Using this battery and charger set is easy. First, make sure the charger is plugged into a power source. Then, connect the battery to the charger. You'll see the charging indicator light up, which means the charging process has started. Wait until the light changes color or turns off to indicate a full charge. When using the battery, avoid over - discharging it. Try to recharge it before the power gets too low. For maintenance, keep the battery and charger in a cool, dry place. Wipe them with a clean, dry cloth regularly to remove dust. If you don't use the battery for a long time, store it with about 50% charge.