does open I can see the ip6 address for both battery packs, but...

I ordered 8 Eve cells from Basen and wanted to provide feedback so other members are aware of the events. First I ordered Eve and was told after shipping they were sending Lishen, they made this election without asking me. Second, they did refund a small portion for the cells price difference...

Hello everyone, I am beginning to mature a new battery/charging system for my van and will document the process with a hope for feedback from members and to help any new members, such as myself with their endeavors. Batteries: 8 Lishen 272ah cells BMS: 2 JBD 120amp Solar: 400 watts MTTP...

Please don't flame me :) I am about to top balance my first cell and wonder, which terminal is the positive? I read the only Lishen battery PDF I found and it did not say which is positive or negative.. Sorry for my ignorance

I have 4 100watt renogy solar panels on my roof and have been using them without a breaker box between the panels and the charge controller. I recently saw a few people installing breaker boxes between the panels and the charge controller. Does anyone know what size 2 pole breaker I should get...

I order 8 280 eve battery's but they unannounced to me sent 8 272 lishen (little rant on the unsolicited switch by the vendor). I order two jbd-sp04s020 bms to manage the system. I found a diagram for wiring the bms to 4 cells but have not been successful in finding a video or instructions on...

I currently have 400watts on the roof of my sprinter with 250ah AGMs. I recently purchased 8 280ah lifepo4 cells and will be configuring them as 560ah at 12volts. My question is related to 400watts of solar having the ability to charge 560ah lifepo4 battery bank. I live in Colorado and we...

I would like to purchase 280Ah battery packs from aliexpress for a DIY 560Ah battery system at 12volts for my campervan. When I search Aliexpress I find 280Ah with a plethora of listings, some saying prismatic, some saying for Solar Ev....all with different prices and sellers...I am hoping for...