Lithium Ion Motorcycle Battery YTX12-BS Sealed Factory Activated - TRIUMPH Bonneville Speedmaster America Scrambler Thruxton Speed Triple (MMG5) Less volume and weight: 1/3 of normal lead-acid battery Exceptional cycle life: more than 2000 cycles under JISD standard (lead-acid battery 150-300 cycles). No maintenance needed for almost a year. Incredibly fast recharge rate Thinner than a regular battery, allows you to store a Power Commander or other device on the same compartment Replacement for YTZ10S, YTZ12S, YTZ14S, YTX12-BS, YTX9-BS, and others