1. To fix the battery position firmly, then adjust the position of the two metal pins to match the positive and negative ports of battery;
2. Next make two metal pins touch battery well, the red light means the battery touches the charger well and is ready to charge.
3.To connect the AC sources, flaring color light flashes, it means that charging process is going on.
4.The flaring light stops flashing , it means that charging finishes.

NOTE:

1. Please use firm electrical sources socket to charge battery ;
2. To be used at in-door only;
3. To avoid charging under the sunshine or under high temperature. Excess temperature would affect charging effect;
4. Please cut off electrical 220V sources immediately if you stop charging;
5. It is normal if charger seems a little warm while charging;