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Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger

BH #NIUMS4 • MFR #UMS4
10 reviews
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Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger
Key Features
  • Charges Li-Ion, Ni-Cd & Ni-MH Batteries
  • Charge Simultaneously or Independently
  • LCD Displays Real-Time Charging Details
  • USB Port Works with Many Power Sources
The UMS4 Intelligent USB Four-Slot Superb Battery Charger from Nitecore is compatible with select Li-ion, IMR, LiFePO4, NiMH and NiCd batteries. This charger accepts multiple power sources that plug directly into the USB-C port. Batteries can be charged simultaneously or independently, and the charger can reach a maximum 4000mAh of output power.
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Nitecore UMS4 Overview

The UMS4 Intelligent USB Four-Slot Superb Battery Charger from Nitecore is compatible with select Li-ion, IMR, LiFePO4, NiMH and NiCd batteries. This charger accepts multiple power sources that plug directly into the USB-C port. Batteries can be charged simultaneously or independently, and the charger can reach a maximum 4000mAh of output power.

During the charging process, the LCD will monitor battery health and display battery status, charged volume, battery temperature, and battery level. Batteries with circuit protection activate the intelligent charging management system, apply correct charging currents, prevent overcharging, protect against reverse polarity, and provide anti-short circuit protection. The charger is constructed from durable and fire-retardant PC and ABS materials.

Compatibility
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, 26650, and 26700

NiMH/NiCd: AA, AAA, AAAA, C, and D
Power Sources
Compatible with different power sources such as power banks, solar panels, and USB adapters, which plug in via its USB-C port
LCD Display
LCD will monitor battery health, and display status, charged volume, and battery level
Battery Protection
Batteries with circuit protection activate the intelligent charging management system, applying the correct charging currents and preventing damage from improperly inserted batteries
Construction
The charger is constructed from durable and fire-retardant PC and ABS materials
EAN: 6952506492824

Nitecore UMS4 Specs

Charger
Charging Bays
4x AA, AAA, AAAA, C, D, 10440, 14500, 16340, 17500, 17670, 18350, 18490, 18650, 26650
Supported Battery Chemistry
Li-Ion, Ni-Cd, Ni-MH
Charging Power
4 A
Power Source
USB Power (Cable Included)
Power I/O
1x USB-C Input
Indicator
LCD Display
Dimensions
6.26 x 4.21 x 1.61" / 15.9 x 10.69 x 4.09 cm
Weight
9.01 oz / 255 g
Packaging Info
Package Weight
0.85 lb
Box Dimensions (LxWxH)
7.5 x 5.9 x 4"

Nitecore UMS4 Reviews

Love the digital readout

By Robert
Rated 5 out of 5
Date: 2026-03-26

Being able to see the status of each battery is a huge help. Much better than the charger I originally had.

Bad assembly on 2 out of 3 products

By Richard
Rated 1 out of 5
Date: 2022-03-01

The LCD screen of the first charger was poorly assembled where the fasteners were melted plastic instead of screws. I was able to fix it myself. The second charger had problems with poorly made welds and again I was able to make the necessary repairs. As for the third charger, without even having put batteries, it indicates an EEEE message. Poor manufacturing quality. This brand is definitely to be avoided.

See any errors on this page?

Will this work with Li-ion/IMR: 1. EBL 14500 2. ...

Will this work with Li-ion/IMR: 1. EBL 14500 2. Garberiel 18650 3.Ni MH AA Panasonic Eneloop Pro?
Asked by: Hayk
Yes, the Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger is compatible with those batteries.
Answered by: Boyd H
Date published: 2021-12-20

Can this charger charge lithium and NIMH at the ...

Can this charger charge lithium and NIMH at the same time?
Asked by: Stewart
Yes, the Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger can charge Ni-MH and Li-Ion batteries at the same time.
Answered by: Boyd H
Date published: 2022-01-07

is Ni-MH Batteries same as NiMH Batteries?

is Ni-MH Batteries same as NiMH Batteries?
Asked by: IBRAHIM
Yes, they both stand for Nickel Metal Hydride.
Answered by: Rob
Date published: 2020-07-08

Is it quick?

Is it quick?
Asked by: Ivan
Yes this charger is quick.
Answered by: Kirk R
Date published: 2021-01-15

Will this charger burn 1.2V Eneloop Pro ...

Will this charger burn 1.2V Eneloop Pro batteries? It is written in the manual that the lowest voltage is 1.48V
Asked by: Joao Henrique
This Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger is not recommended for use with the Panasonic Eneloop Pro Batteries.
Answered by: Kirk R
Date published: 2023-02-06

Does this work with 220V A/C outlet voltage?

Does this work with 220V A/C outlet voltage?
Asked by: John Edward
The Nitecore UMS4 Intelligent USB Four-Slot Superb Battery Charger is compatible with different power sources such as power banks, solar panels, and USB adapters, which plug in via its micro USB port. You can use 220V A/C outlet voltage to charge the charger as well.
Answered by: Samik G
Date published: 2024-06-14

You show the charger uses a micro-USB power ...

You show the charger uses a micro-USB power input. The Nitecore site says that the UMS4 uses a USB-C power input. Which?
Asked by: Larry
When will you be stocking the USB-C version?
Answered by: Larry
Date published: 2025-12-09

Does not come with Charging Cord. What part ...

Does not come with Charging Cord. What part number should I order for this charger?
Asked by: William
A micro-B USB cable like this one can be used to for charging power: https://www.bhphotovideo.com/c/product/1104977-REG/scosche_usbm3_charge_sync.html/specs
Answered by: Boyd H
Date published: 2019-10-04
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