Nitecore Battery Charger

Nitecore UMS4 battery charger

★★★★½ 4.6/5 based on aggregated buyer feedback
Editorial Score 4.6/5.0
$109.89 $130.99 Save ~$21 · 19% off Estimated retail price · varies by seller
Expert Verdict

The Nitecore UMS4 is a reliable and versatile battery charger tailored for photographers and videographers who require efficient and safe charging for various battery types. Its smart features, multiple protections, and compact design make it an excellent investment for maintaining power on the go. While it lacks a bundled power adapter and may not support some niche proprietary batteries, the UMS4 delivers excellent value and performance for most camera accessory batteries.

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Key Features

  • Compatible with various lithium-ion and NiMH batteries including 18650, 21700, AA, and AAA
  • Charges up to four batteries simultaneously with independent slots
  • USB-C input for fast and universal charging compatibility
  • Built-in multiple safety protections including overcharge and reverse polarity
  • Bright LCD screen displaying voltage, charging current, and battery capacity
  • Smart automatic battery detection and charging adjustment
  • Compact and lightweight design suitable for travel
What we liked
  • Supports a wide range of battery types common in camera accessories
  • Fast charging with USB-C input
  • Multiple safety features ensure battery and user protection
  • Clear LCD display provides detailed charging information
  • Can charge up to four batteries simultaneously
  • Compact size makes it highly portable
  • Smart charging technology extends battery life
Worth noting
  • No included USB-C power adapter in the package
  • Does not support charging of some proprietary camera batteries
  • LCD screen can be difficult to read in bright sunlight
Score breakdown
How Nitecore UMS4 battery charger performed across our key evaluation criteria.
Build quality
4.5
Performance
4.5
Value
4.8
Ease of use
5.0
Portability
5.0
Owner-sentiment mix
Distribution of star ratings from buyers across major retailers.
4.6 avg / 5
  • 5★ ratings61%
  • 4★ ratings23%
  • 3★ ratings13%
  • ≤2★ ratings3%

Full Review

The Nitecore UMS4 is a versatile and compact battery charger designed for photography enthusiasts and professionals who demand reliable power management for their camera accessories. Supporting a wide range of lithium-ion and NiMH battery types, the UMS4 ensures that you can efficiently charge common camera batteries, including 18650, 21700, and AA/AAA cells. Its smart charging technology automatically detects battery type and status, delivering optimal current to maximize battery lifespan and performance.

Equipped with USB-C input for universal compatibility, the Nitecore UMS4 offers fast and safe charging with multiple protection features such as overcharge, over-discharge, short circuit, and reverse polarity safeguards. The LCD display provides real-time information on voltage, current, charging time, and battery capacity, allowing users to monitor charging progress at a glance. Its lightweight and portable design make the UMS4 an ideal companion for travel and on-location shoots.

With the ability to charge up to four batteries simultaneously, the UMS4 balances speed and convenience without compromising safety or battery health. Whether you are powering your camera flashes, LED lights, or other accessories, this charger delivers consistent and dependable performance. The Nitecore UMS4 stands out as a premium choice for photographers looking to maintain peak battery power with smart, user-friendly technology.

Owner Reviews

Emily S. March 2025
★★★★★
Great charger for all my camera batteries
I love how the Nitecore UMS4 handles different battery types. It charges my 18650 and AA batteries without any issues. The LCD screen is really helpful to monitor charging status, and the charger is compact enough to carry around on shoots.
Mark T. January 2025
★★★★☆
Reliable but missing power adapter
The charging speed and safety features are excellent, but I was a bit disappointed that it doesn't come with a USB-C power adapter. I had to use my own, which is not a big deal but something to keep in mind.