ITEM NAME:1pcs XH-M603 DC 12-24V Charging Control Module Storage Lithium Battery Charger Descriptio n Description: Using Method: 1.Set Starting Voltage:in normal display voltage state,press the button will display start charging voltage;long press for 3s the digital tube will flash;you can start or stop button to set starting up charge voltage value 2.Set Stop Voltage:in normal display voltage state,press the button will display stoping charge voltage;long press the button for 3s the digital tube will flash;you can start or stop button to set stoping charge voltage value 3.Factory Reset:in power on state press the start/stop button at the same time,digital tube will display 888;that represents factory reset settings Specifications: 1.Model: XH-M603 2.Input Voltage: DC 10-30V 3.Display Precision: 0.1V 4.Control Precision: 0.1V 5.Output Type: Direct Output 6.Voltage Tolerance: +/-0.1V 7.Application Fields: 12-24V Storage Battery 8.Size: 82*58*18mm Package Included: 1 *Â XH-M603 DC 12-24V Charging Control Module Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 1pcs XH-M603 DC 12-24V Charging Control Module Storage Lithium Battery Charger.Application Fields: 12-24V Storage Battery. We'd like to settle any problem in a friendly manner. Output Type: Direct Output. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.