---
product_id: 393314987
title: "Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer"
brand: "nitecore"
price: "€ 121.81"
currency: EUR
in_stock: true
reviews_count: 1
category: "Nitecore"
url: https://www.desertcart.sk/products/393314987-nitecore-nitecore-ums2-intelligent-usb-dual-slot-superb-battery-charger
store_origin: SK
region: Slovakia
---

# 4000mA max dual-slot fast charge Real-time LCD battery health & status Supports 18650 & 10+ battery types Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer

**Brand:** nitecore
**Price:** € 121.81
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Smarter, Charge Faster, Stay Ahead!

## Quick Answers

- **What is this?** Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer by nitecore
- **How much does it cost?** € 121.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/393314987-nitecore-nitecore-ums2-intelligent-usb-dual-slot-superb-battery-charger)

## Best For

- nitecore enthusiasts

## Why This Product

- Trusted nitecore brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Display Insights:** Bright LCD screen keeps you informed with real-time battery health, charge status, and mode—no guesswork needed.
- • **Turbocharge Your Power:** Delivers up to 4000mA total output for lightning-fast dual-slot charging with QC2.0+ USB sources.
- • **Travel-Ready Organization:** Includes a sleek LumenTac battery organizer to keep your power essentials neat and ready for on-the-go professionals.
- • **Intelligent & Safe Charging:** Automatically adjusts voltage and current to maximize battery lifespan and prevent overcharging.
- • **Universal Battery Compatibility:** Works seamlessly with a wide range of battery chemistries and sizes including Li-ion, NiMH, and more.

## Overview

The NITECORE UMS2 is a compact, intelligent dual-slot USB battery charger delivering up to 4000mA total output with QC2.0+ support. Featuring a bright LCD display, it provides real-time battery health and charging status while automatically optimizing voltage and current for safe, efficient charging. Compatible with a broad range of battery types and sizes, it includes a handy LumenTac organizer, making it the perfect fast-charging companion for professionals who demand reliability and versatility on the go.

## Description

Introducing the NITECORE UMS2 Intelligent USB dual-slot superb battery charger designed to recharge your batteries fast, safe and efficiently. The UMS2 will reach a maximum total output of 4000mA when using a 2A output USB power adapter. When the charger is connected to a quick charge (QC) power adapter, the screen will show Quick Charge and the single slot will achieve a max output of 3000mA. A brightly lit LCD display reports real time information including battery health and charging status. The UMS2s intelligent charging technology automatically applies the appropriate charging current/voltage while allows users to manually adjust the charging current/voltage. The UMS2 supports various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 16340,14500).Specifications:* Input: DC 5V/2A 9V/2A / 18W(MAX) * Output: 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1% * Output Current QC Mode: 3,000mA*1 (MAX) 2,000mA*2 (MAX) * Output Current Standard Mode: 2,000mA*1 (MAX) 1,000mA*2 (MAX) * Compatible Battery Types: 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 * Compatible Battery Types: Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D * Dimensions: L-5.98"xW-2.87"xH-1.57"* Weight: 5.56oz

Review: Display is not accurate - Bed product .No accuracy .

## Features

- FAST AND EFFICIENT CHARGING- Reach a maximum total of 4000mA for two slots, 3000mA for one slot when pairing with a 9V QC2.0+ output USB power source. Reach a maximum 1000mA charging current per slot when paring with a standard 5V/2A USB source.
- LCD DISPLAY- Reports key realtime information such as battery health, charging status and charging mode.
- INTELLIGENT CHARGING- Automatically selects appropriate charging current and voltage to protect the batteries and prolong its lifespan
- BATTERY TYPES & SIZES - Compatible with various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 16340,14500, rechargeable AA, AAA).
- PERFECT FOR TRAVEL AND EDC - This bundle includes an organizer to keep you organized when you are on the go.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JN49XYM |
| Item Dimensions LxWxH | 15.2 x 7.3 x 4 Centimeters |
| Item Weight | 157 g |
| Item model number | UMS2 |
| Manufacturer | oem |
| Product Dimensions | 15.19 x 7.29 x 3.99 cm; 157.62 g |

## Product Details

- **Brand:** Nitecore
- **Colour:** Black
- **Item Weight:** 5.56 Ounces
- **Output Voltage:** 4.2 Volts, 5 Volts
- **Product Dimensions:** 7.3D x 15.2W x 4H Centimeters

## Images

![Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer - Image 1](https://m.media-amazon.com/images/I/71AZAgj3CpL.jpg)
![Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer - Image 2](https://m.media-amazon.com/images/I/410XOaWGJkL.jpg)
![Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer - Image 3](https://m.media-amazon.com/images/I/61gFJwC+mML.jpg)
![Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer - Image 4](https://m.media-amazon.com/images/I/61B+ZwUv6bL.jpg)
![Nitecore NITECORE UMS2 Intelligent USB Dual-Slot Superb Battery Charger and LumenTac Battery Organizer - Image 5](https://m.media-amazon.com/images/I/61S8MV7a7WL.jpg)

## Questions & Answers

**Q: My ums2 keeps going into reboot loop when at times inserting a 18650 battery; tried 2 brands of batteries; multiple usb cables; defective?**
A: 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.**
A: Yes. It can charge both protected and unprotected 21700 battery.

**Q: Does this unit have a discharge function?**
A: No, it does not have a discharge function.

**Q: Does it test for battery capacity?**
A: No. It does not display the capacity of the battery.

## Customer Reviews

### ⭐ Display is not accurate
*by P***. on 19 November 2025*

Bed product .No accuracy .

## Frequently Bought Together

- Nitecore UMS2 Intelligent USB Dual-Slot Quick Battery Charger for Li-Ion/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and More Batteries, with Organizer
- Nitecore NL2150HPi Customized Battery, only Comparable i Series Tactical Flashlights (P10i, P20i, P20iX, P23i, P30i, P35i, i4000R etc.)
- Nitecore HC35 2700 Lumen USB Rechargeable L-Shape Detachable Headlamp Flashlight, add NL2150 and LumenTac Organizer

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**Shop now:** [https://www.desertcart.sk/products/393314987-nitecore-nitecore-ums2-intelligent-usb-dual-slot-superb-battery-charger](https://www.desertcart.sk/products/393314987-nitecore-nitecore-ums2-intelligent-usb-dual-slot-superb-battery-charger)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-19*