Battery Tender® 2000 AMP Jump Starter - 16000mAh Power BankMaximum portable jump starting power. The Battery Tender 2000 Amp Lithium Jump Starter delivers 2000 peak Amps of cranking power for any 12V gas or diesel engine up to V8 the highest output standard portable jump starter in the Battery Tender lineup. For full size diesel trucks, large engines, extreme cold weather starts, and vehicles that have defeated lower output jump starters before, 2000 Amps is the specification that starts what others cannot.