---
product_id: 624041524
title: "UMS2 Intelligent QC Dual-Slot Quick Battery Charger for Li-Ion/IMR/LiFePO4/Ni-MH/Ni-Cd 14500 16340 18350 18650 20700 21700 AA AAA with NITECORE Tag"
brand: "nitecore"
price: "$155"
currency: NZD
in_stock: true
reviews_count: 6
category: "Nitecore"
url: https://www.desertcart.nz/products/624041524-ums2-intelligent-qc-dual-slot-quick-battery-charger-for-li
store_origin: NZ
region: New Zealand
---

# 4000mA max output Real-time LCD battery health info Charges 2 batteries simultaneously UMS2 Intelligent QC Dual-Slot Quick Battery Charger for Li-Ion/IMR/LiFePO4/Ni-MH/Ni-Cd 14500 16340 18350 18650 20700 21700 AA AAA with NITECORE Tag

**Brand:** nitecore
**Price:** $155
**Availability:** ✅ In Stock

## Summary

> 🔌 Charge smarter, faster, and safer — never miss a beat!

## Quick Answers

- **What is this?** UMS2 Intelligent QC Dual-Slot Quick Battery Charger for Li-Ion/IMR/LiFePO4/Ni-MH/Ni-Cd 14500 16340 18350 18650 20700 21700 AA AAA with NITECORE Tag by nitecore
- **How much does it cost?** $155 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/624041524-ums2-intelligent-qc-dual-slot-quick-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

- • **Safety-First Design:** Multiple safeguards including reverse polarity, short circuit, and temperature regulation for worry-free charging.
- • **Smart LCD Dashboard:** Stay informed with real-time battery health, voltage, current, and charging time displayed clearly.
- • **USB-C & Outdoor Ready:** Versatile USB-C port compatible with power banks and solar panels ensures endless power on the go.
- • **Tailored Charging Modes:** Automatic and manual selection of CC, CV, and -dV/dt modes to optimize battery lifespan and performance.
- • **Power-Packed Dual Charging:** Simultaneously charges two batteries with up to 4000mA total output for ultra-fast power-ups.

## Overview

The NITECORE UMS2 is a cutting-edge intelligent dual-slot battery charger supporting a wide range of rechargeable batteries including Li-ion, IMR, LiFePO4, Ni-MH, and Ni-Cd. With a maximum output of 4000mA, it charges two batteries simultaneously and features a detailed LCD screen displaying real-time battery health and charging parameters. Its advanced charging algorithms and multiple safety protections ensure optimal battery longevity and user safety. The USB-C input allows flexible power sources, making it ideal for both professional and outdoor use.

## Description

UMS2 is a QC input available intelligent USB dual-slot superb charger with a total max output of 4,000 mA and a single slot max output of 3,000 mA. With LCD display for real-time charging information, it is equipped with a USB charging port for outdoor charging.

Review: Not quite as good as the D2 - Works OK, but not really as well featured as the D2 I bought this charger to replace; not mains powered for starters and doesn't have an option to dim the display.
Review: This will charge any rechargeable battery that will fit in the slot and if you are a geek it provides enough information while charging since i try not to fully charge my batteries. My main use for this charger is for the 21750 battery in the newer high performance flashlights.

## Features

- NITECORE is launching its brand-new UMS2, which is a QC input available intelligent USB dual-slot superb with a total max output of 4,000 mA and a single slot max output of 3,000 mA and is capable of charging 2 batteries simultaneously and controlling each slot independently. It only takes 55 minutes to charge 80% of a 3,500mAh battery.
- The LCD screen can display a real-time information of Battery Health by “Good” or “Poor”, Internal Resistance, Charging Current, Battery Voltage, Charged Volume and Charging time. It can enable an automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode and automatic selection between 3 charging modes (CC, CV and -dV/dt). The charging parameters can be set manually to meet various charging needs.
- UMS2 incorporates an optimized IMR battery charging program, which is able to monitor the entire charging process, ensuring that the cut-off voltage is always within safe limits to extend the lifespan of the batteries. The UMS2 is compatible with 3.6V/3.7V Li-ion rechargeable batteries, 3.8V Li-ion rechargeable batteries, 1.2V Ni-MH/Ni-Cd rechargeable batteries and 3.2V LiFePO4 batteries.
- Multiple safeguards ensure the safe charging process, including automatic battery internal resistance detection, anti-short circuiting and reverse polarity protection, overtime charging protection, over-discharged Li-ion battery activation and over-discharged IMR battery restoration. Apart from being constructed from durable and fire retardant PC materials, the built-in temperature regulation system is designed to prevent the overheat and to ensure the stability of the charging process.
- The specially designed USB-C port is compatible with various mobile power source, solar panel and USB adaptors to ensure endless power supply.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C77KK1HN |
| Best Sellers Rank | 49,104 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 438 in Household Battery Chargers |
| Guaranteed software updates until | unknown |
| Manufacturer | SYSMAX Innovations Co., Ltd. |
| Manufacturer reference | NIT-UMS2 |
| Product Dimensions | 15 x 4 x 7.6 cm; 272 g |

## Product Details

- **Brand:** Nitecore
- **Colour:** Black
- **Item weight:** 0.27 Kilograms
- **Output voltage:** 5 Volts
- **Specification met:** CE

## Images

![UMS2 Intelligent QC Dual-Slot Quick Battery Charger for Li-Ion/IMR/LiFePO4/Ni-MH/Ni-Cd 14500 16340 18350 18650 20700 21700 AA AAA with NITECORE Tag - Image 1](https://m.media-amazon.com/images/I/71BbTmwOdcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Not quite as good as the D2
*by R***. on 2 September 2025*

Works OK, but not really as well featured as the D2 I bought this charger to replace; not mains powered for starters and doesn't have an option to dim the display.

### ⭐⭐⭐⭐⭐ Review
*by D***R on 28 November 2025*

This will charge any rechargeable battery that will fit in the slot and if you are a geek it provides enough information while charging since i try not to fully charge my batteries. My main use for this charger is for the 21750 battery in the newer high performance flashlights.

### ⭐⭐⭐⭐⭐ Review
*by F***O on 12 January 2026*

Llego muy bien! Sirve a la perfección, ya tengo varios de esta marca y no fallan! Vino con conexión usb-c

## Frequently Bought Together

- NITECORE UMS2 Intelligent QC Dual-Slot Quick Battery Charger for Li-Ion/IMR/LiFePO4/Ni-MH/Ni-Cd 14500 16340 18350 18650 20700 21700 AA AAA with NITECORE Tag
- 2X Nitecore IMR 18350 NI18350A 700mAh 3.7V Button Top Rechargeable Battery (This is NOT a Replacement for CR123A)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-04*