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Nitecore UM2 Charger


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Product Highlights:

  • 2 Bay Charger
  • Max Charging Speed – 1A x 2, 1.5A x 2 (QC Mode)
  • Comfortably fits size 20700 and 21700 batteries
  • Bright digital LCD display shows real time charging information
  • Built in safety protections to prevent short circuits, overcharging, and improperly inserted batteries


  • Intelligent USB Dual-Slot Charger
  • QC 2.0 input available
  • Capable of charging 2 batteries simultaneously and controlling each slot independently
  • Up to 1,500mA charging speed in a single slot
  • Compatible with Li-ion and Ni-MH/Ni-Cd batteries with automatic detection
  • Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode (LiFePO4 and 3.8V Li-ion batteries excluded)
  • Automatic selection between 3 charging modes (CC, CV and dV/dt)
  • Energy-efficient LCD display for real-time charging information
  • Capable of manually selecting the charging cut-off voltage and the charging current
  • Automatic detection of large/small capacity batteries and automatic selection of appropriate charging current
  • Automatic termination upon charging completion
  • Reverse polarity protection and short circuit protection
  • Over-discharged battery activation
  • Li-ion battery restoration
  • Overtime charging protection
  • Made from durable and fire-retardant PC materials
  • Optimal heat dissipation design
  • Certified by RoHS, CE, FCC and CEC


Input : DC 5V/2A 9V/2A 18W (MAX)
Output Voltage: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
Output current: QC Mode: 1,500mA*2 (MAX) Standard Mode: 1,000mA*2 (MAX)
Dimensions: 152mm x 73mm x 40mm
Weight: 148.3 gram (without batteries or power cord)
Compatible with :
IMR/Li-ion/LiFePO4: 10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490,18500, 18650, 18700, 20700, 21700, 22500, 22650,25500, 26500, 26650, 26700
Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D

Package Contents:

  • Nitecore UM2 Battery Charger
  • Standard USB Power Cord
  • User Manual

Additional information

Weight.256 kg


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