Feature:1. For 1224V Battery: Universal digital display battery charging control board, suitable for 1224V various storage batteries, extending battery life.2. Control On and Off: The main board controls one of the wires of the charger through a relay to achieve the function of controlling the charger output on and off.3. Multiple Functions: With full automatic power off, automatic charging when power is lost, and real time voltage monitoring functions.4. Memory Value Setting: Support memorizing the set value, automatically keep after setting, no need to set again.5. High Performance: 1.6mm thick double layer circuit board, RF4 dense glass fiber material, has high mechanical strength and high dielectric performance.6. Fine Production: The layout of the circuit board is beautiful, and the chip technology is adopted, and each plugin is professionally welded.Specification:Item Type: Charging Control ModuleProduct Model: HCW-M632Input Voltage: DC10-30VControl Current: 20A maximumControl Accuracy: 0.1VOutput Type: Direct outputVoltage Error: 0.1VApplication: 12-24V various storage batteriesProduct Size: Approx. 82 x 58 x 18mm / 3.2 x 2.3 x 0.7in.Package List:1 x Charging Control ModuleNote:This module must be connected to the battery to work normally, otherwise the screen will not display.