{"product_id":"ancel-bs400-supercapacitor-jump-starter-permanently-installed-12v-1300a-peak-app-monitored","title":"ANCEL BS400 Supercapacitor Jump Starter — Permanently Installed 12V, 1300A Peak, App-Monitored","description":"\u003cstrong\u003eThe ANCEL BS400 is a permanently connected supercapacitor jump starter that delivers instant high-burst power to start 12V vehicles and actively protects and monitors your battery 24\/7.\u003c\/strong\u003e\n\n\u003cp\u003eThe ANCEL BS400 replaces the uncertainty of traditional jump starters with a permanently installed supercapacitor that supplies instantaneous starting power, monitors battery health, and reduces battery wear. Engineered for harsh temperatures and everyday use, it’s designed to keep trucks, SUVs, RVs and passenger cars starting reliably while logging starts and alerts to a mobile app. Installation is straightforward, and once connected the unit operates automatically with optional manual \"Force Start\" from inside the vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the BS400 start a vehicle even when the battery is dead?\u003c\/h3\u003e\n\u003cp\u003eThe BS400 uses high-capacity supercapacitors to store and release energy instantly, delivering a burst of current without relying on chemical battery output. This physical charge transfer is immune to cold-cranking failure and the degradation that affects lead-acid batteries, enabling starts from very low or zero-voltage conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1300A peak output for immediate engine cranking.\u003c\/li\u003e\n\u003cli\u003eWorks down to -40°F and up to 176°F for extreme climates.\u003c\/li\u003e\n\u003cli\u003eCan start vehicles with 0V battery or frozen conditions.\u003c\/li\u003e\n\u003cli\u003eType-C charging accepts small power banks for emergency top-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the BS400 harm my vehicle or electrical system?\u003c\/h3\u003e\n\u003cp\u003eNo — the BS400 includes comprehensive circuit protections to prevent damage from misconnections, reverse polarity, or short circuits. It is designed for permanent engine-bay mounting with IP65 waterproofing and robust thermal tolerance, so it behaves safely around common automotive hazards.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFull overcurrent, short-circuit, and reverse-polarity protection.\u003c\/li\u003e\n\u003cli\u003eIP65-rated enclosure resists dust and water spray in the engine bay.\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand daily start-stop cycles without adding stress to the vehicle.\u003c\/li\u003e\n\u003cli\u003eAutomatic operation reduces human error during jump procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the BS400 preserve and monitor my battery over time?\u003c\/h3\u003e\n\u003cp\u003eOnce connected, the BS400 absorbs the bulk of the starting load so your vehicle battery experiences far fewer high-current stress events. The system continuously monitors voltage, temperature and start events, logging data to the ANCEL app and sending alerts before low-voltage situations become critical.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces battery wear and stabilizes voltage during starts.\u003c\/li\u003e\n\u003cli\u003eDelivers up to 500,000 cycles and a projected multi-decade lifespan.\u003c\/li\u003e\n\u003cli\u003eReal-time voltage, temperature, and start history via the mobile app.\u003c\/li\u003e\n\u003cli\u003eAutomatic alerts warn you before a battery failure occurs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and day-to-day use?\u003c\/h3\u003e\n\u003cp\u003eInstallation can be permanent using U-type terminals or temporary with the provided clamps; both methods are engineered for fast setup. After installation the unit typically requires no maintenance — it detects and assists starts automatically, and a manual \"Force Start\" can be triggered from the app if needed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePermanent or temporary mounting options included.\u003c\/li\u003e\n\u003cli\u003eNo routine maintenance; works automatically for most starts.\u003c\/li\u003e\n\u003cli\u003eQuick Type-C emergency recharge from a small power bank.\u003c\/li\u003e\n\u003cli\u003eApp-controlled Force Start to initiate a boost from the driver's seat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ANCEL BS400 is ideal for drivers who demand dependable starting in extreme temperatures, owners of trucks, SUVs, RVs, and off-road vehicles who need a robust, always-ready solution, and anyone who wants to extend battery life and receive proactive battery health alerts. It suits fleets and high-use vehicles as well as weekend drivers who prefer a permanently installed, low-maintenance protection system that eliminates frequent roadside jump-starts.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the BS400 start a vehicle with a completely dead battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The BS400’s supercapacitors can deliver a high-current burst to start many 12V vehicles even at 0V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to remove the unit for car washes or winter service?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The BS400 is IP65-rated for engine-bay mounting and stays installed through routine service and weather exposure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ANCEL","offers":[{"title":"Default Title","offer_id":55172539908439,"sku":"B0GXTQ3NYZ","price":318.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ancel-bs400-front-view.jpg?v=1790451659","url":"https:\/\/britishgarage.co.uk\/products\/ancel-bs400-supercapacitor-jump-starter-permanently-installed-12v-1300a-peak-app-monitored","provider":"British Garage","version":"1.0","type":"link"}