WARNING: This product contains nicotine. Nicotine is an addictive chemical.

Nitecore - UM4 - 4-Bay Battery Charger

*USB cable included. Wall adapter not included.

AvailabilityOut of stock
Special Price $29.99 Regular Price $39.99
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Nitecore UM4 - 4-Bay Battery Charger

The most important part of a high power vape device is the batteries. Take care of them with the best battery charger. With the Nitecore UM4, you'll be able to charge up to 4 batteries at the same time. We all know USB ports on vape devices break easily. Avoid that by charging your batteries on an external charger. Keep a set charging, while using the other set for vaping.


Intelligent USB Four-Slot Charger

QC 2.0 input available

Capable of charging 4 batteries and independent controls

Up to 1500mA charging speed in a single slot

Compatible with Li-ion and Ni-MH/Ni-Cd batteries with automatic detection

Automatic detection of power level, voltage, and charging mode (LiFePO4 and 3.8V Li-ion batteries excluded)

Automatic selection between 3 charging modes (CC, CV, and -dV/dt)

Manual charging settings

LCD display for real-time charging information

Automatic termination upon charging completion

Over-discharged battery activation

Li-ion battery restoration

Internal resistance and battery health detection

Reverse polarity protection and short circuit protection

Made from durable and fire-retardant PC materials

Optimal heat dissipation design

Certified by RoHS, CE, FCC, and CEC


IMR / Li-ion / LiFePO4

10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 2070021700, 22500, 22650, 25500, 26500, 26650, 26700

Ni-MH / Ni-Cd



DC 5V/2A 9V/2A | 18W (Max)


4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%

QC Mode:

1500mA *1 (Max)

1500mA *2 (Max)

750mA *4 (Max)

Standard Mode:

1500mA *1 (Max)

1000mA *2 (Max)

500mA *4 (Max)


30 Day In-House Warranty. Device will be covered by warranty for manufacturer defects. For further warranty services, please contact the manufacturer.

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