[High-Performance Battery Jump Starter]: This powerful and safe car battery jump starter features a boosted 4000A cranking current, capable of instantly restarting your 12V vehicles, especially those with up to 10.0L gas/8.0L diesel engines, even at temperatures ranging from -4 to 140℉. It supports more than 1000+ recharge cycles, always ready to help.

[Comprehensive Safety Features]: Our jump starter is equipped with multiple protection mechanisms, including real-time voltage detection and alarms for abnormal conditions. The latest power management system ensures safety with features like short-circuit, over-current, reverse connection, over-heat, over-charging, and clip falling off protection. UL-2743 listing guarantees the ultimate protection for you and your vehicle.

[Built-In Smart Digital Tire Inflator]: Quipped with a large screen and tire pressure detection, it offers easy operation. The inflator reaches up to 150 PSI, suitable for various tires, kayaks, and balls. It's powerful, stable, and emits less noise. The device supports 3 pressure units (PSI, BAR, KPA) and can inflate a car tire to 20 PSI in just 2 minutes.

[Versatile 4-in-1 Design]: Our product is more than just a car battery booster; it's also a tire pumper, a portable power bank, and a LED flashlight. It supports fast charging and USB 3.0, making it compatible with smartphones, tablets, and other USB devices. With an input of 5V/3A and 9V/2A, and an output of 5V/3A, 9V/2A and 12V/1.5A, it provides efficient power delivery. The integrated 400-lumen LED flashlight offers three lighting modes: constant lighting, flash, and SOS, ensuring you're prepared for any situation.

[Package Contents & Warranty]: Included in the package are a Portable Lithium Car Battery Jump Starter, jump starter clamps, USB Cable, Air hose, Nozzle adapters*3, User manual, and a Delicate Carrying Case. Additionally, we offer a 2-YEAR FREE Warranty and Lifetime Technical Support, ensuring your satisfaction and peace of mind.