ANCEL BS400 Supercapacitor Jump Starter — Permanently Installed 12V, 1300A Peak, App-Monitored

The 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.

How does the BS400 start a vehicle even when the battery is dead?

The 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.

• 1300A peak output for immediate engine cranking.
• Works down to -40°F and up to 176°F for extreme climates.
• Can start vehicles with 0V battery or frozen conditions.
• Type-C charging accepts small power banks for emergency top-up.

Will the BS400 harm my vehicle or electrical system?

No — 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.

• Full overcurrent, short-circuit, and reverse-polarity protection.
• IP65-rated enclosure resists dust and water spray in the engine bay.
• Built to withstand daily start-stop cycles without adding stress to the vehicle.
• Automatic operation reduces human error during jump procedures.

How does the BS400 preserve and monitor my battery over time?

Once 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.

• Reduces battery wear and stabilizes voltage during starts.
• Delivers up to 500,000 cycles and a projected multi-decade lifespan.
• Real-time voltage, temperature, and start history via the mobile app.
• Automatic alerts warn you before a battery failure occurs.

How easy is installation and day-to-day use?

Installation 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.

• Permanent or temporary mounting options included.
• No routine maintenance; works automatically for most starts.
• Quick Type-C emergency recharge from a small power bank.
• App-controlled Force Start to initiate a boost from the driver's seat.

Who 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.