Antigravity Batteries AG-1601 Lithium-Ion Powersports Battery, Small Case, One Size, Black Antigravity AG-1601 Lithium Motorcycle/Motorsports Battery, Small Case format Built in the USA to high quality standards with unbreakable all-Brass terminal design Ultra Lightweight: only 3 lbs. Enjoy better handling, braking and acceleration Massive Power: 480 Cranking Amps. Faster motor turnover and better starting Tiny Footprint: 5.5 x 3.25 x 5.25-in. Half the size of lead/acid but Twice the power!