Li-ion battery power adapter, AC 100-240V DC 21V 2A replacement charging power adapter

Li-ion charger power adapter: This is the perfect replacement charger for Li-ion batteries. Built-in safety chip, full protection against overcharge, overcurrent, short circuit, etc. Made of durable and flame-retardant material, you can use it to charge easily and freely. Perfect Replacement: Professional lithium-ion battery charger, perfect replacement for damaged or lost devices, widely used in headlights, small cars, scales, etc. Fast Charging: Wide voltage input, universal standard supports 100-240 V AC input voltage, high charging efficiency, safe and fast charging, secondary high current output. No need to wait long. Multi-layer Protection: Built-in chips with stable performance protect the battery from overheating, overcharging, overcurrent, and short circuits. You can use this charger without worrying about safety issues. High Quality: Made of materials that are safe, anti-interference, and durable. The LED indicator clearly shows the charging status, and you can clearly see when the charging process is complete. This charger lasts longer.