General description This lithium-ion battery power supply is an ideal replacement charger for lithium-ion batteries, designed for various applications such as headlights, small cars, and scales. It features a built-in safety chip that provides complete protection against overcharging, overcurrent, and short circuits, ensuring safe and efficient charging. Technical specifications Input Voltage: AC 100-240 V Output Voltage: DC 21 V Output Current: 2 A Usage This charger is made from durable and flame-retardant materials, allowing for easy and safe charging without concerns. The LED indicator clearly shows the charging status, letting you know when the charging is complete. Other information Built-in multi-layer protection against overheating, overcharging, overcurrent, and short circuits. High charging efficiency with a second output that provides high current for faster charging.