--- product_id: 357262351 title: "IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger" brand: "imren" price: "¥6660" currency: JPY in_stock: true category: "Imren" url: https://www.desertcart.jp/products/357262351-imren-18650-battery-charger-21700-battery-charger-for-3-7v store_origin: JP region: Japan --- # 2A fast charge current Supports 3.7V Li-ion & 1.2V Ni-MH/Ni-Cd USB-C universal power input IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger **Brand:** imren **Price:** ¥6660 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smarter, faster, anywhere — never run out of juice again! ## Quick Answers - **What is this?** IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger by imren - **How much does it cost?** ¥6660 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/357262351-imren-18650-battery-charger-21700-battery-charger-for-3-7v) ## Best For - imren enthusiasts ## Why This Product - Trusted imren brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Auto-Detection:** Automatically identifies battery type and adjusts charging safely. - • **Charge Any Battery Solo:** Single-slot charging extends battery lifespan by avoiding forced pairs. - • **Powerful 2A Fast Charge:** Switch between 0.5A, 1A, and 2A for tailored charging speed. - • **On-the-Go USB-C Portability:** Charge anywhere with USB-C, from laptops to car adapters. - • **Universal Battery Compatibility:** Fits everything from AAAA to massive 26650 Li-ion batteries. ## Overview The IMREN 18650 Battery Charger is a versatile 4-bay charger compatible with a wide range of rechargeable batteries including Li-ion (3.7V) and Ni-MH/Ni-Cd (1.2V). Featuring smart auto-detection, it supports single-slot charging to extend battery life and offers adjustable charging currents up to 2A for rapid, safe charging. Its USB-C input ensures universal compatibility and portability, making it ideal for professionals who demand reliable power on the go. ## Description Buy IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger: Battery Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 【18650 Battery Charger】-The 18650 Charger for -1.2V Ni-MH Ni-Cd A/AA/AAA/AAAA 10440 14500 14650 16340 17335 17500 18500 18350 18650 18700 20700 21700 22650 25500 Battery - 【Smart 21700 Battery Charger】-The 18650 battery charger have a Single battery charging capability,You can charge any number of batteries without charging in pairs. This can better extend battery life.Intelligently identify input power and automatically adjust suitable charge current, the battery charger can automatically detect Li-ion and Ni-MH batteries and charge different type of batteries at same time and separately - 【2000mA Fast Charger】- The 20700 battery charger there current patterns, and you can freely switch between 0.5 / 1A / 2A with the middle button.The default two slots are 1A current normal charge mode, press the MODE button, automatically switch to 2000mA current fast charge mode - 【USB C Battery Charger】-USB C Powered Universal Intelligent 18650 Battery Charger, allows for on the go worldwide portability.the USB charging cable can be connected to USB socket, car charger, computer, phone adapter, other USB output equipment to charge - 【75MM Long Slot】 -The 21700 battery charger has 75 mm slot, support Battery less than 75 mm, such as 21700 20700 26650 18650 battery with botton top - 【What You'll Get:】 - 1 IMREN 4 bay 3.7V/1.2V battery charger, 1 Type-C cable, user manual, (Do not charge non-rechargeable batteries.) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B094C6GDT2 | | Amperage | 2 A | | Best Sellers Rank | #1,486 in Automotive ( See Top 100 in Automotive ) #20 in Battery Chargers | | Brand | Imren | | Color | Black | | Compatible Devices | Devices using 18650, 21700, 14500, and other compatible rechargeable batteries | | Connector Type Used on Cable | USB-C | | Current Rating | 2 A | | Customer Reviews | 4.6 out of 5 stars 1,147 Reviews | | External Testing Certification | CE | | Input Voltage | 5 volts | | Item Dimensions D x W x H | 4.72"D x 3.74"W x 1.37"H | | Item Weight | 5.93 ounces | | Manufacturer | Hunan Aimeiren New Energy Co., Ltd. | | Mfr Part Number | K4 | | Model Number | k4 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Ports | 2 | | Output Voltage | 4.2 volts | | Product Dimensions | 4.72"D x 3.74"W x 1.37"H | | Specification Met | CE, RoHS | | Unit Count | 4 Count | | Warranty Description | 12 | ## Product Details - **Brand:** Imren - **Color:** Black - **Item Weight:** 5.93 ounces - **Output Voltage:** 4.2 volts - **Product Dimensions:** 4.72"D x 3.74"W x 1.37"H ## Images ![IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger - Image 1](https://m.media-amazon.com/images/I/61vaaJZoKiL.jpg) ## Available Options This product comes in different **Model** options. ## Questions & Answers **Q: Is it easy to insert batteries into the charger?** A: Yes easy to use spring loaded connection ## Frequently Bought Together - IMREN 18650 Battery Charger,21700 Battery Charger for 3.7V 14500 10400 18500 18350 18650 18700 20700 21700 22650 26650 Li-ion Battery,1.2V Ni-MH/Ni-Cd Battery,4 Bay 18650 USB C Charger - Imren 9V Rechargeable Lithium Batteires, 3600mWh USB 9 Volt Li-ion Rechargeable Battey Long-Lasting，with 4-in-1 USB-C Charging Cable, 1.5 Hrs Fast Charging for Smoke Detector/Alarms,4 Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/357262351-imren-18650-battery-charger-21700-battery-charger-for-3-7v](https://www.desertcart.jp/products/357262351-imren-18650-battery-charger-21700-battery-charger-for-3-7v) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-31*