{"product_id":"18650-li-ion-usb-battery-charger-2-4-slot-smart-charger","title":"18650 Li-Ion USB Battery Charger – 2 \u0026 4 Slot Smart Charger","description":"\n\u003ch2\u003eCharge Smarter with the 18650 USB Li-Ion Battery Charger\u003c\/h2\u003e\n\u003cp\u003eKeep your rechargeable lithium-ion batteries topped up and ready to go with this compact, intelligent USB battery charger. Available in 2-slot and 4-slot configurations — and in convenient multi-packs of 1, 3, or 5 units — this charger is ideal for households, workshops, and anyone who relies on high-capacity 18650 cells and other popular Li-Ion battery formats.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with 10440, 14500, 14650, 16340, 16650, 18350, 18500, and 18650 lithium-ion batteries — one charger for virtually all your Li-Ion needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndependent Charging Slots:\u003c\/strong\u003e Each slot charges independently with zero cross-slot interference, so you can mix battery types or sizes without issue.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Auto-Cutoff:\u003c\/strong\u003e Smart circuitry monitors charge level and automatically stops at 4.23V to prevent overcharging and protect battery longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-Color Indicator Lights:\u003c\/strong\u003e Glowing red during charging, switching to green when fully charged — no guessing, no hassle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal USB Power Input:\u003c\/strong\u003e Connects via USB with a voltage range of 5–20V DC, compatible with most USB adapters, power banks, and laptop ports.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Input:\u003c\/strong\u003e AC 110–240V, 50\/60Hz — suitable for use in virtually any country.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e DC 4.2V at 600mA per slot — steady, reliable charging without rushing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Compact:\u003c\/strong\u003e Lightweight design makes it easy to toss in a bag, keep at a desk, or pack for travel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Pack Options:\u003c\/strong\u003e Available in 1, 3, or 5-piece sets — stock up and save.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlot Options:\u003c\/strong\u003e 2-slot or 4-slot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC 110–240V, 50\/60Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Input Range:\u003c\/strong\u003e 5–20V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 4.2V, 600mA per slot\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharge Cutoff Voltage:\u003c\/strong\u003e 4.23V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e Red (charging) \/ Green (full)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Batteries:\u003c\/strong\u003e 10440, 14500, 14650, 16340, 16650, 18350, 18500, 18650\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003eYour selected quantity of USB Li-Ion battery chargers (batteries not included).\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-5m-nylon-braided-3-5mm-aux-audio-cable-car-phone-headphone\"\u003e1.5M Nylon Braided 3.5mm AUX Audio Cable | Car, Phone \u0026amp; Speaker\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-50-psi-dial-tire-pressure-gauge-car-motorcycle-bike\"\u003e0–50 PSI Dial Tire Pressure Gauge – Car, Motorcycle \u0026amp; Bike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on safe battery charging practices, visit the U.S. Consumer Product Safety Commission (CPSC) Lithium Battery Safety Guide.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery sizes is this 18650 charger compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This smart Li-Ion charger is compatible with a wide range of cylindrical lithium-ion batteries including 10440, 14500, 14650, 16340, 16650, 18350, 18500, and 18650 formats — making it one of the most versatile options available.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I charge different battery sizes at the same time in the same charger?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! Each slot operates independently with no cross-slot interference, so you can safely charge different battery sizes or capacities simultaneously without any issues.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will this charger overcharge my batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No. The built-in intelligent auto-cutoff function stops charging automatically once the battery reaches 4.23V, protecting your batteries from overcharging and extending their overall lifespan.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do batteries come included with the charger?\u003c\/h4\u003e\n\u003cp\u003eA: Batteries are not included. This listing is for the charger unit(s) only. You will need to supply your own compatible Li-Ion batteries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this charger suitable for international use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The AC input supports 110–240V at 50\/60Hz, making it compatible with power outlets in most countries around the world.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery sizes is this 18650 charger compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This smart Li-Ion charger is compatible with a wide range of cylindrical lithium-ion batteries including 10440, 14500, 14650, 16340, 16650, 18350, 18500, and 18650 formats — making it one of the most versatile options available.\"}}, {\"@type\": \"Question\", \"name\": \"Can I charge different battery sizes at the same time in the same charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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The AC input supports 110–240V at 50\/60Hz, making it compatible with power outlets in most countries around the world.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Chargers \u0026 Cables\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/chargers-cables\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18650 Li-Ion USB Battery Charger – 2 \u0026 4 Slot Smart Charger\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/18650-li-ion-usb-battery-charger-2-4-slot-smart-charger\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"4 Slots USB-5pcs","offer_id":54189375258934,"sku":"14:4#4 Slots USB-5pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"4 Slots USB-3pcs","offer_id":54189375291702,"sku":"14:200003428#4 Slots USB-3pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"4 Slots USB-4pcs","offer_id":54189375324470,"sku":"14:350850#4 Slots USB-4pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"4 Slots USB-1pcs","offer_id":54189375357238,"sku":"14:366#4 Slots USB-1pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"4 Slots USB-2pcs","offer_id":54189375390006,"sku":"14:1052#4 Slots USB-2pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"2 Slots USB-4pcs","offer_id":54189375422774,"sku":"14:175#2 Slots USB-4pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"2 Slots USB-5pcs","offer_id":54189375455542,"sku":"14:193#2 Slots USB-5pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"2 Slots USB-2pcs","offer_id":54189375488310,"sku":"14:29#2 Slots USB-2pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"2 Slots USB-3pcs","offer_id":54189375521078,"sku":"14:173#2 Slots USB-3pcs","price":68.36,"currency_code":"USD","in_stock":false},{"title":"2 Slots USB-1pcs","offer_id":54189375553846,"sku":"14:200004890#2 Slots USB-1pcs","price":68.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/S4ba2c1021ab64993b36834ee88eb75eac.webp?v=1783273956","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/18650-li-ion-usb-battery-charger-2-4-slot-smart-charger","provider":"Zpaxo","version":"1.0","type":"link"}