Lithium Battery Charger for 21V Screwdriver Electric Wrench Hammer Drill Cordless Saw Battery Pack Use Product information: Material: Plastic Color: Black 1. Input voltage: 100V-240V 2. Input specification: default US standard 3. Output voltage: 21V 4. Output current: 1A 5. Output specification: round wire 5.5*2.5mm feature of product: Adopt the dual IC design of international manufacturers, constant current charging, stable quality With perfect over-current, over-voltage, short-circuit, over-temperature, over-power protection functions Moisture-proof and dust-proof Turning light with indicator light, can display battery charging status The biggest feature is that it can charge the battery without the protection board Features: Wide voltage input: 100-240V/50-60Hz Output voltage: 21V error less than 0.2V, charging current 1A Charging indication: red light when charging, green light when fully charged (green light when no-load) Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow 5-10mm differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_