---
product_id: 740204718
title: "Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer"
brand: "nitecore"
price: "₨4443"
currency: SCR
in_stock: true
reviews_count: 5
url: https://www.desertcart.sc/products/740204718-nitecore-ums2-dual-slot-usb-smart-battery-charger-for-li
store_origin: SC
region: Seychelles
---

# 4000mA max dual-slot fast charge Real-time LCD battery & charge status Universal Li-ion/NiMH/NiCd compatibility Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer

**Brand:** nitecore
**Price:** ₨4443
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up smarter, faster, everywhere you go!

## Quick Answers

- **What is this?** Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer by nitecore
- **How much does it cost?** ₨4443 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/740204718-nitecore-ums2-dual-slot-usb-smart-battery-charger-for-li)

## 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 & Safe Charging 🔒:** Automatically adjusts current and voltage to maximize battery lifespan and prevent overcharge risks.
- • **Turbocharge Your Power ⚡:** Delivers up to 4000mA total output with QC2.0+ USB for lightning-fast dual battery charging.
- • **Stay Informed Instantly 📊:** Bright LCD screen provides real-time updates on battery health, charge mode, and status—no guesswork needed.
- • **Travel-Ready Organization 🎒:** Includes a sleek LumenTac battery organizer to keep your power essentials neat and accessible on the go.
- • **All-in-One Battery Solution 🔋:** Supports a wide range of battery chemistries and sizes from 16340 to 21700, plus AA/AAA—perfect for every device.

## Overview

The Nitecore UMS2 is a dual-slot smart USB battery charger engineered for professionals who demand speed, safety, and versatility. It supports multiple battery chemistries and sizes, delivering up to 4000mA total output with QC2.0+ fast charging. Featuring an intuitive LCD display and intelligent charging technology, it ensures optimal battery health while keeping you informed in real time. Compact and travel-friendly, it includes a battery organizer to keep your power essentials perfectly arranged.

## Description

Introducing the Nitecore UMS2 Smart Battery Charger with Dual USB Slot designed to charge your batteries quickly, safely 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 fast charging power adapter (QC), the screen will show fast charging, and the single slot will reach a maximum output of 3000mA. The bright LCD screen informs you in real time, including battery status and charging status. UMS2s intelligent charging technology automatically applies the appropriate charging current/voltage while allowing users to manually adjust the charging current/voltage. The UMS2 is compatible with various battery types (Li-Ion/imr/Lifep04/ni-cd/ni-mh) and common battery sizes, including (18650, 16340, 14500). Specification: * Input: DC 5V/2A 9V/2A/18W (max). * Output: 4.35V ± 1% / 4.2V ± 1% / 3.7V ± 1% / 1.48V ± 1% * Output Current Mode: 3000mA * 1 (Max) 2000mA * 2 (Max) * Standard Output Mode: 2000mA x 1(Max) 1000mA x 2(Max) * Compatible battery types: IMR/Li-ion/LiFePO4: 10440, 14500, 14650, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490 185000 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26650, 26700, 26700 * Compatible battery types: Ni-MH/Ni-CD: AA, AAA, AAAA, C, D. * Dimensions: 14cm long x 6cm wide x 4cm high * Weight: 140g

Review: Display is not accurate
Review: Really Impressive Charger, Big Upgrade from My Old One, Speedy, Easy, and Informative!

## Features

- Fast & Efficient Charging: Reaches a maximum total of 4000mA for two slots, 3000mA for one slot when paired with 9V QC2.0+ USB power source. It reaches a maximum charging current of 1000mA per slot when used with standard 5V/2A USB source.
- LCD display: reports key information in real time such as battery status, charging status and charging mode.
- Intelligent Charging: Automatically selects the appropriate charging current and voltage to protect the batteries and extend their service life.
- BATTERY TYPES & SIZES: Compatible with various battery types (Li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes, including (18650, 16340, 14500, AA rechargeable, AAA).
- Perfect for travel and EDC. This package includes a LumenTac battery organizer to keep you organized when you're on the go.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JN49XYM |
| Brand | Nitecore |
| Color | Black |
| Colour | Black |
| Current Rating | 2 Amps |
| Customer Reviews | 4.4 out of 5 stars 773 Reviews |
| Input Voltage | 5 Volts |
| Input voltage | 5 Volts |
| Item Weight | 5.56 Ounces |
| Item weight | 5.56 Ounces |
| Manufacturer | NITECORE |
| Mfr Part Number | UMS2+ORG |
| Output Voltage | 4.35 Volts (DC) |
| Output voltage | 4.35 Volts (DC) |
| Specification Met | CE |
| Specification met | CE |

## Product Details

- **Brand:** Nitecore
- **Colour:** Black
- **Item weight:** 5.56 Ounces
- **Output voltage:** 4.35 Volts (DC)
- **Specification met:** CE

## Images

![Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer - Image 1](https://m.media-amazon.com/images/I/71AZAgj3CpL.jpg)
![Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer - Image 2](https://m.media-amazon.com/images/I/410XOaWGJkL.jpg)
![Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer - Image 3](https://m.media-amazon.com/images/I/61gFJwC+mML.jpg)
![Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with Battery Organizer - Image 4](https://m.media-amazon.com/images/I/61B+ZwUv6bL.jpg)
![Nitecore UMS2 Dual Slot USB Smart Battery Charger for Li-on/Ni-MH/Ni-Cd/IMR 16340 14500 18650 21700 20700 AA AAA and Other Batteries with 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*



### ⭐⭐⭐⭐⭐ Really Impressive Charger, Big Upgrade from My Old One, Speedy, Easy, and Informative!
*by C***. on 15 August 2025*



### ⭐⭐⭐⭐⭐ Great Recharger
*by W***K on 21 February 2026*



## 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
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- 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.sc/products/740204718-nitecore-ums2-dual-slot-usb-smart-battery-charger-for-li](https://www.desertcart.sc/products/740204718-nitecore-ums2-dual-slot-usb-smart-battery-charger-for-li)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-03-16*