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I built a 12v four-cell (280Ah) battery for my RV, and when I use the RV it is mostly connected to 120v shore power, but boondock every now and then between destinations. It currently has a charger designed for lead acid, and so the LiFePO4 battery never fully charges (charger float trickle...

I went to install and run the Android Xiaoxiang app for the first time and I received a pop up asking me for permission for the app to get my phone's GPS location. I declined since I can't fathom a reason the BMS app needs that information. The Overkill BMS shows up in my phone's Bluetooth...

When deciding on wire sizing, do you add the charging current from the load current? For example, let's say you have 50 amps going to an inverter from a battery bank, and 50 amps DC going directly to DC electronics, but you're getting 50 amps from a solar charge controller, then what amperage...

RV application. Currently I have a 280ah 12v battery and 120a Overkill bms, as well as a WFCO "power center" that distributes AC and DC power, along with breakers. I want to be able to grow the system in the future, so I'm planning to buy a 3000 watt inverter, and later build another 12v 280ah...

I just assembled a battery box with some inspiration from the forum. This is intended to go in a vehicle application. Here's a picture of it outside of its shell: The cells are separated by felt purchased from an arts and crafts store. The cells are being compressed by 1 inch pine wood pulled...

I remember seeing in one of Will's videos him implying that if you are getting new cells with matched capacities, and are using a decent BMS, and you test that the batteries perform at their rated capacity, that you're not really getting much out of a top-balance. Maybe I misunderstood, because...