boost box for cars Portable Car Battery Jump Starter 4000A 16800mAh Jump Box, Car Battery Jumper Starter Portable Jumper Cables for car(8.0L Gas/6.5L Diesel), Fast

boost box for cars Portable Car Battery Jump Starter 4000A 16800mAh Jump Box, Car Battery Jumper Starter Portable Jumper Cables for car(8.0L Gas/6.5L Diesel), FastHigh Performance Car Jump StarterDriven by stable 3500A, the jump box for car battery portable can easily restart 12V dead vehicles up to 8. 0L gas & 6. 5L diesel engines in seconds even at 4~140. Support more than 1000+ jumps and easier than asking help from others or roadside service. 16800mAh Power BankIntegrated 4 thinner, high capacity battery packs, the battery jumper starter portable also works as a long lasting power bank recharging any

【High-Performance Car Jump Starter】Driven by stable 3500A, the jump box for car battery portable can easily restart 12V dead vehicles up to 8.0L gas & 6.5L diesel engines in seconds even at -4℉~140℉. Support more than 1000+ jumps and easier than asking help from others or roadside service.

【16800mAh Power Bank】Integrated 4 thinner, high-capacity battery packs, the battery jumper starter portable also works as a long-lasting power bank recharging any personal mobile device, like smartphones, tablets, or other USB devices.

【Wide Angle Multifunctional Light】The jump pack features super bright lights in 4 modes (Flashlight, Strobe(White), Strobe(Orange), SOS). Dual-angle design, wider irradiation range. Suitable for changing tires or checking the engine, for warning or drawing attention, outdoor adventure, traffic accidents or doubling as a warning triangle and many other use scenarios. Make your journey safer.

【Rugged Cover & Weatherproof 】Built with a waterproof, dustproof, and shock-resistant shell, this portable jump starter for car with stands rain, snow, and rough terrain. Ready for Any Challenge!

【10 Safety Protections】Built-in German imported smart chip, the battery charger car jump starter will automatically perform 10 protections such as short circuit, overheating, overvoltage, overcharging, deep discharge, overcurrent and reverse current. Reliable partner of the vehicle. Designed with ease of use in mind, it's perfect for beginners.

【Ultra Compact】Only 0.8lbs, the jump pack for car battery fits perfectly into corner of your pocket or car. Allowed on planes. Portable and comes in handy always.【Friendly Reminder】 Ensure your jump starter power pack has at least 50% battery before each use for a reliable boost. If not inuse, recharge it every 3 months to maintain optimal performance and extend battery life.