{"product_id":"smart-18650-lithium-battery-charger-eu-us-plug-dc3-5-dc5-5","title":"Smart 18650 Lithium Battery Charger – EU\/US Plug DC3.5 DC5.5","description":"\n\u003ch2\u003eAlasicka Smart 18650 Lithium Battery Charger – EU \u0026amp; US Plug Compatible\u003c\/h2\u003e\n\u003cp\u003eKeep your flashlights, headlamps, and other lithium-powered devices always ready to go with the \u003cstrong\u003eAlasicka Smart 18650 Lithium Battery Charger\u003c\/strong\u003e. Designed for 3.7V\/4.2V lithium-ion batteries, this compact, direct-charge smart charger supports both \u003cstrong\u003eDC3.5mm and DC5.5mm\u003c\/strong\u003e connector styles (flat and round), making it versatile for a wide range of devices. With built-in smart charging protection and a clear LED indicator system, charging is safe, simple, and automatic.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Voltage Input:\u003c\/strong\u003e Works with 110V–240V AC power, compatible with both EU and US plug standards — perfect for home use or travel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Auto-Stop Charging:\u003c\/strong\u003e Automatically stops charging when the battery reaches full capacity (4.2V output), preventing overcharging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Status Indicator:\u003c\/strong\u003e Red light activates during charging; switches to green when fully charged — no guesswork required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protections:\u003c\/strong\u003e Anti-overcharge, anti-short circuit, and high-stability circuitry ensure safe, reliable charging every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Suitable for 18650 lithium-ion batteries with capacities from 500mAh to 5000mAh, used in strong flashlights, headlamps, and other electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Connector Options:\u003c\/strong\u003e Available in flat DC3.5mm, round DC3.5mm, flat DC5.5mm, and round DC5.5mm plug configurations to match your device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Durable Design:\u003c\/strong\u003e Measures just 60×22×65mm — lightweight and wear-resistant for everyday convenience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets European safety and quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\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\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110V – 240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350mA\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\u003eConnector Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat DC3.5mm, Round DC3.5mm, Flat DC5.5mm, Round DC5.5mm\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 Lithium-Ion (500mAh–5000mAh)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlug Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEU \/ US\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 × 22 × 65mm\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\u003eCharging Duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–8 hours (varies by battery capacity)\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 × Smart 18650 Lithium Battery Charger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Batteries and other accessories are not included.\u003c\/em\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 Wardrobe 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\"\u003e1–100Pcs Microfiber Towels – Car Wash, Drying \u0026amp; Household 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\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 types are compatible with this 18650 smart charger?\u003c\/h4\u003e\n\u003cp\u003eA: This charger is designed specifically for \u003cstrong\u003e3.7V\/4.2V 18650 lithium-ion batteries\u003c\/strong\u003e with capacities ranging from 500mAh to 5000mAh. It is ideal for batteries used in flashlights, headlamps, and similar electronics with DC3.5mm or DC5.5mm charging ports.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know when my battery is fully charged?\u003c\/h4\u003e\n\u003cp\u003eA: The charger features a built-in \u003cstrong\u003eLED indicator\u003c\/strong\u003e: the red light turns on while charging is in progress, and it switches to \u003cstrong\u003egreen when the battery is fully charged\u003c\/strong\u003e. The charger also automatically stops charging to prevent overcharging.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this charger compatible with both EU and US wall outlets?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This charger supports a wide \u003cstrong\u003einput voltage range of 110V–240V AC\u003c\/strong\u003e, making it compatible with both EU and US electrical standards. Simply select the appropriate plug version for your region.\u003c\/p\u003e\n\u003ch4\u003eQ: What connector sizes does this charger support?\u003c\/h4\u003e\n\u003cp\u003eA: It is available in four connector configurations: \u003cstrong\u003eflat DC3.5mm, round DC3.5mm, flat DC5.5mm, and round DC5.5mm\u003c\/strong\u003e. Be sure to match the connector type to your device's charging port before ordering.\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 types are compatible with this 18650 smart charger?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger is designed specifically for 3.7V\/4.2V 18650 lithium-ion batteries with capacities ranging from 500mAh to 5000mAh. 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