--- product_id: 740204718 title: "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: "99553CFA" currency: XOF in_stock: true url: https://www.desertcart.sn/products/740204718-ums2-dual-slot-usb-smart-battery-charger-for-li-on store_origin: SN region: Senegal --- # 4000mA max dual-slot fast charge Real-time LCD battery & charge status Supports Li-ion/NiMH/IMR/AA/AAA batteries 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:** 99553CFA **Availability:** βœ… In Stock ## Summary > πŸ”Œ Power up smarter, faster, everywhere you go! ## Quick Answers - **What is this?** 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?** 99553CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/740204718-ums2-dual-slot-usb-smart-battery-charger-for-li-on) ## 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 - β€’ **Smart & Safe Charging πŸ”’:** Intelligent current and voltage adjustment protects batteries and extends their lifespan. - β€’ **Turbocharge Your Power ⚑:** Dual slots deliver up to 4000mA total for lightning-fast charging with QC2.0+ USB adapters. - β€’ **Stay Informed Instantly πŸ“Š:** Bright LCD screen keeps you updated on battery health, charge mode, and progress in real time. - β€’ **Travel-Ready Organization πŸŽ’:** Includes a sleek LumenTac battery organizer to keep your power essentials neat and accessible on the go. - β€’ **Universal Battery Compatibility πŸ”‹:** Works seamlessly with Li-ion, IMR, Ni-MH, Ni-Cd, and common sizes like 18650, AA, AAA, and more. ## Overview The Nitecore UMS2 is a dual-slot smart battery charger delivering up to 4000mA total output with QC2.0+ USB power sources. Featuring a real-time LCD display, it intelligently adjusts charging current and voltage to protect and extend battery life. Compatible with a wide range of battery chemistries and sizesβ€”including Li-ion, IMR, Ni-MH, AA, and AAAβ€”this compact charger also includes a LumenTac organizer, making it the perfect travel companion for professionals who demand efficient, safe, and versatile power management. ## 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 Β± 1% / 4.2V Β± 1% / 3.7V Β± 1% / 1.48V Β± 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 ## 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 | | Amperage | 3000 Amps | | Brand | Nitecore | | Color | Black | | Current Rating | 2 Amps | | Customer Reviews | 4.4 4.4 out of 5 stars (791) | | Input Voltage | 5 Volts | | Item Weight | 5.56 Ounces | | Manufacturer | NITECORE | | Mfr Part Number | UMS2+ORG | | Model Number | UMS2 | | Number of Ports | 2 | | Output Voltage | 4.35 Volts (DC) | | Specification Met | CE | ## Product Details - **Brand:** Nitecore - **Colour:** Black - **Item weight:** 5.56 Ounces - **Output voltage:** 4.35 Volts (DC) - **Specification met:** CE ## Images ![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) ## 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. ## 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/740204718-ums2-dual-slot-usb-smart-battery-charger-for-li-on](https://www.desertcart.sn/products/740204718-ums2-dual-slot-usb-smart-battery-charger-for-li-on) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-06-21*