Professional lithium-ion battery charger, perfect replacement for your broken or lost charger, widely used for headlight, toy car, balance car, and more. Wide voltage input supports universal AC input voltage within 100-240V. High efficiency, safe and fast charging with 2A large current output. Built-in stable performance chips protect the battery from overheating, overcharging, overcurrent, and short circuit. Made of environmentally friendly material, safe, anti-interference, and durable. LED indicator light clearly shows the charging status. Specifications: Material: ABS Color: Black Plug Type: US, EU, UK (Optional) Input: AC 100-240V 50Hz/60Hz Output: DC 21V 2A Output Port: 5.5 x 2.5mm Adapter Size: Approx. 8.5 x 4.5 x 3cm / 3.3 x 1.8 x 1.2in Package Weight: 110g Package List: 1 x Power Adapter Note: The new or old version of this product may be shipped randomly. Please ensure you are comfortable with this before ordering.