START YOUR ENGINE RUNNING WITHIN SECONDS: The Hummer H24 is a very powerful Jump Starter with the output capacity of 1200A/12V-24V. H1 is capable of jump starting the weak/dead battery of large vehicles upto 7.0L petrol or diesel vehicles and upto 36 Tonne Trucks, even motorcycles, ATV, jet skis and speed boats. It can be used as a jump starter for up to 20 times on a single charge.