Weltool UB18-33

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Weltool UB18-33 3300mAh 18650 USB-C Rechargeable Battery with Protection The positive pole of the Weltool UB18-33 battery has a protection circuit and a USB-C charging port. You ca n use a 5V adapter to charge the battery directly, or you can use a power bank to charge the battery. You can also put the battery into a lithium-ion charger to charge it. There is a charging indicator on the top of the battery to indicate the charging status. The red light means it is charging, and the blue light means it is fully charged. Model: UB18-33 Nominal capacity 3300mAh Rated capacity: 3200mAh Finished product internal resistance: ≤100mΩ Voltage: 3.6V Maximum continuous discharge current: 8A (10-25℃) Charging current 1.3A (Type-C USB charging) Overcharge protection cut-off voltage: 4.25±0.05V Over-discharge protection cut-off voltage: 2.5±0.1V Cycle charge and discharge times: 70% capacity after 300 charge and discharge cycles Charging temperature: 0-45℃ Discharge temperature: -10-60℃ Storage temperature: -10-60℃ Finished product size: 18.8±0.2 mm (diameter), 69.8±0.2 mm (length) Weight 50±0.5g Show more