{"product_id":"ultrapower-up-s4ac-charger-1s-2s-lipo-lihv-battery-charger","title":"Ultrapower UP-S4AC Charger 1S 2S LiPo\/LiHV Battery Charger","description":"\u003cbody\u003e\n\n\n    \u003cmeta charset=\"UTF-8\"\u003e\n    \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n    \u003ctitle\u003eUPS4AC Four-Channel Intelligent Charger\u003c\/title\u003e\n    \u003cstyle\u003e\n        * {\n            box-sizing: border-box;\n            margin: 0;\n            padding: 0;\n        }\n        body {\n            font-family: 'Segoe UI', 'Roboto', sans-serif;\n            line-height: 1.7;\n            color: #333;\n            background-color: #f8fafc;\n            padding: 20px;\n        }\n        .container {\n            max-width: 1200px;\n            margin: 30px auto;\n            background: #ffffff;\n            border-radius: 12px;\n            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);\n            overflow: hidden;\n            border: 1px solid #e2e8f0;\n        }\n        section {\n            padding: 40px;\n        }\n        h2 {\n            color: #1e40af;\n            font-size: 1.9rem;\n            margin-bottom: 25px;\n            padding-bottom: 12px;\n            border-bottom: 3px solid #60a5fa;\n            display: inline-block;\n        }\n        h3 {\n            color: #1e3a8a;\n            font-size: 1.4rem;\n            margin: 30px 0 15px;\n        }\n        p {\n            margin-bottom: 20px;\n            font-size: 1.05rem;\n            color: #4b5563;\n        }\n        .highlight {\n            background-color: #eff6ff;\n            border-left: 5px solid #3b82f6;\n            padding: 25px;\n            margin: 30px 0;\n            border-radius: 0 8px 8px 0;\n        }\n        ul {\n            list-style-type: none;\n            padding-left: 0;\n        }\n        li {\n            margin-bottom: 15px;\n            padding-left: 30px;\n            position: relative;\n            color: #4b5563;\n        }\n        li:before {\n            content: \"\";\n            position: absolute;\n            left: 0;\n            color: #10b981;\n            font-weight: bold;\n        }\n        .grid-container {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));\n            gap: 30px;\n            margin: 40px 0;\n        }\n        .card {\n            background: #f8fafc;\n            border-radius: 10px;\n            padding: 30px;\n            border-top: 5px solid #3b82f6;\n            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);\n            transition: transform 0.3s ease, box-shadow 0.3s ease;\n        }\n        .card:hover {\n            transform: translateY(-5px);\n            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);\n        }\n        .card h3 {\n            color: #1e40af;\n            margin-top: 0;\n        }\n        .card-icon {\n            font-size: 2.5rem;\n            color: #3b82f6;\n            margin-bottom: 20px;\n        }\n        .faq-item {\n            background: #f8fafc;\n            border-radius: 10px;\n            padding: 25px;\n            margin-bottom: 20px;\n            border-left: 4px solid #60a5fa;\n        }\n        .faq-q {\n            color: #1e40af;\n            font-weight: 700;\n            font-size: 1.1rem;\n            margin-bottom: 10px;\n        }\n        .warning-box {\n            background-color: #fef3c7;\n            border: 2px solid #f59e0b;\n            border-radius: 10px;\n            padding: 25px;\n            margin: 30px 0;\n        }\n        .specifications-table {\n            width: 100%;\n            border-collapse: collapse;\n            margin: 30px 0;\n            border-radius: 8px;\n            overflow: hidden;\n            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);\n        }\n        .specifications-table th {\n            background-color: #1e40af;\n            color: white;\n            text-align: left;\n            padding: 15px 20px;\n            font-weight: 600;\n        }\n        .specifications-table td {\n            padding: 15px 20px;\n            border-bottom: 1px solid #e2e8f0;\n        }\n        .specifications-table tr:nth-child(even) {\n            background-color: #f8fafc;\n        }\n        .specifications-table tr:hover {\n            background-color: #eff6ff;\n        }\n        .spec-item {\n            font-weight: 600;\n            color: #1e3a8a;\n            width: 30%;\n        }\n        .spec-value {\n            color: #4b5563;\n        }\n        @media (max-width: 768px) {\n            section {\n                padding: 30px 20px;\n            }\n            .grid-container {\n                grid-template-columns: 1fr;\n            }\n            .specifications-table {\n                font-size: 0.9rem;\n            }\n            .specifications-table th,\n            .specifications-table td {\n                padding: 10px 15px;\n            }\n        }\n    \u003c\/style\u003e\n\n\n    \u003cdiv class=\"container\"\u003e\n        \u003csection id=\"overview\"\u003e\n            \u003ch2\u003eCore Overview\u003c\/h2\u003e\n            \u003cp\u003eThe UPS4AC is a four-channel intelligent charger designed for model hobbyists and professional users. Its core value lies in \"one device, multiple functions, worry-free and efficient\": it can be directly plugged into household AC power without an external power adapter, and can simultaneously charge four groups of batteries of different types and specifications independently. It perfectly solves the charging management problem for users who have various small lithium batteries (LiPo\/LiHV) and nickel-metal hydride\/nickel-cadmium batteries (NiMH\/NiCd) at the same time, making it an ideal choice for a desktop charging station.\u003c\/p\u003e\n        \u003c\/section\u003e\n\n        \u003csection id=\"key-tech\"\u003e\n            \u003ch2\u003eCore Technology Advantages\u003c\/h2\u003e\n            \u003cdiv class=\"grid-container\"\u003e\n                \u003cdiv class=\"card\"\u003e\n                    \u003cdiv class=\"card-icon\"\u003e🔌\u003c\/div\u003e\n                    \u003ch3\u003eWorldwide AC Power Compatibility\u003c\/h3\u003e\n                    \u003cp\u003eSupports 100-240V wide voltage AC power, globally compatible, eliminating the need to purchase bulky external adapters, saving cost and space.\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"card\"\u003e\n                    \u003cdiv class=\"card-icon\"\u003e⚡\u003c\/div\u003e\n                    \u003ch3\u003eFour Independent Channels\u003c\/h3\u003e\n                    \u003cp\u003eFour channels can be set independently, allowing simultaneous mixed charging, greatly improving work efficiency for multi-battery users.\u003c\/p\u003e\n                \u003c\/div\u003e\n                \u003cdiv class=\"card\"\u003e\n                    \u003cdiv class=\"card-icon\"\u003e🔄\u003c\/div\u003e\n                    \u003ch3\u003eExtremely Wide Interface Compatibility\u003c\/h3\u003e\n                    \u003cp\u003eComes standard with multiple mainstream balance connectors and interfaces such as SM, XH, MICRO, MX, JST, mCPX, covering almost all common small-scale aerial, car, and boat model batteries.\u003c\/p\u003e\n                \u003c\/div\u003e\n            \u003c\/div\u003e\n        \u003c\/section\u003e\n\n        \u003csection id=\"recommendations\"\u003e\n            \u003ch2\u003eUsage Recommendations\u003c\/h2\u003e\n            \u003cdiv class=\"warning-box\"\u003e\n                \u003cul\u003e\n                    \u003cli\u003eOutdoors, you can use an 11.1V (3S) or 14.8V (4S) lithium polymer battery as a DC input power source to charge your devices, achieving flexible \"battery charging battery\" power replenishment.\u003c\/li\u003e\n                    \u003cli\u003eFor NiMH batteries not used for a long time, you can use this charger for slow discharge (if this function is available) or perform regular charge\/discharge maintenance. After use, store the charger in a dry environment.\u003c\/li\u003e\n                \u003c\/ul\u003e\n            \u003c\/div\u003e\n        \u003c\/section\u003e\n\n        \u003csection id=\"specifications\"\u003e\n            \u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n            \u003ctable class=\"specifications-table\"\u003e\n                \u003cthead\u003e\n                    \u003ctr\u003e\n                        \u003cth\u003eItem\u003c\/th\u003e\n                        \u003cth\u003eSpecifications\u003c\/th\u003e\n                    \u003c\/tr\u003e\n                \u003c\/thead\u003e\n                \u003ctbody\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eInput Voltage\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eAC 100-240V ~ 50\/60Hz; DC 7.0-17.0V\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eCharging Power\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eMax 7W × 4 channels (Total 28W)\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eCharging Current\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003e0.1A - 1.0A \/ channel, independently settable\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eSupported Battery Types\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eLiPo, LiHV, NiMH, NiCd\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eSupported Cell Count\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eLiPo\/LiHV: 1-2S; NiMH\/NiCd: 2-6 cells\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eDisplay Interface\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eBlue LCD Display + LED Indicator\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eCompatible Interfaces\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eSM \/ XH \/ MICRO \/ MX \/ JST \/ mCPX\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eDimensions\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003e125mm × 78mm × 42mm\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                    \u003ctr\u003e\n                        \u003ctd class=\"spec-item\"\u003eProduct Net Weight\u003c\/td\u003e\n                        \u003ctd class=\"spec-value\"\u003eApprox. 220g\u003c\/td\u003e\n                    \u003c\/tr\u003e\n                \u003c\/tbody\u003e\n            \u003c\/table\u003e\n        \u003c\/section\u003e\n\n        \u003csection id=\"faq\"\u003e\n            \u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n            \u003cdiv class=\"faq-item\"\u003e\n                \u003cp class=\"faq-q\"\u003eQ1: Can the four channels charge four completely different batteries simultaneously?\u003c\/p\u003e\n                \u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. You can simultaneously connect a 1S LiPo, a 2S LiHV, a 4-cell NiMH, and a 6-cell NiCd battery, and set an appropriate current for each channel independently for charging.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"faq-item\"\u003e\n                \u003cp class=\"faq-q\"\u003eQ2: How long does it take to charge a 2S 3000mAh LiPo battery with the current set to 1.0A?\u003c\/p\u003e\n                \u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Under ideal conditions, charging time ≈ (battery capacity × 1.2) \/ charging current. That is (3000mAh × 1.2) \/ 1000mA ≈ 3.6 hours. Recommendation: For daily use, choose a current of 0.5-0.8A, which is more friendly to battery life.\u003c\/p\u003e\n            \u003c\/div\u003e\n            \u003cdiv class=\"faq-item\"\u003e\n                \u003cp class=\"faq-q\"\u003eQ3: What to do outdoors without AC power?\u003c\/p\u003e\n                \u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e You can use any DC power source with an output voltage between 7-17V, such as a car cigarette lighter adapter (12V), an outdoor power bank, or a 3S\/4S LiPo battery as the input power source, which is very flexible.\u003c\/p\u003e\n            \u003c\/div\u003e\n        \u003c\/section\u003e\n    \u003c\/div\u003e\n\n\u003cdiv style=\"max-width: 1200px; margin: 0 auto; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #111; background-color: #fff; line-height: 1.6; padding: 20px; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 15px; color: #444; background: #f9f9f9; padding: 18px; border-left: 3px solid #7f8c8d; border-radius: 0 4px 4px 0;\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Original Product Images --\u003e\n\u003cdiv style=\"margin-top: 50px; text-align: center;\"\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: bold; text-transform: uppercase; border-bottom: 2px solid #000; padding-bottom: 8px; margin-bottom: 30px; text-align: left; letter-spacing: 0.5px;\"\u003eProduct Gallery \u0026amp; Details\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; align-items: center; gap: 20px;\"\u003e\n\u003cimg style=\"max-width: 100%; height: auto; display: block; box-shadow: 0 2px 10px rgba(0,0,0,0.08); border-radius: 4px;\" alt=\"Ultrapower UP-S4AC Charger Front View\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0504\/9014\/6970\/files\/4_f61b8986-a787-4e76-843c-4f83b126568f.jpg\"\u003e \u003cimg style=\"max-width: 100%; height: auto; display: block; box-shadow: 0 2px 10px rgba(0,0,0,0.08); border-radius: 4px;\" alt=\"Ultrapower UP-S4AC Charger Application\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0504\/9014\/6970\/files\/rehl.jpg\"\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/body\u003e","brand":"Ultrapower","offers":[{"title":"Default Title","offer_id":43453984636995,"sku":"UP-S4ACC","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/4760\/6083\/files\/4_f61b8986-a787-4e76-843c-4f83b126568f.jpg?v=1782357840","url":"https:\/\/www.uavsss.com\/products\/ultrapower-up-s4ac-charger-1s-2s-lipo-lihv-battery-charger","provider":"UAVSSS","version":"1.0","type":"link"}