8PCS Rechargeable Lithium Battery 16340, Lithium-ion Cylindrical Battery 3.7V Voltage,2500mAh Capacity Li-ion Batteries Product Description:Model: 16340Capacity: 2500 mAhSingle battery weight: 45gRated voltage: 3.7 VStandard charging: 40mA * 15hFast charging: 120 * 4.5 hoursSpecifications: diameter 14 mm, 50 flashlightsDo not overload the battery. The discharge voltage should not be lower than 2.75 V. Otherwise, the capacity will not work properly and the battery will be complicated.It is not recommended to fully charge for a long time and charge once every three months.Note: Lithium batteries charge 3.6 to 3.7 V and 3 V at a time. Two commonLithium batteries use a common meaning1. Do not use the lithium battery charger to charge2, do not charge, or lithium battery once, it will destroy (remember, in order not to reduce the service life, scrap), the lamp is obviously darkened, must be charged, charging time is not too long, just the best3. A fully charged battery should not be used in series with a 6 V flashlight, otherwise the lamp will burn out. It is expected to be used for one to two days.4. The battery should not be used in 3 volt appliances (for example, a suitable digital camera).This package includes:8 x 3.7 V 2500 mAh rechargeable battery
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