{"product_id":"usb-single-slot-lithium-battery-charger-18650-26650-16340-14500","title":"Alasicka 1-Slot USB Lithium Battery Charger – 18650 \u0026 More","description":"\u003ch2\u003eAlasicka USB Single-Slot Lithium Battery Charger\u003c\/h2\u003e\n\u003cp\u003eKeep your rechargeable lithium batteries topped up safely and efficiently with the \u003cstrong\u003eAlasicka USB Single-Slot Lithium Battery Charger\u003c\/strong\u003e. Designed to be compatible with a wide range of popular battery sizes — including \u003cstrong\u003e18650, 26650, 16340, 14500, and 18500\u003c\/strong\u003e — this compact charger is a must-have accessory for flashlight enthusiasts, vape users, and anyone who relies on rechargeable cylindrical batteries.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Supports 18650, 26650, 16340, 14500, 18500, and similar lithium battery formats.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Powered (5V Input):\u003c\/strong\u003e Plug into any USB port — laptop, power bank, wall adapter — for convenient charging anywhere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Indicator Light:\u003c\/strong\u003e Red light during charging; switches to green when the battery is fully charged — no guesswork needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Built-in protection prevents damage if a battery is inserted incorrectly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercurrent \u0026amp; Short-Circuit Protection:\u003c\/strong\u003e Comprehensive safety circuitry safeguards both the charger and your batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Overcharge Function:\u003c\/strong\u003e No need to rush to unplug — the built-in overcharge prevention circuit stops charging automatically when the battery is full.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e At just 12 cm × 2.5 cm × 3.5 cm, this charger slips easily into a bag or drawer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e55 cm Cable Length:\u003c\/strong\u003e Generous cord length for flexible placement near a USB source.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eABS Construction:\u003c\/strong\u003e Durable, heat-resistant plastic housing for long-lasting everyday use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V USB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V \/ 1000 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650, 26650, 16340, 14500, 18500\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 cm × 2.5 cm × 3.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB Single-Slot Lithium Battery Charger (battery not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10cm-wireless-led-motion-sensor-night-light-type-c-rechargeable-cabinet-wardrobe-lamp-for-staircase-backlight-kitchen-lighting\"\u003e10CM Wireless LED Motion Sensor Night Light – Type-C Rechargeable Cabinet Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-100pcs-microfiber-towels-car-wash-drying-cloth-towel-household-cleaning-cloths-auto-detailing-polishing-cloth-home-clean-tools\"\u003eMicrofiber Towels – Car Wash \u0026amp; Home Cleaning Cloths\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel Portable Mini Saw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which battery sizes are compatible with this USB lithium battery charger?\u003c\/h4\u003e\n\u003cp\u003eA: This charger is compatible with a wide range of cylindrical lithium battery sizes, including \u003cstrong\u003e18650, 26650, 16340, 14500, and 18500\u003c\/strong\u003e batteries. It is an excellent all-around single-slot charger for the most popular rechargeable lithium formats.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I know when the battery is fully charged?\u003c\/h4\u003e\n\u003cp\u003eA: The slot features a built-in indicator light. It glows \u003cstrong\u003ered while charging\u003c\/strong\u003e and switches to \u003cstrong\u003egreen when the battery is fully charged\u003c\/strong\u003e. You can also leave the battery in after it's full — the anti-overcharge function automatically stops the charging current to protect the battery.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source do I need to use this charger?\u003c\/h4\u003e\n\u003cp\u003eA: The charger uses a standard \u003cstrong\u003e5V USB input\u003c\/strong\u003e, so it works with any USB wall adapter, laptop USB port, power bank, or car USB charger. The included cable is 55 cm long for convenient reach.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this charger come with a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, this listing includes the \u003cstrong\u003eUSB charger only\u003c\/strong\u003e. Batteries are not included and must be purchased separately.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which battery sizes are compatible with this USB lithium battery charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger is compatible with a wide range of cylindrical lithium battery sizes, including 18650, 26650, 16340, 14500, and 18500 batteries. It is an excellent all-around single-slot charger for the most popular rechargeable lithium formats.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know when the battery is fully charged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The slot features a built-in indicator light. 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