Introducing the Antigravity Batteries ATZ5-X Lithium Motorcycle and Powersport Battery. This battery is designed to be a direct replacement for Motorcycles and Powersports Vehicles that use the YTZ5 size battery. This includes most all motocross, enduro dirt and trail bikes up to 450cc. It features a LARGER lithium ion battery-pack inside than stock lithium batteries and competitors batteries of the same model size. The top competitor offers a 2 Amp Hour lithium battery in it, but Antigravity Batteries gives you a larger 2.4 Amp Hour battery inside! This equates to the better Cranking Power and Amp Hour Capacity and results in better overall starting, longer storage times, and stronger motor turn-over! We don't falsely inflate our Cranking Amps like some Competitors, we simply offer the largest and most powerful battery in its classfor particular similar sized batteries.The ATZ5-X features a universal fit for most all bike using this size of Lithium Battery, it is provided with spacers for any size variations. Antigravity Batteries are trusted and used by more Professionals and Championship winning Race Teams than any other Lithium battery on the Market, and are compatible with all 12v systems for Powersports, Motorcycles, ATV, UTV, PWC, Scooter, snowmobile, quad, 4 wheeler, jet ski, waverunner, riding lawn mowers, generators and more. We make a fit for all brands including - Aprilia, BMW, Buell, Ducati, Harley-Davidson, Indian, Victory, Triumph, KTM, AGAS GAS, Husqvarna, Can-Am, Honda, Kawi, Suzuki, Arctic Cat, BRP, Waverunner, Polaris, Vespa - motorcycles, This Battery replaces these Lead Acid Batteries YTX4L-BS, YTZ5S-BS, YTX5L-BS, YTZ7S, YTZ7L-BS, BTZ4L-BS, BTZ5S, BTZ5L-BS, BTZ7S, BTZ7L-BS