NOCO Boost Plus GB40 1000 Amp 12 Volt UltraSafe Lithium Jump Starter Box wrecker The Big Max is our The Big Max is our longest long reach tool featuring a pre bent shape that makes it usable in most situations without any further modification making them highly visible and easy to locate in low light or nighttime scenarios 1000 amp portable lithium car battery jump starter pack up to 20 jump starts on a single charge and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters Safely connect to any 12 volt automotive car battery with our mistake proof design featuring spark proof technology and reverse polarity protection