{"product_id":"18650-li-ion-battery-charger-12-6v-2a-21v-1a-screwdriver-wrench","title":"18650 Li-Ion Battery Charger 12.6V 2A \/ 21V 1A – Power Tools","description":"\n\u003ch2\u003e18650 Lithium Battery Charger – 12.6V 2A \/ 21V 1A for 12V \u0026amp; 18V Power Tools\u003c\/h2\u003e\n\u003cp\u003eKeep your cordless screwdrivers, wrenches, and other 18V\/12V power tool battery packs charged and ready with this compact, intelligent 18650 Li-Ion Battery Charger. Featuring automatic charge termination, a built-in LED status indicator, and a wide universal AC input, this charger is a practical must-have for any workshop or toolbox.\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\u003eDual Output Options:\u003c\/strong\u003e Choose 12.6V \/ 2A for 12V Li-Ion packs, or 21V \/ 1A for 18V Li-Ion battery packs — perfect for a wide range of cordless power tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Auto-Stop:\u003c\/strong\u003e Red LED indicates charging in progress; switches to green and automatically stops when the battery is fully charged — no overcharging, no guesswork.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal AC Input:\u003c\/strong\u003e Accepts AC 100–240V, 50\/60Hz — compatible with EU and US wall outlets right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 5.5mm × 2.1mm \/ 2.5mm Plug:\u003c\/strong\u003e Standard barrel connector fits most compatible 12V and 18V battery packs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets internationally recognised safety and environmental compliance standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Weighs approximately 100g — easy to store in your toolbox or carry to job sites.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Screen Included:\u003c\/strong\u003e Visual charging status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePatented Design:\u003c\/strong\u003e Built for reliable, consistent charging performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAC 100–240V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput – Option 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e21V \/ 1A (Voltage: 18V–22V, Current: 0–1A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput – Option 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12.6V \/ 2A (Voltage: 10.8V–13V, Current: 0–2A)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMax Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e≤37.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDC Plug Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5.5 × 2.1mm \/ 5.5 × 2.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCharger Plug\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eEU \/ US\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eApprox. 100g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e18650 Li-Ion battery packs (12V \/ 18V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eThis charger is designed specifically for 18650 Li-Ion battery packs as described above. Output voltage and current values are dynamic and will vary based on the battery's current charge level. Performance may differ when used with other electronics due to device impedance. \u003cstrong\u003eBattery is not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Li-Ion Battery Charger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-displayport-to-hdmi-cable-4k-dp-adapter-pc-hdtv-projector\"\u003e1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC \u0026amp; TV\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-8m-usb-c-to-hdmi-cable-4k-macbook-laptop-phone\"\u003e1.8M USB-C to HDMI Cable 4K – MacBook, Laptop \u0026amp; Phone\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-12v-3-pin-pc-fan-power-extension-cable-26cm-cpu-gpu-cooler\"\u003e10-Pack 12V 3-Pin PC Fan Extension Cable 26cm – CPU GPU Cooler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on the safe use and handling of lithium-ion batteries, refer to the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Battery_charger\" target=\"_blank\" rel=\"noopener\"\u003eBattery charger\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types is this 18650 lithium battery charger compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This charger is designed for 18650 Li-Ion rechargeable battery packs rated at 12V (using the 12.6V \/ 2A output) or 18V (using the 21V \/ 1A output), commonly found in cordless screwdrivers and wrenches. It is not intended for use with NiMH, NiCd, or other battery chemistries.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know when the battery is fully charged?\u003c\/h4\u003e\n\u003cp\u003eA: The LED indicator shows a red light while charging is in progress. Once the battery reaches full capacity, the indicator turns green and the charger automatically stops — protecting your battery from overcharging.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this charger work with both EU and US power outlets?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The charger accepts universal AC input of 100–240V at 50\/60Hz, making it compatible with standard EU and US wall sockets. Please ensure the DC plug size (5.5 × 2.1mm or 5.5 × 2.5mm) matches your battery pack's connector before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the battery included with the charger?\u003c\/h4\u003e\n\u003cp\u003eA: No, the battery is not included. This listing covers the charger unit only. Please ensure your existing 18650 Li-Ion battery pack is compatible before purchasing.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types is this 18650 lithium battery charger compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This charger is designed for 18650 Li-Ion rechargeable battery packs rated at 12V (using the 12.6V \/ 2A output) or 18V (using the 21V \/ 1A output), commonly found in cordless screwdrivers and wrenches. It is not intended for use with NiMH, NiCd, or other battery chemistries.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know when the battery is fully charged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LED indicator shows a red light while charging is in progress. 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Please ensure your existing 18650 Li-Ion battery pack is compatible before purchasing.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"18650 Li-Ion Battery Charger 12.6V 2A \/ 21V 1A – Power Tools\", \"item\": \"https:\/\/oasis-select.com\/products\/18650-li-ion-battery-charger-12-6v-2a-21v-1a-screwdriver-wrench\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"12.6V-2A \/ EU","offer_id":47727465300073,"sku":"14:200004890#12.6V-2A;200006447:200660850","price":10.16,"currency_code":"USD","in_stock":true},{"title":"21V-1A \/ EU","offer_id":47727465332841,"sku":"14:29#21V-1A;200006447:200660850","price":10.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S6c8b37c2ed344180bf4ec28cde954e83J.webp?v=1782661709","url":"https:\/\/oasis-select.com\/products\/18650-li-ion-battery-charger-12-6v-2a-21v-1a-screwdriver-wrench","provider":"Oasis Select","version":"1.0","type":"link"}