LiFePO4 Battery Management Systems (BMS)

 If you want to know how to build your own battery, check out this page: Click Here
If you need raw LiFePO4 Cells: Click Here
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Overkill Solar Pathfinder 12/24/48V BMS

Overkill solar is the king when it comes to BMS for DIY lifepo4 batteries. I was recommending their older bms for years, but they stopped selling them and have released this BMS instead. It has everything you need and is incredibly versatile. 
  • Rated for 170A.
    If using for 12V, max wattage output is 2,176W
    If using with 48V, max wattage output is 8,704W
  • Rated for 100% duty cycle. Run 170A 24/7 without overheating.
  • Advanced user interface with a built-in OLED display, user input buttons, Bluetooth and WIFI connectivity, OTA & UF2 firmware updates, MQTT for Home Assistant, and status LEDs.
  • Use any chemistry! Lifepo4, LTO or NMC, whatever you wish!


Click here to buy from Overkill Solar (American distributor with customer support)

How To Wire It Up for 12V

How To Wire It Up for 48V