START COMPLETELY DEAD BATTERY - Built-in 2000A peak current start the 7.0L gas engine/3.0L diesel engine and 12V vehicles within 30s. The car battery jump starter will detect vehicles' voltage automatically, when the voltage is less than 9v, the jump starter will beeping intermittently and the screen of the jump starter battery pack will display "PRESS BOOST BUTTON" to enter 30 seconds manual override mode to start your fully drained batteries. BOOST BUTTON only be pressed when fully drained.
ADVANCED PROTECTION TECHNOLOGY - The portable Lithium jump starter car battery cables are constructed with all-metal clamps to prevent breakage caused by long-term use. And it also has 8 protections, including reverse polarity, reverse connection, over current, over voltage, overload, over-charge, over-discharge, short circuit. All the protections make yourself and your loved ones safe.
POWERFUL JUMP STARTING: The S8 Ultra Jump Starter features a powerful 4000 A current and a 24000 mAh battery capacity, along with a 45 C discharge rate. It can boost up to 10 L gas and 8 L diesel engines, even when fully drained.
FULL PROTECTION: The S8 Ultra Jump Starter provides 10 comprehensive safeties, including reverse polarity, overcurrent, reverse connection, overvoltage, overcharge, overdischarge, overload, short circuit, low/high-temperature protection, and spark-resistance. It is also waterproof (IP 65), dust-proof, and drop-proof.
WIDE COMPATIBILITY: Equipped with multiple ports (5 V/9 V/12 V output USB-A port, 5 V/2.4 A output USB-A port, Type-C in/out port, 15 V DC port), this jump starter is a versatile power bank that charges various electronic devices and powers DC car accessories. Power anything from car vacuum cleaners to cellphones with the S8 Ultra Jump Starter.
Product From USA