XH-M601 battery automatic charging control board 12V charger power module

Description: Name: 12V Charger Power Control Board Supply Voltage: 13.8V~14.8V Relay Closing Voltage: 12.4V Relay Opening Voltage: 14.8V Voltage Error: ±0.1V Voltage Detection Way: DC Voltmeter Battery Charger Type: 12V Storage Battery Potentiometer Adjustment: RP1 RP2 (pls be more carefully) Board Size: 50mm x 32mm x 18mm (L*W*H) Note: Just Charger Power Control Board, Not included Storage battery and voltmeter. Package Included: 1PC*XH-M601 Battery Automatic Charging Control Board 12V Charger Power Supply Module