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Watson Mini Duo USB-C Charger for Nikon EN-EL15 Batteries

BH #WAMDCNENEL15 • MFR #MDC-3410
7 reviews
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Watson Mini Duo USB-C Charger for Nikon EN-EL15 Batteries
Key Features
  • For Nikon EN-EL15 Batteries
  • Independent and Simultaneous Charging
  • LCD Displays Charging Status
  • Includes USB-C Cable & Power Adapter
The Mini Duo USB-C Charger from Watson can simultaneously charge two Nikon EN-EL15 type batteries from a USB or AC power source. The two battery bays independently charge one or two batteries at the same time. The onboard LCD screen clearly shows the charging status of each battery. A USB-C cable and a USB power adapter are included for versatile charging options. The multi-voltage USB adapter makes it possible to charge batteries anywhere in the world.
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Watson MDC-3410 Overview

The Mini Duo USB-C Charger from Watson can simultaneously charge two Nikon EN-EL15 type batteries from a USB or AC power source. The two battery bays independently charge one or two batteries at the same time. The onboard LCD screen clearly shows the charging status of each battery. A USB-C cable and a USB power adapter are included for versatile charging options. The multi-voltage USB adapter makes it possible to charge batteries anywhere in the world.

LCD Charging Status Screen
An LCD displays the independent charging status for each battery. Quickly select a fully charged battery for work and leave the other for continued charging.
USB-C Power
The charger includes a USB power adapter and USB-C cable for portable and convenient charging. Use the USB-C cable with a portable battery pack, or plug the USB power adapter into any office, hotel, or airport outlets.
Circuit Protections
With built-in overcharge, short-circuit, and power surge protections, the Mini Duo USB-C Charger ensures battery safety.
UPC: 847628552081

Watson MDC-3410 Specs

Charger
Charger Type
1x Bay Charger for 2x Battery
Compatibility
Battery: Nikon EN-EL15 / Nikon EN-EL15b / Nikon EN-EL15c
Charging Modes
Independent
Power I/O
1x USB-C Female Output

Included Power Adapter/Cable
1x Cable with USB-A Male to USB-C Male
1x Wall Charger with USA Type-A/B Plug and 1x USB-A Female Output
 • Input: 100 to 240 VAC, 50 / 60 Hz
Battery Bay Output Voltage
8.4 VDC at 0.6 A (Two Batteries)
Indicator
Display
Dimensions
3.4 x 2.1 x 0.9" / 8.6 x 5.3 x 2.3 cm
Weight
1.2 oz / 35 g
Environmental
Operating Conditions
-4 to 113°F / -20 to 45°C
Packaging Info
Package Weight
0.26 lb
Box Dimensions (LxWxH)
5.3 x 4.9 x 1.2"

Watson MDC-3410 Reviews

Works with Nikon EN-EL15C batteries

By Henry
Rated 5 out of 5
Date: 2026-01-18

I use a Nikon Z5 II, which can charge its battery internally, but this external charger is far more convenient. It works reliably, feels well‑made, and saves wear on the camera’s USB‑C port. No complaints so far. In practice, I usually only need to charge one battery at a time because my photo-hobby sessions are short, but it’s nice knowing I can charge additional batteries whenever needed. You may notice in some product photos that the WATSON logo shows a bit of color. The front logo behaves like a diffraction grating, so colors appear at certain viewing angles. My unit also has a manufacturing code on the back: “GG1” over “RY0725.” I purchased the charger in December 2025, so the “0725” portion may indicate a July 2025 manufacturing date. Since the charger outputs 600 mA and an EN‑EL15c battery has a 2280 mAh capacity, I'd expect a fully depleted battery to take around four hours to charge. I don't run my batteries all the way down, so my charge times are shorter.

Fine For Slow Charging, Small Form Factor

By James
Rated 3 out of 5
Date: 2025-11-29

Nice Small Form Factor And Since It Uses USB C, If You Travel, You Already Are Taking USB C Power Cables And Wallwort. That's The Good Side. Th Bad, Although I Had It Hooked To 35W Supply And More Than Capable Cables, I Don't Think It Pulled More Than The Old Minimum Standard Of 5W (I Did Not Measure). It Also Seems If You Put Two Batteries In At A Time, At Least For Me, Both Displays Lit Up, But It Seems To Only Charge One Battery At A Time. So This Could Be Improved, But For Simple Travel, It's Nice And Small.

See any errors on this page?

Can this charger be powered by connecting to a USB

Can this charger be powered by connecting to a USB-C 20,000 amp portable power pack? I need to recharge my batteries backpacking
Asked by: Charles
The Watson Charger can be connected to a 20,000 external battery pack to charge the Nikon EN-EL15 Batteries. You Do not need such a large battery pack to do this.
Answered by: Gary L
Date published: 2026-03-02

Does this charger support ENEl 15c batteries that ...

Does this charger support ENEl 15c batteries that will be used in a Nikon Z6 III?
Asked by: Kevin
Yes, the Watson Mini Duo USB-C Charger for Nikon EN-EL15 Batteries will support the Nikon EN-EL15c Lithium-Ion Battery used by the Nikon Z6 III Mirrorless Camera.
Answered by: Lucia B
Date published: 2025-09-24

Does this charge as fast as nikon chargers?

Does this charge as fast as nikon chargers?
Asked by: Orest
The Watson Mini Duo USB-C Charger for Nikon EN-EL15 Batteries can charge a Nikon EN-EL15C battery in about 3 hours using the included USB wall charger.
Answered by: Dan W
Date published: 2025-11-11

Will this charge faster when connected to a ...

Will this charge faster when connected to a higher powered USB-C brick?
Asked by: Jason
Just make sure your USB-C brick has Power Delivery (PD). That will be as fast as the Watson Mini Duo USB-C Charger for Nikon EN-EL15 Batteries can go.
Answered by: Daniel C
Date published: 2025-10-03

Is this Watson battery charger compatible with ...

Is this Watson battery charger compatible with batteries that will be used in a Nikon Z6 III?
Asked by: Kevin
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