Nitecore UM2 -Nitecore UM2 Battery Charger - Fish City Hamilton - UM2 -

Nitecore UM2 -Nitecore UM2 Battery Charger

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The Nitecore UM2 is also compatible with both normal household AA, AAA batteries as well as modern Lithium-Ion cells commonly used in high powered LED torches and vaping. With an integrated USB socket, USB powered portable electronics can be charged too!

The UM2 has a specific charging program for delicate IMR batteries. Monitoring the entire charging process and ensuring the Cutt-off voltage is always within safe limits to the extend the lifespan of the IMR batteries.

The Nitecore UM2 replaces our very popular Nitecore I2. With an improvement with max power, addition of LCD screen and reduction in size. This two-slot model is ideal for space conscious traveller or the user that uses devices that are powered by 1-2 cells. Nitecore produce a 4-slot model that we also carry for users that have the need to cycle more batteries at once.

Power this charger from your existing portable USB charger or quality power bank. To achieve maximum power and charging time, we recommend use of a Quick Charge 3.0 USB power adaptor. Mr Positive carries a selection of Quick Charge 3.0 mains powered USB adaptors available separately.


2 independent charging slots
LCD display for real time charging data
Internal resistance and battery detection
Intelligent charging mode selection (CC, DC and -dV/dt)
Manual charge setting
USB Powered
Overcharge protection
Over-Discharge Li-Ion battery activation
Short circuit protection
Polarity protection
Constructed from durable and fire-retardant PC materials
Intelligent temperature regulation


Input: 5v 2a DC / 9v 2a (Quick Charge) 18w max
Output: 4.35v / 4.2v / 3.7v / 1.46v +/-1%
QC Mode: 1500mah x 1 (max) / 1000mah x 2 (Max), 500mah x 4 (Max)
Dimensions: 159 x 107 x 41mm
Weight: 233g

Li-Ion / IMR / LiFePO4 Compatible Batteries:
1044, 14500, 14650, 16500, 16340, CR123A, CR123, 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26650, 26700

NiMH / NiCD Compatible Batteries: