Battery module: Standard module composed of detachable connectors for single series parallel connection of lithium iron phosphate batteries.

　　Temperature control module: With heating and insulation function, it can meet the usage requirements of batteries under extreme environmental conditions (such as -55 ℃).

　　Security protection module: monitors the operation status of the battery, sends out alarm signals or disconnects the circuit, such as overcharging, over discharging, over current and other abnormal situations.

　　SOC calculation module: Accurately calculate the battery charging status through display lights or numerical methods, making it convenient for users to understand the battery charging status.

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