Jkbms Smart Bms 4s-8s 200a 1a Active Balance Build-in Bluetooth With Rs485 Pcb Battery Protection Board For Lifepo4 Li-ion Lto Battery Pack（jk-b1a8s20p） 2W 250 Ohm Resistor Arduino RC522 RFID Door Unlock

Arduino RC522 RFID Door Unlock

It contains everything needed to support the microcontroller

making it a dependable choice for automotive powertrain systems

Outdoor use during camping

Good for beginners who want to make stuff move without building a motor controller with feedback & gearbox

Jkbms Smart Bms 4s-8s 200a 1a Active Balance Build-in Bluetooth With Rs485 Pcb Battery Protection Board For Lifepo4 Li-ion Lto Battery Pack（jk-b1a8s20p） 2W 250 Ohm Resistor Arduino RC522 RFID Door UnlockAbout this item Enhanced Safety: Safeguard your battery with protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. JKBMS Active Equalization extends battery life and enhances performance Easy Connection: Effortlessly manage your battery with JK BMS mobile app for Android and iOS. Bluetooth connectivity allows you to monitor status, adjust settings, and control charging discharging from your device