{"product_id":"dual-18650-lithium-battery-charger-4-2v","title":"Dual 18650 Lithium Battery Charger 4.2V","description":"\u003cp\u003e\u003cstrong\u003eReliable dual-slot charging for your 18650 batteries.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis dual 18650 battery charger is designed specifically for 3.7V rechargeable lithium 18650 cells, charging them safely up to the standard 4.2V cut-off voltage. With two independent charging bays, you can charge one or two batteries at the same time without affecting each other's performance or safety.\u003c\/p\u003e\u003cp\u003eThe charger uses an intelligent charging circuit that automatically detects battery status and adjusts the charging current accordingly. Integrated protection features help guard against overcharge, overheating, and short-circuit conditions to support consistent performance and longer battery life. Each slot includes an LED indicator that clearly shows charging status and full-charge completion, so you can see at a glance when your batteries are ready to use.\u003c\/p\u003e\u003cp\u003eIts compact, lightweight design makes it easy to keep on your desk, in your toolkit, or in a travel bag. Compatible with common USB power sources (such as wall adapters, power banks, or car USB ports via an appropriate cable or adapter), this charger is a practical solution for keeping 18650-powered flashlights, headlamps, tools, and other electronics ready to go.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy It's a Smart Choice\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDual independent slots\u003c\/strong\u003e - Charge one or two 18650 batteries at the same time with separate control and monitoring for each bay.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntelligent 4.2V charging\u003c\/strong\u003e - Optimized charging profile for 18650 lithium cells helps support faster, safer, and more consistent charging.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt-in safety protection\u003c\/strong\u003e - Overcharge, overheat, and short-circuit protection help reduce risk and support longer battery lifespan.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Which batteries are compatible with this charger?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This charger is designed for standard 3.7V rechargeable lithium 18650 batteries that charge up to 4.2V. It is not intended for NiMH, NiCd, or non-rechargeable cells.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I charge only one battery at a time?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Each slot operates independently, so you can charge a single 18650 battery or two at once.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know when the batteries are fully charged?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The LED indicator for each slot changes status when charging is complete, clearly showing that the battery has reached full charge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What power sources can I use?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The charger can be powered from a compatible USB power source such as a USB wall adapter, power bank, or car USB port, using an appropriate cable or adapter (not always included, depending on the package).\u003c\/p\u003e","brand":"HitMyNeed","offers":[{"title":"2-slots","offer_id":49890015871253,"sku":"200001466_2SLOTS","price":20.95,"currency_code":"USD","in_stock":true},{"title":"1-slots","offer_id":49890015904021,"sku":"200001466_1SLOTS","price":19.95,"currency_code":"USD","in_stock":true},{"title":"4-slots","offer_id":49890015936789,"sku":"200001466_4SLOTS","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6105\/5509\/files\/dual-18650-lithium-battery-charger-4_2v-2-slots-1-hitmyneed.jpg?v=1777520778","url":"https:\/\/hitmyneed.com\/products\/dual-18650-lithium-battery-charger-4-2v","provider":"HitMyNeed","version":"1.0","type":"link"}