A BMS for Valence XP batteries, designed to run on Arduino or similar hardware. - seb303/Arduino-XP-BMS ...

Here is an universal 1S to 4S BMS charger/tester either for Li-ion or LifePo4 cells buit arround an Arduino Uno - philippedc/Li-ion-LifePo4-BMS-charger-tester-for-Arduino-Uno ...