{"product_id":"3-7v-18650-3500mah-rechargeable-battery-button-top-w-ef-bf-b5i-ef-bf-b5th-battery-charger-universal-3a-charger-for-3-7v-batteries","title":"XTAR SC2 3A Fast Charger with 18650 3500mAh 10A Protected Battery Bundle | Type-C QC3.0 Dual-Slot Kit for Flashlights","description":"\u003ch2\u003e\u003cspan class=\"\"\u003eProduct Description\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThis bundle combines the ultra-fast XTAR SC2 2-slot smart charger with high-performance XTAR 18650 3500mAh 10A lithium-ion rechargeable batteries. (Available in 1-Pack or 2-Pack options). The included 18650 battery delivers a massive 3500mAh capacity, a 3.6V nominal voltage, and a robust 10A maximum continuous discharge current, featuring a built-in protection board and a button-top positive terminal for superior safety and compatibility. The XTAR SC2 charger supports an impressive 3A single-slot fast charging speed via QC3.0 Type-C input, significantly reducing your charging time. With intelligent power adaptation, clear LED indicators, and comprehensive safety protections, this kit provides a complete, fast, and reliable power solution for your high-drain electronics.\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=\"\"\u003eComplete High-Speed Power Kit: Includes one XTAR SC2 2-slot smart charger (with Type-C cable) and one or two XTAR 18650 3500mAh 10A protected button-top batteries based on your selection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eHigh-Capacity Battery Specs: Features 3500mAh true capacity, a 3.6V nominal voltage, and a 10A maximum continuous discharge current. Built-in protection board prevents overcharge, over-discharge, and short circuits. Low internal resistance of ≤45 mΩ for stable output.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eExtended Lifespan: The battery supports over 800 recharge cycles, offering excellent long-term value and reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003e3A Ultra-Fast Charging: Powered by QC3.0 Type-C input, the SC2 delivers up to 3A charging current when charging a single battery, drastically cutting downtime.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eSmart Power Adaptation: Built-in intelligent chip automatically recognizes the input power source (5V\/9V\/12V) and adjusts the current to the optimal level for safe and efficient charging.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eIntuitive LED Indicators: The clear LED lights provide real-time status updates: Flashing lights indicate current level or active charging; 4 solid lights mean fully charged; 4 simultaneous flashing lights indicate 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=\"\"\u003eComprehensive Safety Protection: Built-in short circuit, overcharge, reverse polarity, overcurrent, and overvoltage protections. Certified with CE, RoHS, and FCC standards.\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\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharger (XTAR SC2):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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=\"\"\u003eDimensions: 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\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBattery (XTAR 18650 3500mAh):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eBrand: XTAR\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eModel: 18650 Rechargeable Li-ion Battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eNominal Capacity: 3500mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eNominal Voltage: 3.6V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDischarge Cut-off Voltage: 2.5V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eMax Continuous Discharge Current: 10A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eInternal Resistance: ≤45 mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eCycle Life: 800+ cycles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eProtection Board: Built-in (Protected)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePositive Terminal: Button Top\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDimensions: Φ18.4±0.3 x H69±0.5 mm\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=\"\"\u003eRapid power replenishment 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=\"\"\u003ePortable fast-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=\"\"\u003eHigh-performance battery maintenance for remote control (RC) hobbies 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 and efficient backup power kit for outdoor survival gear and power banks.\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 this bundle?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA1: The bundle includes one XTAR SC2 smart charger, one Type-C charging cable, one user manual, and either 1 or 2 units of the XTAR 18650 3500mAh 10A protected button-top batteries based on your selected variant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ2: How do I achieve the 3A fast charging speed?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA2: To reach 3A fast charging, 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 output a 3A current.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ3: What do the LED lights indicate?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Flashing lights indicate the charging current (1\/2\/3 LEDs for 1\/2\/3A) or that the battery is actively charging; 4 solid lights mean the battery is fully charged; 4 flashing lights at the same time indicate the battery is inserted incorrectly (reverse polarity protection activated).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ4: Is the SC2 safe to charge this 18650 battery overnight?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA4: Absolutely. The SC2 features a precise 4.20V charging cut-off. Once the battery reaches full voltage, the charger automatically stops, preventing overcharging and ensuring long-term battery health.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eQ5: Can I charge other types of batteries with this charger?\u003c\/span\u003e\n\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Yes. The SC2 is highly versatile and supports 3.6V\/3.7V Li-ion batteries in various sizes, including 18650, 18700, 20700, 21700, 22650, and 26650 (it supports protected 20700 and 21700 cells as well).\u003c\/span\u003e\u003c\/p\u003e","brand":"XTAR","offers":[{"title":"1 Pack Button Top 18650 Battery+Charger","offer_id":51454135173366,"sku":"OAS263","price":29.98,"currency_code":"USD","in_stock":false},{"title":"2 Packs Button Top 18650 Battery+Charger","offer_id":51454135206134,"sku":"OAS264","price":42.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/xtar-3500mah-18650-battery-3a-universal-charger-kit-main-1_937488fb-5d9b-4c7f-9333-a0930e9fa70c.webp?v=1786965529","url":"https:\/\/oneandes.com\/products\/3-7v-18650-3500mah-rechargeable-battery-button-top-w-ef-bf-b5i-ef-bf-b5th-battery-charger-universal-3a-charger-for-3-7v-batteries","provider":"OneAndes","version":"1.0","type":"link"}