ITEM NAME:18650 Battery Quick Charging Charger Portable USB Lithium Battery Charger A#S Product Description Description: Feature: - Short-circuit protection with built-in fuses to prevent danger from short-circuiting of electrical appliances and ensure safe use. - When the charger is empty, it will light green. When the load is red, it will be green when charing over, ensure that the battery is fully charged without overcharging and safe use. Specifications: Input: DC5V/1A Output: 4.2V/500MA Adapt to the battery: 18650 Packing size: 110*60*20mm/4.33*2.36*0.79in Weight: 20g Factory inspection environmental.Adapt to the battery: 18650. Due to the different display and different light, the picture may not show the actual color of the item. Weight: 20g. If item is defective after 3 months, you can still send it back to us.