{"product_id":"efest-slim-k4-4-channel-battery-charger","title":"Efest SLIM K4 4 Channel Battery Charger","description":"\u003ch1\u003e\u003cspan\u003eEfest SLIM K4 Type-C USB LED Battery Charger\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCharge your rechargeable batteries faster and smarter with the \u003c\/span\u003eEfest SLIM K4 Type-C USB Battery Charger. Designed for modern convenience, this intelligent 4-bay charger features a USB Type-C power input, automatic charging current adjustment, and advanced safety protections to provide dependable charging for a wide variety of lithium-ion batteries.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003eWhether you're charging 18650, 20700, 21700, or other compatible battery sizes, the SLIM K4 delivers efficient performance in a compact, travel-friendly design backed by a three-year manufacturer warranty.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Batteries are \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot included\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e\u003cspan\u003eIntelligent 4-Bay Charging\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Efest SLIM K4 independently monitors each charging slot, automatically selecting the appropriate charging current based on the number and type of batteries installed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAutomatic Charging Modes:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e1 × Battery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.0A\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e2 × Batteries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2 × 1.0A\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e3 × Batteries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3 × 0.5A\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e4 × Batteries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4 × 0.5A\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis intelligent charging system helps maximize battery performance while promoting long battery life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eModern USB Type-C Power Input\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUnlike traditional chargers, the SLIM K4 features a \u003c\/span\u003eUSB Type-C input\u003cspan\u003e, providing fast, reliable, and convenient power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eUSB-C Benefits:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eFaster Charging Performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStable Power Delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConvenient USB Compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for Home or Travel\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePower the charger using compatible USB power adapters or other approved USB power sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eEasy-to-Read LED Indicators\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt-in LED lights provide real-time charging updates, making battery management simple and convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLED Features:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCharging Status Indicators\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy Battery Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic Charge Completion Display\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eKnow exactly when your batteries are fully charged at a glance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAdvanced Safety Protection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe SLIM K4 is equipped with intelligent safety systems designed to protect both your batteries and charger during every charging cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSafety Features:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eReverse Polarity Protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic Charge Completion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOvercharge Prevention\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntelligent Battery Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThese protections help promote safe charging while extending battery lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBroad Battery Compatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Efest SLIM K4 supports many of today's most commonly used rechargeable lithium-ion battery sizes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCompatible Battery Sizes:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e10440\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e14500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e16340\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e17340\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18350\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18490\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e18650\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e20700\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e21700\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e26500\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e26650\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible with \u003c\/span\u003e3.6V and 3.7V lithium-ion batteries.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cspan\u003eInput:\u003c\/span\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eAC 100–240V, 50\/60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDC 5V \/ 2A\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Voltage: 4.2V ±0.05V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBattery Cut-Off Voltage: 4.20V ±0.05V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAuto Recharge Voltage: 4.10V ±0.10V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB Type-C Power Input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour Independent Charging Bays\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCompact \u0026amp; Travel-Friendly\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe slim, lightweight design makes the SLIM K4 easy to carry while providing dependable charging performance at home, in the office, or on the go.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy You'll Love It:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCompact Design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB Type-C Convenience\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntelligent Charging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy LED Monitoring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReliable Everyday Performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e1 × Efest SLIM K4 LED Battery Charger\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × USB Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × User Manual\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Warranty Card\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Scratch-Off Validation Serial Number\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eBattery Safety Guidelines\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor safe charging and maximum battery life:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eNever charge damaged batteries.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInspect battery wraps before every charge.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDo not overcharge or over-discharge rechargeable batteries.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAlways charge batteries on a clean, fire-resistant surface.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNever leave charging batteries unattended.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStore and transport batteries in protective, non-conductive battery cases.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDispose of batteries according to local recycling regulations.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the Efest SLIM K4?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIntelligent 4-Bay Charging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUSB Type-C Power Input\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic Charging Current Selection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLED Charging Indicators\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReverse Polarity Protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic Charge Completion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports 18650, 20700 \u0026amp; 21700 Batteries\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact, Travel-Friendly Design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThree-Year Manufacturer Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Efest SLIM K4 Type-C USB Battery Charger\u003cspan\u003e offers a modern, efficient charging solution for rechargeable lithium-ion batteries. With intelligent charging technology, broad battery compatibility, advanced safety protections, and convenient USB-C connectivity, it's an excellent choice for users seeking dependable everyday battery charging.\u003c\/span\u003e\u003c\/p\u003e","brand":"Chargers","offers":[{"title":"Default Title","offer_id":51166541185270,"sku":"51166541185270","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/8472\/0630\/files\/20200416143610_234.jpg?v=1783203329","url":"https:\/\/giantvapes.com\/products\/efest-slim-k4-4-channel-battery-charger","provider":"Giant Vapes","version":"1.0","type":"link"}