{"product_id":"xtar-sc2-intelligent-usb-c-qc-pd-quick-battery-charger-dual-slot-for-li-ion-18650-18700-20700-21700-22650-2665020700-and-21700-batteries-with-protection-boards-batteries","title":"XTAR SC2 2-Bay 3A Fast Smart Battery Charger | Type-C QC3.0 for 3.6V\/3.7V Li-ion 18650 21700 Protected Cells","description":"\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe XTAR SC2 is a highly efficient and ultra-compact 2-slot smart battery charger specifically designed for 3.6V\/3.7V lithium-ion batteries. Powered by a QC3.0 Type-C input, it supports an impressive 3A maximum single-slot charging current, enabling you to fully charge a 3500mAh 18650 battery in just 1.5 hours—three times faster than standard 1A chargers. Featuring an intelligent power adaptation system, the SC2 automatically detects the input power source (5V\/9V\/12V) and adjusts the output current for optimal efficiency. With a clear LED indicator system and comprehensive safety protections, the XTAR SC2 delivers a fast, safe, and portable charging experience for your high-drain devices.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eUltra-Fast 3A Charging: Delivers a blazing 3A charging current for a single battery, drastically reducing charging time. Supports dual-slot 2A charging when charging two batteries simultaneously.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQC3.0 Type-C Input: Equipped with a universal Type-C port supporting QC3.0 protocols (5V\/3A, 9V\/2A, 12V\/1.5A), allowing you to power the charger via wall adapters, laptops, power banks, or USB outlets.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eIntelligent Power Adaptation: Built-in smart chip automatically recognizes the current of your power source and matches the optimal charging current for safe and efficient use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eClear LED Status Indicators: The intuitive LED lights indicate precise charging status: 1\/2\/3 lights flashing for 1A\/2A\/3A current; Rolling lights flashing for active charging; 4 lights solid for fully charged or standby; 4 lights flashing simultaneously for reverse polarity protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eExtensive Battery Compatibility: Specifically designed to accommodate 3.6V\/3.7V Li-ion batteries, including sizes 18650, 18700, 20700, 21700, 22650, and 26650. \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eImportant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e Supports charging protected 20700 and 21700 batteries securely.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eComprehensive Safety Protection: Built-in short circuit protection, overcharge protection, reverse polarity protection, overcurrent protection, and overvoltage protection. Certified with CE, RoHS, and FCC standards, and insured by China Pacific Insurance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePortable \u0026amp; Lightweight: With a compact body measuring 105mm x 53mm x 27mm and weighing just 58g, it is ideal for EDC and travel use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Parameters\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eModel: XTAR SC2\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eInput Power: QC3.0 Type-C (5V⎓3A \/ 9V⎓2A \/ 12V⎓1.5A)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eConstant Charging Current: 2A x 2 (Dual slot) \/ 3A x 1 (Single slot)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging Cut-off Voltage: 4.20 ± 0.05V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCharging Cut-off Current: ≤150mA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eOperating Temperature: 0 - 40°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eProduct Dimensions: 105mm (L) x 53mm (W) x 27mm (H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eNet Weight: 58g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSupported Battery Types: 3.6V \/ 3.7V Li-ion (IMR\/INR\/ICR)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSupported Sizes: 18650, 18700, 20700, 21700, 22650, 26650 (Supports protected 20700 \u0026amp; 21700)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eFast charging for high-drain EDC tactical flashlights and searchlights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eReliable portable charging solution for outdoor headlamps and camping lanterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePower maintenance for remote control (RC) hobbies, drones, and model aircraft.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCompact emergency backup charger for power banks and DIY battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan class=\"\"\u003eFrequently Asked Questions (FAQ)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ1: What is included in the package?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The package includes 1x XTAR SC2 Smart Charger, 1x Type-C Charging Cable, and 1x User Manual. (Batteries are sold separately).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ2: Can the SC2 charge protected 21700 batteries?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: Yes. The XTAR SC2 features an extended slot design that comfortably accommodates protected 20700 and 21700 batteries, unlike many other compact chargers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ3: How do I achieve the 3A fast charging speed?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: To achieve the maximum 3A charging speed, use a single battery in one slot and ensure your power adapter supports QC3.0 (9V\/2A or 12V\/1.5A). The SC2 will automatically detect the input power and adjust to 3A.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ4: What do the LED lights indicate?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: 1\/2\/3 blinking lights indicate the charging current is 1A\/2A\/3A. Rolling lights indicate the battery is charging. 4 solid lights mean it is fully charged. 4 flashing lights at once means the battery is inserted backwards (reverse polarity protection activated).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ5: Is the SC2 safe to use overnight?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Absolutely. The SC2 includes multiple safety protections including overcharge protection. Once the battery reaches the precise 4.20V cut-off voltage, charging will stop automatically to prevent overcharging.\u003c\/span\u003e\u003c\/p\u003e","brand":"XTAR","offers":[{"title":"Default Title","offer_id":51454131536118,"sku":"OAS260","price":15.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/xtar-sc2-qc-pd-dual-slot-fast-charger-main_7b7e8ba0-629e-4d0e-8cab-366cb35b9f57.webp?v=1786965455","url":"https:\/\/oneandes.com\/products\/xtar-sc2-intelligent-usb-c-qc-pd-quick-battery-charger-dual-slot-for-li-ion-18650-18700-20700-21700-22650-2665020700-and-21700-batteries-with-protection-boards-batteries","provider":"OneAndes","version":"1.0","type":"link"}