ITEM NAME:XH-M603 Digital Storage Li-ion Battery Charger 12-24V Control Module Board Product Description Description: Specification: Input voltage: DC 10~30V Control current: maximum 20A Control accuracy: 0.1V Output type: direct output Voltage error: Â ±0.1V Scope of application: 12-24V various batteries Product size: 82*58*15mm/3.22*2.28*0.59'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 X Charging Control Module.Output type: direct output. Due to the different display and different light, the picture may not show the actual color of the item. 12 months Warranty. Warranty Service. If item is defective after 3 months, you can still send it back to us.