Smart BMS 4S-16S 40A-500A with WiFi Module and CAN 485 Communication Protection Board for LifePO4 Lithium Battery Pack (Smart BMS 4S 12V,40A)

Enhanced Battery Safety: The 12V BMS 4S provides protection from overcharging, overdischarging, overcurrent, short circuits, and extreme temperatures, safeguarding the safety and durability of your battery pack. 2-in-1 Bluetooth/Wi-Fi Dongle: Connect conveniently with the app via Bluetooth, or change to Wi-Fi for remote control over long distances when Bluetooth is not in range (needs connection to a Wi-Fi router). Remotely check battery status and modify parameters using the mobile app or PC software whether you are at home, on a trip, or running a trolling motor. The integrated parallel circuit of this BMS enables the parallel use of battery packs and 485/CAN Bus parallel communication, making it compatible with mainstream inverters on the market. Packing List: 4S 12V 40 amp Smart BMS (x1), B-P-Output Line (x1), 2-in-1 BT/Wi-Fi Dongle (x1), Sampling Cable (x1), NTC (x1), CAN/485 5-pin (x1), Manual (x1). Simple to install, contains all items required for setup and operation. Certified to ISO, FCC, RoHS, PSE, and CE standards