AUTOGEN 4000A Car Battery Jump Starter Lithium Jump Box (10.0L Gas and 10.0L Diesel Engine), Auto Battery Booster Pack, Portable Car Battery Charger Jump Pack with 12V DC Output and EVA Case - MJS111-4K

• Unbeatable Power - AUTOGEN 4000A is designed for heavy duty, it delivers 4000 Amp + to ensure the successful jump start of your 12V vehicles even in cold winter! Up to 10.0L gas & diesel engines. Boost start a dead car battery with only one simple press. Safety First - Thanks to its large capacity battery, and patented mistake proof connection, the battery holds a charge longer and is less to be drained out or damaged. Professional-grade copper clamps are 1/2 larger, 100% copper cables all designed for high power output delivery in no time. Built-in 12V DC Outlet - It works as a compact portable 12V DC power bank, battery charger for your automotive products. No extra cable needed Quick Charge 3.0 & Micro USB ports - 75% faster when charging smartphones or tablets. and save 1/2 time for the recharge 12-month warranty, 30-day money back and 24/7 friendly customer service.