Description Antigravity AG-801 Lithium Battery Antigravity AG-801 Small Case Lithium 12v Powersports Battery At a very small 4.375 x 2.37 x 3.75 inches (LxWxH to top of terminals) this lightweight motorcycle battery offers extreme power in the most compact size in Lithium Motorsport batteries. The Antigravity AG801 weighs only 1.56 lbs and is best used for applications where extreme weight loss and ultra compact size are desired. The loss of large amounts of weight allows for faster acceleration, shorter braking distances, better overall handling and even mileage improvements – all beneficial for the everyday rider and racer. The AG-801 Lithium battery can be used for bikes from 600cc street use and 1200cc race use. The Antigravity Batteries AG-801 Lithium 8-Cell Motorsports battery is one of the most popular models. It is an extremely lightweight powerful battery in a small package.   Small Case format 4.375 x 2.37 x 3.75 inches (LxWxH) 240 Cranking Amps 11 Amp Hours (Pb Eq)/ 5.5Ah (Actual) 1.56 lbs   AG-801 Best Uses Capable of every day use in bikes up to 750cc. Great for use in all enduro bikes used for trail riding up to 750cc. Race use for Enduro and MX electric start bikes up to 1000cc. Race and Track Day use in motors up to 1200cc. (High Performance motors should use Antigravity Battery AG-1201.) Custom builds like cafe racers or small bore customs up to 800cc. (Please note if you use older classic bikes from mid 1980s and earlier you should update the charging systems to a modern voltage regulator.) Note: there is no BMS in the SMALL CASE Batteries, only Balance Charging. They are for closed course use only.