{"product_id":"smart-li-ion-battery-charger-18650-26650-21700-adjustable-current-1","title":"Smart Li-ion Battery Charger 18650 26650 21700 – Adjustable Current","description":"\u003ch2\u003eAlasicka Smart Li-ion Battery Charger – Universal Compatibility \u0026amp; Adjustable Current\u003c\/h2\u003e\n\u003cp\u003eKeep all your rechargeable Li-ion batteries topped up and ready with the \u003cstrong\u003eAlasicka LM102B Smart Battery Charger\u003c\/strong\u003e. Engineered with intelligent charging technology, this compact charger automatically identifies your battery type and selects the optimal charge rate — so you never have to guess. With three selectable current settings and support for an impressive range of cylinder cell sizes, it's the only charger you'll ever need for your flashlights, power tools, vaping mods, and everyday devices.\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 26700, 26650, 26500, 25500, 22700, 21700, 20700, 22650, 22500, 18700, 18650, 18500, 18490, 18350, 17650, 16650, 16340 (RCR123), 14650, 14500, and 10440 Li-ion batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Charging Current:\u003c\/strong\u003e Choose from 0.5A, 1.0A, or 2.0A to suit battery capacity and desired charge speed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Charging Technology:\u003c\/strong\u003e Automatically detects battery status and applies the safest, most efficient charge curve\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Charge Capable:\u003c\/strong\u003e Get your batteries back to full capacity faster when you need them\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-Slot Independent Charging:\u003c\/strong\u003e Charges a single cell at a time with dedicated monitoring for consistent results\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicro-USB Power Input:\u003c\/strong\u003e Conveniently powered via any standard Micro-USB cable — use a phone charger, power bank, or USB port\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 3.7V – 4.2V to match standard Li-ion cell requirements\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets international safety and electromagnetic compliance standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 123 × 50 × 32 mm and weighs only 48g — ideal for home, travel, or on-the-go use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM102B\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlasicka\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicro USB (DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V – 4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤37.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5A \/ 1.0A \/ 2.0A (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e123 × 50 × 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Alasicka LM102B Smart Battery Charger\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: Batteries are NOT included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also 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 \u0026amp; Wardrobe Lamp\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inflatable-waist-cushion-travel-waist-support-portable-inflatable-waist-cushion-travel-pillow-complimentary-storage-bag\"\u003ePortable Inflatable Waist Cushion – Travel Support Pillow with Storage Bag\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\"\u003ePrecision Japanese Double-Edged Hand Saw – SK5 Steel Portable Mini Tool\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: What battery sizes are compatible with this smart Li-ion battery charger?\u003c\/h4\u003e\n\u003cp\u003eA: This charger is compatible with a wide range of cylindrical Li-ion cells, including 18650, 26650, 21700, 20700, 18350, 16340 (RCR123), 14500, 10440, and many more. Please refer to the full compatibility list in the product specifications above to confirm your battery size is supported.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I connect this charger to a power source?\u003c\/h4\u003e\n\u003cp\u003eA: The Alasicka LM102B uses a standard Micro-USB input, so you can power it using any Micro-USB cable connected to a USB wall adapter, laptop USB port, or portable power bank. The cable is not included, but any standard Micro-USB cable will work.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I adjust the charging current, and why would I want to?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — you can select between 0.5A, 1.0A, and 2.0A. Lower currents (0.5A) are gentler on smaller or older cells, helping extend their lifespan, while higher currents (2.0A) charge larger batteries more quickly when you're in a hurry.\u003c\/p\u003e\n\u003ch4\u003eQ: Are batteries included with this charger?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. The package contains only the LM102B battery charger unit. Please purchase compatible rechargeable Li-ion batteries 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\": \"What battery sizes are compatible with this smart Li-ion battery charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger is compatible with a wide range of cylindrical Li-ion cells, including 18650, 26650, 21700, 20700, 18350, 16340 (RCR123), 14500, 10440, and many more. 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