--- product_id: 724266799 title: "18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery" brand: "swanlake" price: "¥189" currency: JPY in_stock: false url: https://www.desertcart.jp/products/724266799-18650-battery-charger-single-slot-intelligent-battery-charger-for-3 store_origin: JP region: Japan --- # Smart auto current selection USB-powered for on-the-go charging Universal 3.7V Li-ion compatibility 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery **Brand:** swanlake **Price:** ¥189 **Availability:** ❌ Out of Stock ## Summary > 🔌 Power up smarter, anywhere you go! ## Quick Answers - **What is this?** 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery by swanlake - **How much does it cost?** ¥189 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/724266799-18650-battery-charger-single-slot-intelligent-battery-charger-for-3) ## Best For - swanlake enthusiasts ## Why This Product - Trusted swanlake brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart & Safe Charging:** Auto current adjustment with overcharge & heat protection for peace of mind - • **Durable & Travel-Ready:** Heat-resistant, scratch-proof PC+ABS build designed for your busy lifestyle - • **USB-Powered Convenience:** Plug into laptops or power banks—charge anywhere, anytime - • **Charge Any 3.7V Li-ion Battery:** Supports 26650, 18650, 18500, 18350 & more for ultimate versatility - • **Dual Slot Independent Charging:** Charge two batteries simultaneously without compromise ## Overview The Swanlake 18650 Battery Charger is a compact, intelligent single-slot charger compatible with a wide range of 3.7V Li-ion batteries including 18650 and 26650. Featuring USB charging for ultimate portability, it automatically selects optimal charging current and safely stops when batteries are full. Built with durable, heat-resistant materials, it’s perfect for professionals on the move who demand reliable, efficient power management. ## Description 18650 Battery Single-Slot Intelligent Battery ChargerInput: 100-240 V_ 50-60HzOutput: 4.2V + / -0.1v-1000maCharging current: 1000mA anti reverse charging / automatic protection functionApplicable range: 18650 26650 16340 14500 batterySize: 13.5 * 3.5 * 3.5 (CM)Weight: 56g ## Features - 【INTELLIGENT UNIVERSAL CHARGER】 The Battery Charger can charge simultaneously rechargeable batteries of different specifications.Suitable for 3.7V Li-ion rechargeable batteries -- 26650,18650,18500,18350,14650,16650,16340,14500,10440. - 【 CONVENIENT CHARGING INTERFACE】 USB charging help travelers can charge lithium ion batteries anytime anywhere, especially when you don’t have enough outlet,you can even simply plug into your laptop or other device. - 【 INTELLIGENT CHARGING】The charger can automatically select the best charging current and support 2-slot simultaneous independent charging.Intelligent LED charging status indicator, when the battery is full, it changes from red to green and the charger will automatically stop charging. - 【 SAFE CHARGING】:Safe and fire prevention PC+ABS material Battery Charger, with heat-resisting, low temperature resistance and scratch resistance;the battery will not be over-charged and over heat. - 【PREMIUM SERVICE】 If you have any questions, please tell us at first time. We will provide professional service to solve your problems. There is a totally risk-free purchase. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Swanlake | | Manufacturer | Jiazhounengy | | Model | 1228-1929 | | Product Dimensions | 3.48 x 13.49 x 3.48 cm; 56 g | | Item model number | 1228-1929 | | Number of items | 1 | | Batteries Included | No | | Batteries Required | No | | Battery cell composition | Lithium Ion | | Manufacturer | Jiazhounengy | | Item Weight | 56 g | ## Product Details - **Brand:** Swanlake - **Colour:** Green,Red - **Product Dimensions:** 3.5D x 13.5W x 3.5H Centimeters - **Item Weight:** 56 Grams - **Output Voltage:** 4.2 Volts ## Images ![18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery - Image 1](https://m.media-amazon.com/images/I/61rKtfYzOnL.jpg) ![18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery - Image 2](https://m.media-amazon.com/images/I/81G5+DNqZDL.jpg) ![18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery - Image 3](https://m.media-amazon.com/images/I/718gyGClRXL.jpg) ![18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery - Image 4](https://m.media-amazon.com/images/I/71qE3VWwE+L.jpg) ![18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery - Image 5](https://m.media-amazon.com/images/I/71VnR3vQ2ZL.jpg) ## Questions & Answers **Q: I just saw one buyer reply it dosen't fit 21700 battery,but you claim it fit 21700 battery,what is the truth？** A: It can charge 21700 batteries. The battery slot is 73mm long, and 21700 is 70mm long. 21700 batteries can be installed. You can check the video confirmation. If a buyer has written a wrong review, I hope you can help correct it and give the buyer the correct guidance. thank you! **Q: is it including the battery?** A: No,it not including the battery. **Q: Can this be plugged into a wall. Socket** A: It is USB charger, not DC wall charger. Unable to charge directly from the 110V power socket. It just can charge from 5V USB charging port. **Q: what is the mah?** A: 9900 mAH 3.7 v ## Frequently Bought Together - Swanlake 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,21700,18500,18350,16650 Rechargeable Battery (not Including Battery - CPZZ 3.7volt 18650 Rechargeable Battery 3.7v Batteries 18650 Rechargeable Battery Lithium 3.7 Volt Button top for flashlights and headlamp，Headlight etc (2pack-3.7v) --- ## 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/724266799-18650-battery-charger-single-slot-intelligent-battery-charger-for-3](https://www.desertcart.jp/products/724266799-18650-battery-charger-single-slot-intelligent-battery-charger-for-3) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-31*