DALY Smart BMS 4S-16S 40A-500A with WiFi Module and CAN 485 Communication Protection Board for LifePO4 Lithium Battery Pack (Smart BMS 4S 12V40A)

Enhanced Battery Safety: Daly 12V BMS 4S offers protection against overcharging, overdischarging, overcurrent, short circuits and extreme temperature, ensuring the safety and longevity of your battery pack.
^^ 2-in-1 Bluetooth/Wi-Fi Dongle: Easily connect with the app via Bluetooth, or switch to Wi-Fi for long-distance control when Bluetooth is out of range (requires connection to a Wi-Fi router). Remotely monitor battery status and adjust parameters via the mobile app or PC software whether you're at home, traveling, or operating a trolling motor. ^^ Remotely monitor battery status and adjust parameters via the mobile app or PC software whether you're at home, traveling, or operating a trolling motor. ^^ The built-in parallel circuit of Daly BMS can support the parallel use of battery packs and 485/CAN Bus parallel communication, which is suitable for mainstream inverters on the market. ^^ 3 Years Warranty.
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). Easy to install, everything you need for setup and operation. ISO/FCC/RoHS/PSE/CE APPROVED.