Specification: Name: Battery Charge Control Module Control Voltage: 6-60V Control Current: ≤10A Control accuracy: 0.1V Voltage Deviation: ±0.1V Application: various storage batteries and lithium batteries Size: Approx. 7*4.8*1.7cm / 2.8*1.9*0.7inch Weight: 33g Voltage set method: In the state of normal stage(digital tube flash) Starting key can turn up the voltage. Stopping key can turn down the voltage. Set starting voltage: In the common state of normal voltage display, press the starting key, display the charging starting value voltage. Long press the starting key until the digital tube flash. Set the charging starting voltage value by starting key and stopping key. Set stopping voltage: In the common state of normal voltage display, press the stopping key, display the charging stopping voltage. Long press the stopping key until the digital tube flash. Set the charging stopping voltage value by starting key and stopping key. Resetting: In the common state of power-on, press the starting key and stopping key simultaneously, digital tube display 888, resetting is successfully completed. Settings: When the starting value can not be added, please adjust the stop value. Package Included: 1 x Charge Control Module