Nitecore UM10 USB Charger

Nitecore UM10 USB Charger

Nitecore UM10 USB Charger

UM10 is the latest innovation from Nitecore that is a USB powered Li-ion battery charger. It is compact, fully automated with clear digital display of detail charging status and charges many different type Lithium Ion rechargeable batteries.

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Product descriptions:


  • USB powered Li-ion battery charger
  • High definition LCD displays real time charging status
  • Features USB output charging
  • Integrated intelligent power management system
  • Intelligently detects input power
  • Intelligently distributes charging power
  • Priority Mode offers either battery or USB charging
  • Enables data transfer via USB
  • Intelligently selects charging current based on battery capacity
  • Features rear USB cable winder and grooves to accommodate 2.5mm/3.0mm USB cables
  • Constructed from fire retardant materials
  • Features reverse polarity protection
  • Designed for optimal heat dissipation
  • Certified by RoHS, CE, FCC and CEC
  • Insured worldwide by Ping An Insurance (Group) Company of China, Ltd.



  • Input voltage:        Micro USB DC 5V 
  • Output voltage:   4.2V ±1% / 5V 
  • Input current: ≥500mA
  • Output current:     1000mA / 500mA Compatible with:
  • Li-ion / IMR:         18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440
  • Dimensions:          3.94”×1.50”×1.38” (100mm× 38mm×35mm) 
  • Weight:           2.01oz (57 gram)(without battery or power cord)

Package Included:

  • 1x Nitecore UM10 USB Charger
  • 1x Micro USB cable
  • User manual

Charger Safety Warning: 

  • Nitecore recommends using only quality USB adapters with the UM10. Using poor quality adaptors may result in the LCD displaying “EE” to indicate an error.
  • The charger is restricted to charging Li-ion, IMR rechargeable batteries only. Never use the charger with other types of batteries as this could result in battery explosion, cracking or leaking, causing property damage and/or personal injury.
  • The safe operation temperature for the charger is between -10 to 40°C, and the safe storage temperature is -20 to 60°C.
  • Do not use the charger to charge other unspecified batteries as they may leak or burst, causing personal injury and damage.
  • Observe polarity diagrams located on the charger. Always place the battery cells with positive tip facing the top.
  • Never leave the charger unattended when it is connected to power. If any malfunction is found, terminate the process at once and refer to the operation manual.
  • The charger is for use of adults above 18 years old. Children under this age must be supervised by    an adult when using the charger.
  • Please make sure the correct program and settings are chosen and set. Incorrect program or setting may damage the charger or cause fire or explosion.
  • Never attempt to charge primary cells such as Alkaline, Zinc-Carbon, Lithium, CR123A, CR2, or any other unsupported chemistry due to risk of explosion and fire.
  • Do not charge a damaged IMR battery as doing so may lead to charger short-circuit or even explosion.
  • Never charge or discharge any battery having evidence of leakage, expansion/swelling, damaged outer wrapper or case, color-change or distortion.
  • Do not expose the device to direct sunlight, heating devices, open flames; avoid extreme high or extreme low ambient temperatures and sudden temperature changes.
  • Please operate the charger in a well-ventilated area. Do not operate or store it in damp area. Keep    all the inflammable volatile substances away from operating area.
  • Avoid mechanical vibration or shock as these may cause damage to the device.
  • Do not short-circuit slots or other parts of the device. Do not allow metal wires or other conductive material into the charger.
  • Do not touch hot surfaces. The rechargeable batteries or the device may become hot at full load or high power charging/discharging.
  • Do not overcharge or over discharge batteries. Recharge drained batteries as soon as possible.
  • Remove all batteries and unplug the charging unit from the power source when not in use.
  • Opening, disassembling, modifying, tampering with the unit may invalidate its guarantee, check warranty terms.
  • Do not misuse in any way. Use for intended purpose and function only.