{"product_id":"keeppower-k1-k2-k4-usb-c-universal-battery-charger","title":"Keeppower K1\/K2\/K4 USB-C Universal Battery Charger - Adjustable 0.5A\/1A\/2A Smart Charger for Li-ion (18650, 21700, 26650) \u0026 NiMH (AA\/AAA) Batteries (Batteries NOT Included)","description":"\u003ch3\u003e\u003cspan class=\"\"\u003e【Product Description】\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOne charger for all your household batteries!\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eKeeppower K-Series (K1 \/ K2 \/ K4) USB-C Universal Battery Charger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis the ultimate charging solution for homes and enthusiasts alike. By combining advanced charging technology with universal compatibility, this charger handles both\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3.6V\/3.7V Li-ion rechargeable batteries\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e(such as 18650, 21700, 26650) and standard\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1.2V NiMH batteries\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e(AA, AAA, A, SC, C, F6).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eWhat truly sets the K-Series apart is the manual\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3-level current adjustment\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. With a simple press of the \"SET\" button, you can switch between\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e0.5A, 1A, and 2A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003echarging currents, allowing you to prioritize speed or battery health depending on your needs. The clear\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5-level LED indicator (25%, 50%, 75%, 100%)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003elets you know exactly how much power is left at a glance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003ePowered by a modern\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUSB Type-C port\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, you can plug it into a wall adapter, power bank, or laptop. Whether you are maintaining your flashlight batteries, charging your child's remote-control toys, or prepping for a camping trip, the Keeppower K-Series is the smartest, most versatile charger to have on your desk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e IMPORTANT NOTE:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis listing is for the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003echarger and USB-C cable only\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRechargeable batteries are NOT included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003e【Key Features】\u003c\/span\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eUniversal Chemistry Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Designed to intelligently charge both Li-ion (3.6V\/3.7V) and NiMH (1.2V) batteries. One charger meets all your daily needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e3-Level Adjustable Charging Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Use the \"SET\" button to easily toggle between\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e0.5A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e(gentle for small batteries),\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e(standard), and\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e(fast charging for large capacity cells).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eClear 5-Level LED Power Display\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Built-in intuitive LED lights show the real-time charge status at\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e25%, 50%, 75%, and 100%\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, so you always know exactly when your batteries are ready.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eConvenient USB Type-C Input\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Universal charging via any USB-C cable and power source. Includes a free high-quality USB-C charging cable in the box.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWide Physical Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The extended sliding slots can accommodate massive batteries, including long\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eprotected 21700 (up to 74.8mm)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, 26650, and even small 10440 and RCR123A cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eMulti-Layer Safety Protection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Built-in IC chip provides full protection against overcurrent, short circuits, and reverse polarity, ensuring safe charging for every battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003e【Parameters \u0026amp; Specifications】\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Keeppower\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAvailable Models\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: K1 (1-Slot), K2 (2-Slots), K4 (4-Slots)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eInput\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: DC 5V \/ 2A (USB Type-C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eAdjustable Charging Currents\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 0.5A \/ 1A \/ 2A (Max per slot)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePower Indicator\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 5-Level LED (25%, 50%, 75%, 100%)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompatible Li-ion Batteries\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 26700, 26650, 26500, 21700, 20700, 18650, 18500, 18350, 17650, 16650, 16340, 14500, 14430, 10440, RCR123A, and more.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompatible NiMH Batteries\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: AA, AAA, A, SC, C, F6, and more.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePackage Content\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Charger Unit, USB-C Cable, User Manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNote\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBatteries are NOT included.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003e【Applications】\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eHome \u0026amp; Everyday Use\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Charging AA\/AAA NiMH batteries for TV remotes, wireless mice, and smart toys.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutdoor \u0026amp; Tactical Gear\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Refueling 18650, 21700, or 26650 cells for high-power flashlights, headlamps, and camping lanterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVape Enthusiasts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Safely charging Li-ion batteries for high-drain vape mods.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eEmergency Preparedness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Keeping a stock of fully charged backup batteries for weather radios and emergency flashlights.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003e【Frequently Asked Questions (FAQ)】\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ1: Does this charger come with batteries?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA1:\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eNO.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe Keeppower K-Series chargers are sold strictly as charger units. The package includes the charger, a USB-C cable, and a user manual.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eBatteries must be purchased separately.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Can I charge different types of batteries at the same time?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA2: Yes (for K2 and K4 models). The K-Series features independent charging slots. You can charge a Li-ion 18650 in one slot and a NiMH AA battery in another slot at the same time without any issues.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: How do I choose the right charging current?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA3: Use the \"SET\" button to toggle the current.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e0.5A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis recommended for small capacity batteries like AA\/AAA NiMH or 10440 Li-ion.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e1A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for standard 18650\/21700 batteries.\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e2A\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis for high-capacity batteries (like 26650) when you need the fastest charging speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: What do the LED lights mean?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA4: The charger uses a 5-level LED display. The LEDs will light up sequentially to show the charge level:\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e25% → 50% → 75% → 100%\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Once the 100% light is on steadily, the battery is fully charged.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Is it safe to charge my batteries overnight?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Yes. The charger features an intelligent IC chip with multiple protection layers. It automatically stops charging once the battery reaches its full voltage, preventing overcharging and ensuring safety for overnight use.\u003c\/span\u003e\u003c\/p\u003e","brand":"Keeppower","offers":[{"title":"K1","offer_id":51490753118454,"sku":"OAS1356","price":18.98,"currency_code":"USD","in_stock":true},{"title":"K2","offer_id":51490753151222,"sku":"OAS1357","price":20.98,"currency_code":"USD","in_stock":true},{"title":"K4","offer_id":51490753183990,"sku":"OAS1358","price":26.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/keeppower-k1-single-slot-usb-c-universal-charger-main.webp?v=1787215733","url":"https:\/\/oneandes.com\/products\/keeppower-k1-k2-k4-usb-c-universal-battery-charger","provider":"OneAndes","version":"1.0","type":"link"}