Specifications:

1. Model: C series

2. Main power: 2.5W

3. Battery: lithium-ion battery 18500/1200mAh 3.7v

4. Charging seat input: 5v DC 500mA

Descriptions:

1. During its first usage like newly bought products and if you haven't used it for 3 months and

over, you'll need to charge it regarding the rest of the power.

2. The suitable temperature is between 5 degrees to 35 degrees If the temp is over or below, it will

cause the charger to not charge normally or can't charge at all

3. To keep sufficient battery, it's advised to charge 2 times separately to save up the charging time too

4. It is normal the temp of the machine goes up at using and charging time