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Nitecore UMS2 Intelligent Dual-Slot Quick USB-C Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries, with Organizer

Nitecore UMS2 Intelligent Dual-Slot Quick USB-C Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries, with Organizer

Q: My ums2 keeps going into reboot loop when at times inserting a 18650 battery; tried 2 brands of batteries; multiple usb cables; defective?

Have you tried a more powerful (output) USB adapter? If the issue persists, contact us (the seller) and we will have the issue resolved swiftly.

Q: Will this unit charge a protected 21700 battery? I know it will accept the unprotected battery.

Yes. It can charge both protected and unprotected 21700 battery.

Q: Does this unit have a discharge function?

No, it does not have a discharge function.

Q: Does it test for battery capacity?

No. It does not display the capacity of the battery.

Product ID: 92483471

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Details

Brand
Nitecore
Color
Black
Product Dimensions
2.87"D x x
Item Weight
5.56 Ounces
Output Voltage
4.35 Volts

⚡4000mA dual-slot max output

📊Real-time LCD battery status

🔋Supports Li-ion/NiMH/IMR & more

Description

🔌 Power up smarter, faster, everywhere.

TURBOCHARGE YOUR POWER - Delivers up to 4000mA total for ultra-fast dual-slot charging with QC2.0+ USB-C compatibility.
STAY INFORMED INSTANTLY - Crystal-clear LCD screen shows battery health, charging mode, and status in real time.
TRAVEL READY ORGANIZATION - Includes a sleek organizer to keep your batteries and charger perfectly arranged on the go.
SMART CHARGING LONGER LIFE - Automatically adjusts current and voltage to maximize battery lifespan and safety.
UNIVERSAL BATTERY COMPATIBILITY - Works seamlessly with Li-ion, Ni-MH, Ni-Cd, IMR, and common sizes like 18650, AA, AAA.

The Nitecore UMS2 is a compact, intelligent dual-slot USB-C battery charger delivering up to 4000mA total output. Featuring an LCD display for real-time battery health and charging status, it supports a wide range of battery chemistries and sizes. Its smart charging technology optimizes current and voltage to extend battery life, while the included organizer makes it ideal for travel and everyday carry.

Have a Question? See What Others Asked

My ums2 keeps going into reboot loop when at times inserting a 18650 battery; tried 2 brands of batteries; multiple usb cables; defective?

Will this unit charge a protected 21700 battery? I know it will accept the unprotected battery.

Does this unit have a discharge function?

Does it test for battery capacity?

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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