Nitecore UM4 Intelligent USB Four-Slot Battery Charger

(1 customer review)

Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1568851
  1. Input: DC 5V/2A 9V/2A 18W (MAX)
  2. Output: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
  3. QC Mode: 1,500mA*1 (MAX), 1,500mA*2 (MAX), 750mA*4 (MAX)
  4. Standard Mode: 1,500mA*1 (MAX), 1,000mA*2 (MAX), 500mA*4 (MAX)
  5. Intelligent USB Four-Slot Charger
  6. QC 2.0 input available
  7. Capable of charging 4 batteries simultaneously and controlling each slot independently
  8. Up to 1,500mA charging speed in a single slot
  9. Compatible with Li-ion and Ni-MH/Ni-Cd batteries with automatic detection


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Out of stock

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Brand: Nitecore
Category: Ni-Mh | Li-po | Li-Ion Battery chargers
Tags: Nitecore Battery Charger

Nitecore UM4 Intelligent USB Four-Slot Battery Charger is a new product from Nitecore brand. Nitecore specializes in the design and manufacture of high-quality illumination tools and accessories. Nitecore is also well-known brand for its battery chargers, which support various rechargeable battery types like lithium-ion, NiMH, and NiCd. These chargers often feature multiple charging slots, LCD displays, and compatibility with USB power sources.

These battery chargers are commonly used to replenish the energy in rechargeable batteries, allowing them to be reused instead of disposed of after a single use. Battery chargers play a crucial role in extending the life and usability of rechargeable batteries by providing a convenient means of recharging them. These are specifically designed for rechargeable batteries, which are capable of being recharged and reused multiple times.

Like Nitecore UM4 Intelligent USB Four-Slot Battery Charger, all Nitecore battery chargers feature intelligent circuitry to automatically detect your battery and apply the optimal charging current for each chemistry. This prolongs the life of your battery and gives you the quickest charge possible for your configuration. With features like automatic charging timeout, reverse polarity detection and short circuit prevent, you can rest assured your batteries will be safe throughout the charging process.



Note: Refer to datasheet in the ATTACHMENTS section for more info. regd. the product. Batteries are not included in the package.


  1. Intelligent USB Four-Slot Charger
  2. QC 2.0 input available
  3. Capable of charging 4 batteries simultaneously and controlling each slot independently
  4. Up to 1,500mA charging speed in a single slot
  5. Compatible with Li-ion and Ni-MH/Ni-Cd batteries with automatic detection
  6. Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode (LiFePO4 and 3.8V Li-ion batteries excluded)
  7. Automatic selection between 3 charging modes (CC, CV and -dV/dt)
  8. Energy-efficient LCD display for real-time charging information
  9. Capable of manually selecting the charging cut-off voltage and the charging current
  10. Automatic detection of large/small capacity batteries and automatic selection of appropriate charging current
  11. Automatic termination upon charging completion
  12. Reverse polarity protection and short circuit protection
  13. Over-discharged battery activation
  14. Li-ion battery restoration
  15. Overtime charging protection
  16. Automatic detection of battery internal resistance and display of battery health
  17. Made from durable and fire-retardant PC materials.
  18. Optimal heat dissipation design
  19. Certified by RoHS, CE, FCC and CEC

Package Includes:

1 x Nitecore UM4 Intelligent USB Four-Slot Battery Charger

1 x Micro USB Cable (0.7 meter)

1 x Warranty Card

1 x Product Manual


DC 5V/2A 9V/2A 18W (MAX)


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

QC Mode

1,500mA*1 (MAX), 1,500mA*2 (MAX), 750mA*4 (MAX)

Standard Mode

1,500mA*1 (MAX), 1,000mA*2 (MAX), 500mA*4 (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





Shipping Weight 0.36 kg
Shipping Dimensions 18 × 14 × 6 cm
1 Year Warranty

This item is covered with a supplier warranty of 1 year from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

5.0 overall

Add a review

  1. deepak.challam (verified owner)

    Item as described – large enough it would appear, to charge even C type batteries. Works very well. Definitely a better buy than the standard chargers out there.



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Country Of Origin: China