YINETTECH 2x Battery Charging Control Module XH M603 Power Converters 12 24V Charge Protection Board With LED Display 20A

Input voltage: DC 10-30V; Control current: max 20A; Control precision: 0.1V; Output type: direct output; Voltage tolerance: ±0.1V; Application fields: 12-24V storage battery. Applications: Connect a DC input voltage source (up to 30V) like a solar panel, DC power supply, or battery charger to the input. The output supports lead-acid, lithium-ion, polymer, nickel-cadmium, and nickel-metal hydride batteries. Set Starting Voltage: In normal display mode, press the button to view the starting charging voltage. Long press for 3 seconds to make the digital display flash, then use the button to set your desired starting voltage. Set Stop Voltage: In normal display mode, press the button to view the charging voltage. Long press for 3 seconds to make the display flash, then adjust the stop voltage using the button. Factory Reset: Press the start/stop button while powered on; the display will show "888," indicating that the factory reset has been initiated.