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　　1. Use the official charger. For convenience, many friends use the charger to form color. Many of the voltage and current output by different chargers are different. Even the material of the charging cable is different. Using non -official chargers can easily cause battery damage and fire. Explosion and other situations.

　　2. Charging in a good ventilation and open space. If the battery bursts will be sprayed with thick smoke and content.

　　3. For the first time, a new lithium battery group is charged to check the voltage of each battery unit of the battery pack. The same work should be done every 10 times in the future. This is absolutely necessary. A battery pack with unbalanced voltage will still burst when the number of batteries is selected correctly. If the voltage difference between the battery cell in the battery pack exceeds 0.1 volts, the voltage of each battery should be charged to 4.2 volt. If the voltage difference between the battery single after each discharge exceeds 0.1 volts, it means that the battery has failed and should be replaced in time.

　　4. No one cares about not charging. When charging, it must be charged according to the charging C or lower number of C numbers specified in the battery. It cannot exceed the prescribed charging current. The charging batteries and chargers need to be placed in a safe place.

　　Diameter: 18 ± 0.2mm

　　Height: 65 ± 2.0mm

　　Capacity: 1000mAh or more, the conventional capacity is 2200mAh-3200mAh, the most capable of 18650 battery capacity is LG, which can achieve 3600mAh, but the price is not low.

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