The Nitecore UM2 is an advanced intelligent USB charger designed to deliver rapid, efficient charging for your batteries. With a total maximum output of 3000mA, this charger provides speedy performance, so your batteries are ready when you are. For optimal charging speed, a 9V 2A QC 2.0 charging adapter is required.

Key Features:

• Optimized Charging Program: Specifically tailored for IMR batteries, the UM2 continuously monitors the charging process, ensuring cut-off voltage remains within safe limits to extend the lifespan of your batteries.
• Single Slot Output: Each charging slot provides a maximum output of 1500mA, allowing a 3500mAh 18650 battery to reach approximately 80% charge in just 2 hours.
• LCD Display: The integrated LCD screen provides real-time charging information. A short press on the ‘V’ button cycles through essential details such as:
  • Charged volume and charging time
  • Charging current and battery voltage
  • Battery type and cut-off voltage
  • Charging mode
• Automatic Charging Modes: The charger automatically selects from three charging modes when a battery is inserted, adapting to the battery type and capacity. For manual parameter settings, simply long-press the ‘C’ button to enter charging setting mode.
• Over-Discharged IMR Battery Restoration: If an over-discharged IMR battery is inserted, the display will show ‘EE EE’. By long-pressing the ‘V’ button, you can enter restoration mode. The charger will also display ‘EE EE’ if a short-circuited battery is detected or if the battery is inserted incorrectly.

Compatibility: The Nitecore UM2 charger is compatible with a wide range of IMR, Li-Ion, and LiFePO4 batteries, including:

• 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26650, 26700
• NiMH/NiCd batteries: AA, AAA, AAAA, C, D