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Hi everyone, I just received a batch of 280Ah cells The seller assures me that these are grade A, tested at 306Ah, EVE LF280K new version, but... Here's what I discovered! Your opinion ?

Hello guys, in the last batch of EVE230Ah cells, i have a problem with one cells. As always, i started a top balancing (PowerPaulAustralia method, charge with the BMS to 3,6V with the 5A active balancer) Before the top balance the cell was perfect, same as the other cells, and after the charging...

Hi guys, I need your opinion please I am testing a 12V230Ah battery with a JK-BMS (B2A8S20P). I discharge with a total current of 169A (125A through a victron Phoenix inverter + 45A through a DCDC to another battery) The MOSFET temperature reaches 86.3°C (187.34°F) I find it high, knowing that...

Hi, I received this week a new batch of 20 EVE Lf280k cells from Qishou, - 4 cells have terminals with corrosion and :oops: - 5 cells have weird safety winds. :rolleyes: I would like to have your opinion on these 2 problems please ? on the photos bellow, i show you "normal" teminal and the 4...

Hi, i received my SEPLOS MASON DIY unit 592usd + 267usd DPD shipping to France (Total = 859usd) The parcel was not correctly protected, and here how it comes !!! Some of you guys ever had this problem ? How you solved it ? Thanks for your help Jerry propose a discount for a next order, but...

I want to share something with you guy, maybe you can help me ? i bought 2 JK-BMS (B2A8S20P) at first both worked perfectly, and with no reason one stop working ! :( I have 4cells (in serie) each cell is 3,335V the voltage between this 4S string is 13,34V voltage between + 4cells and B- (BMS)...

I just ordered 16 pieces of EVE LF105 Amy sent me the data for each cells, I'm looking for more information about MANUFACTURE DATE, does anyone know the signification of B1M or B1J or B1L (see attached picture please) Thanks a lot ? (i ever asked Amy, but while i'm waiting for her answer, i...

First at all, thanks for being indulgent with my english ;)? I want to build a 12V 200Ah battery i need an advice, is it a real problem to assembly 4 lishen 202AH with different capacity ( from 198Ah to 21 AH) thanks for your opinion