Note This item can work with 4S Feature Overcharge protection Prevent overcharge and affect battery lifeShort circuit protection Automatic protection during abnormal short circuit to prevent damage to the protection board and batteryShort circuit protection Automatic protection during abnormal short circuit to prevent damage to the protection board and batteryOver discharge protection Prevent the battery from being dead and affect the battery lifeOver current protection Prevent current from exceeding the battery s tolerance causing battery damageDrop out protection Prevent the cable from being dropped or the contact is poor and the battery loses protectionOver temperature protection Prevent the battery temperature from becoming too high causing spontaneous combustion or damagInstructions https github com NEEY electronic JK tree JK BMSBMS protocol https github com syssi esphome jk bmsVenusOS driver https github com Louisvdw dbus serialbatteryNOTE BMS with current of 600A requires customers to purchase relays by themselvesNOTE ① CANBUS interface if you need CAN function buy the JK xxxxCAN version ② RS485 interface At present all JK BMS are configured with RS485 function by default it needs to be implemented through the external support module ③ LCD interface Please check whether BMS has LCD interface before purchasing If there is no interface LCD cannot be used ④ Heat Function interface At present the heating function customized by customers can be accepted MO