The Antigravity AG-1201 Lithium Small Case Battery has 360 Cranking Amps yet is only 4.5 x 3.25 x 4.25 inches. This lithium-ion motorcycle/powersports battery is a great choice for those seeking very high power in a tiny format. It can replace the typical 12 Ah Lead/Acid battery with a weight savings of up to 7 pounds while offering much more cranking power. The ultra lightweight Hi-Power AG-1201 battery is best used for applications where extreme weight loss and ultra compact size are desired.