Description 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 very high power in a compact size. Small Case format 4.5 x 3.25 x 5.25 inches (LxWxH) 480 Cranking Amps 16 Amp Hours (Pb Eq) 3.18 lbs