AC adapter for lithium-ion battery, replacement AC adapter 100-240V DC 21V 2A, professional charger, multiple protection (EU)

Professional lithium-ion battery charger, ideal for replacing your broken or lost charger, widely used for headlights, toy cars, balance scooters, and many other devices. Wide voltage input, supports universal AC input. High-efficiency, safe, and fast charging with a 2A current output. Built-in high-performance chips for optimal stability, protecting the battery from overheating, overcharging, overcurrent, and short circuits. Made from environmentally friendly materials, this charger is safe to use, interference-resistant, and built to last.