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I recently got a call from a friend that was building a small 12v battery and was having issues with getting it to work. There were a variety of issues that I helped him fix, but I noticed that he’d purchased bolts for his cell bus bars and hadn’t used studs with nuts. The bolts he was using...

I have a JBD 4S 200 amp BMS (JBD-SP04S034-L4S-200A-H) that I recently installed as a replacement for a similar JBD 100 amp BMS because I was having issues in the winter when running my generator and charging and then having the sun come out and boost up the charge from my solar panels, tripping...

I just received a Jiabaida SP04S034 BMS with heat control, Bluetooth, and a few other options. I downloaded the factory spec sheet so I could better understand when the heat element attachment port gets triggered. The factory manual shows the following… This makes no sense to me. My...

I have an off-grid set up using a few solar panels (630 watts), a custom built LiFePO4 battery with JBD BMS, a Renogy MPPT charge controller, and a AIMS PICOGLF25W12V120AL inverter/charger. The AIMS is powering a chest freezer and a few other small A/C based items. The problem I’m trying to...

There a now many options for all-in-one controllers available; Growatt, EG4, etc. But is seems like all of them are designed to be used most effectively with the manufacturers own prebuilt LiFePO4 rack mount batteries with their own communication set up between their products. If you’re in the...

I’ve been running the XiaoxiangBMS software for about a year and today, for the first time, I had to run my generator to charge my battery bank (LiFePO4, 2P4S, 560ah using Eve LF280 cells). I’m using a Shenzhen E-Fire LFP-412120-COMM BMS (4S 120A), and Lilly Chan, their support person said the...

Well, today I finished building out and installing the first battery built out of my recent order of 20 cells (Eve, 280 AH, LiFePO4) from Shenzhen Basen Tech. The battery is configured as a 2P4S 12v nominal 560 amp hour battery using a 120 amp CLRD LFP-412120-COMM BMS ordered from Shenzhen...