Weltool UB18-17 18500 Li-ion battery cells, low internal resistance, high capacity, large discharge current; battery has triple overheat protection: pressure safety valve protection, diaphragm micro hole protection, PTC cathode blocking protection and positive protection circuit with four protections : Overheat protection, overcharge protection, over discharge protection and short circuit protection. The battery positive cap is raised. It is used in the flashlight to contact the positive spring or the PCB contact surface is tighter. Single or multi-cell batteries can be used at the same time. The robust surface labeling process makes the battery protected, safer and more reliable!

  • Model: UB18-17
  • Capacity: 1700mAh
  • Internal resistance: 80mΩ
  • Voltage: 3.7V
  • Continuous discharge current Continuous Discharging: 3.4A (≤ 45 ° C)
  • Charging current: 0.8A (Mirco USB interface charging current), 1A (charger charging current)
  • Overcharge protection voltage: 4.3±0.05V
  • Over-discharge protection voltage: 2.5±0.1V
  • Cycle charge and discharge times: 350 times, the battery has 80% capacity
  • Charging indicator: red light (charging), blue light (charged)
  • Charging temperature: 10-45 ° C
  • Discharge temperature: -15-60 ° C
  • Storage temperature: -15-50 ° C
  • Dimensions: 18.6 ± 0.2 mm (diameter), 55 ± 0.2 mm (length)
  • Weight: 36±0.05g
Weltool UB18-17 (18500) 1700mAh USB Rechargeable Li-ion Battery

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