Special Price $39.95 Regular Price $44.95
In stock
SKU
Weltool UB21-50

Weltool UB21-50 USB-C rechargeable 5000mAh 21700 Li-ion battery

The Weltool UB21-50 is a 21700 Li-ion rechargeable battery with a 5000mAh capacity suitable for high performance devices. This battery has USB-C charging port for fast charging and battery indicator lets you know when charging is complete. The UB21-50 also features a range of safety features to ensure safe usage and charging. USB-C charging cable included.

Specifications:

  • Battery Size: 21700
  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Capacity: 5000mAh
  • Voltage: 3.6V
  • Continuous discharge current: 14.5A(10-25 ℃)
  • Charging current: 2A (Type-C USB interface charging current), 3.4A (Max. charger charging current)
  • Overcharge protection voltage: 4.25±0.05V
  • Over-discharge protection voltage: 2.5±0.1V
  • Cycle charge and discharge times: After 300 times, the battery has 80% capacity
  • Charging temperature: 0-45 ℃
  • Discharge temperature: -20-55℃
  • Storage temperature: -20-55℃
  • Dimensions:
    • Length - 76±0.2 mm
    • Diameter - 21.4±0.2 mm
  • Weight: 73±0.5g
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