chargers IMR / Li-Ion / LiFePO4 Battery Chargers

NITECORE UMS2 Intelligent USB Speedy Two-Slot Charger

NZ $49.95 Incl GST
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In stock ex Auckland, next business day delivery.

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IMR / Li-Ion / LiFePO4 Battery Chargers


The NITECORE UMS2 is a QC input available intelligent USB dual-slot superb with a total max output of 4000mA and a single slot max output of 3000mA and capable of charging two batteries simultaneously, controlling each slot independently. It only takes 55 minutes to charge 80% of a 3500mAh battery.

NITECORE UMS2 - User manual.

The LCD screen can display real-time information on Battery Health by Good or Poor, Internal Resistance, Charging Current, Battery Voltage, Charged Volume and Charging time. It can enable automatic detection of battery power level, automatic selection of the appropriate voltage and charging mode, and automatic selection between 3 charging modes (CC, CV and -dV/dt). The charging parameters can be set manually to meet various charging needs.

The specially designed Micro USB port is compatible with various mobile power sources, solar panels and USB adaptors to ensure an endless power supply. UMS2 incorporates an optimized IMR battery charging program, which can monitor the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the batteries. The UMS2 is compatible with 3.6V/3.7V Li-ion rechargeable batteries, 3.8V Li-ion rechargeable batteries, 1.2V Ni-MH/Ni-Cd rechargeable batteries and 3.2V LiFePO4 batteries.

Multiple safeguards ensure the safe charging process, including automatic battery internal resistance detection, anti-short circuiting and reverse polarity protection, overtime charging protection, over-discharged Li-ion battery activation and over-discharged IMR battery restoration. Apart from being constructed from durable and fire retardant PC materials, the built-in temperature regulation system is designed to prevent overheating and ensure the charging process's stability. If there is no action to the buttons or batteries in 10 minutes, the screen will automatically dim to save energy.

Key Features:
  • QC 2.0 input available
  • Total max output of 4000 mA with a single slot max output of 3000 mA
  • LCD for real-time charging information
  • USB charging port for outdoor charging
  • Intelligent charging mode selection
  • Energy-saving function
  • Compatible with Li-ion and Ni-MH /Ni-Cd batteries
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: 3,000mA*1 (MAX) 2,000mA*2 (MAX)
Standard Mode: 2,000mA*1 (MAX) 1,000mA*2 (MAX)

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


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