The Antigravity Batteries AG-1601 is getting into the massive power arena with 480 Cranking Amps. It is the smallest lightest 16-cell Lithium battery made. This is the go to battery if you need high power in compact size.

( Specifications )
* 4.5 x 3.25 x 5.25 inches (LxWxH)
* 480 Cranking Amps
* 22 Amp Hours
* 3.18 lbs.