{"product_id":"qa450b-84v-5a-fast-lithium-battery-charger-110v-us-plug","title":"QA450B 84V 5A Fast Lithium Battery Charger (110V US Plug)","description":"\u003cp\u003eThe \u003cstrong\u003eQA450B 84V 5A Fast Lithium Battery Charger\u003c\/strong\u003e delivers rapid, safe, and highly efficient charging for high-performance electric bikes equipped with 72V (20S) lithium-ion battery packs. Engineered with advanced switch-mode architecture, it achieves an impressive 93% efficiency to minimize energy loss, reduce heat, and safeguard long-term battery health.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Fast Charging:\u003c\/strong\u003e Delivers consistent 5A output at 84V with up to 93% conversion efficiency for rapid turnaround times.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Thermal Management:\u003c\/strong\u003e Integrated quiet cooling fan and aluminum heat dissipation design maintain optimal operating temperatures during extended charge cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety Protection:\u003c\/strong\u003e Built-in protections against over-voltage, over-current, short circuit, and reverse polarity safeguard your battery pack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Portable:\u003c\/strong\u003e Rugged, shop-ready enclosure weighing just 1.4 kg, suitable for both garage and trackside charging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QA450B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Battery:\u003c\/strong\u003e 72V (20S) Lithium-ion (84V full charge cutoff)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Input:\u003c\/strong\u003e 100–120VAC, 5.5A Max, 50\/60Hz (Standard US AC Plug)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Output:\u003c\/strong\u003e 84V \/ 5A (CC\/CV charging profile)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConversion Efficiency:\u003c\/strong\u003e ≥93%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Weight:\u003c\/strong\u003e 1.4 kg (3.08 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"motortt","offers":[{"title":"Default Title","offer_id":47162798407878,"sku":null,"price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3409\/9910\/files\/41ef3162.jpg?v=1788945409","url":"https:\/\/motortt.com\/products\/qa450b-84v-5a-fast-lithium-battery-charger-110v-us-plug","provider":"motortt","version":"1.0","type":"link"}