{"product_id":"liitokala-16-8v-2a-li-ion-battery-charger","title":"LiitoKala 16.8V 2A Li-ion Battery Charger for 4S 18650\/21700 Battery Packs - 100-240V Wide Voltage Input, DC 5.5×2.1mm Plug, Constant Current \u0026 Voltage Smart Charging (US\/EU\/UK Plug Options)","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=\"\"\u003eThe Perfect Charger for Your 4S DIY Battery Packs!\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=\"\"\u003eLiitoKala 16.8V 2A Li-ion Battery Charger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis specifically engineered for\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S (4-series) 18650 and 21700 lithium battery packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Whether you're building a custom power station, an RC model battery, or a portable power bank, this charger delivers safe, reliable, and efficient charging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eEquipped with a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e100-240V wide voltage input\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, this charger works globally with any standard wall outlet (US\/EU\/UK plug options available). Its\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDC 5.5×2.1mm output plug\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis the industry standard for most DIY battery packs. Featuring\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eConstant Current \u0026amp; Constant Voltage (CC\/CV) charging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, it ensures your battery pack is charged safely and efficiently without damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003e\u003cspan class=\"\"\u003e( IMPORTANT: This charger is designed for\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S (16.8V) Li-ion battery packs ONLY\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e. Do NOT use with 1S-3S or 5S+ battery packs. It is also NOT compatible with 4S LiFePO4 battery packs. Please check your battery pack's charging port size before ordering. This charger uses a standard DC 5.5×2.1mm plug.)\u003c\/span\u003e\u003c\/em\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=\"\"\u003eDesigned for 4S Battery Packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Outputs 16.8V 2A, perfect for 4-series (4S) 18650 and 21700 lithium battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e100-240V Wide Voltage Input\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Works globally with any standard wall outlet. Available in US, EU, and UK plug options.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eConstant Current \u0026amp; Constant Voltage (CC\/CV) Charging\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Provides safe, reliable charging that protects your battery pack and extends its lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStandard DC 5.5×2.1mm Output Plug\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: The industry-standard connector for most DIY battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCompact \u0026amp; Durable Design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Measures just 47×30×112mm, with built-in over-current and over-voltage protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCertified Safety\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: CE, RoHS, and FCC certified for safe, reliable performance.\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: LiitoKala\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Lii-186200\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 Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 100-240V AC, 50\/60Hz, 2.0A Max\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutput Voltage\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 16.8V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutput Current\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 2.0A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCharging Method\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Constant Current \u0026amp; Constant Voltage (CC\/CV)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eOutput Plug\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: DC 5.5×2.1mm\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 Battery Packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 4S (4-series) Li-ion battery packs (4S 18650, 4S 21700, etc.)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDimensions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: 47mm × 30mm × 112mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eCertifications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: CE, RoHS, FCC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePlug Options\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: US Plug \/ EU Plug \/ UK Plug\u003c\/span\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=\"\"\u003eDIY Battery Packs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Perfect for charging custom 4S 18650\/21700 battery packs for robotics, drones, and power stations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eRC Models \u0026amp; Drones\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Reliable charging for 4S Li-ion battery packs used in RC cars, boats, and drones.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003ePortable Power Stations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Keeps your 4S portable power station fully charged and ready for outdoor adventures.\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 Backup Power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e: Ensures your 4S backup battery pack is always ready for power outages.\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: What battery packs is this charger compatible with?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA1: This charger is designed for\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S (4-series) Li-ion battery packs ONLY\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e, such as 4S 18650 and 4S 21700 packs. Do NOT use it with 1S-3S or 5S+ battery packs, or with 4S LiFePO4 battery packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ2: Does this charger come with a wall adapter?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA2: The charger itself includes a built-in AC plug (US\/EU\/UK options available). Simply plug it directly into a wall outlet—no additional adapter is needed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ3: What is the output plug size?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA3: It uses a standard\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDC 5.5×2.1mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eplug. Please check your battery pack's charging port size before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ4: Can I use this charger for my 4S LiFePO4 battery pack?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA4:\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\u003eThis charger outputs 16.8V, which is designed for\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e4S Li-ion (4.2V per cell)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ebattery packs. For 4S LiFePO4 (3.65V per cell), you would need a different charger with a lower output voltage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eQ5: Is this charger safe to leave unattended?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"\"\u003eA5: Yes, it features Constant Current \u0026amp; Constant Voltage (CC\/CV) charging with built-in over-current and over-voltage protection, making it safe for regular use. However, we always recommend unplugging the charger once the battery pack is fully charged.\u003c\/span\u003e\u003c\/p\u003e","brand":"LiitoKala","offers":[{"title":"16.8V 2A Charger - US Plug","offer_id":51648310444278,"sku":"OAS1551","price":25.98,"currency_code":"USD","in_stock":true},{"title":"16.8V 2A Charger - EU Plug","offer_id":51648310477046,"sku":"OAS1552","price":25.98,"currency_code":"USD","in_stock":true},{"title":"16.8V 2A Charger - UK Plug","offer_id":51648310509814,"sku":"OAS1553","price":25.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/2753\/6886\/files\/liitokala-16-8v-2a-li-ion-battery-charger-us-plug-main.webp?v=1789442485","url":"https:\/\/oneandes.com\/products\/liitokala-16-8v-2a-li-ion-battery-charger","provider":"OneAndes","version":"1.0","type":"link"}