YTX7A-BS 7A-BS Lithium Ion Sealed Powersports Battery 12V 160CCA Motorcycle Scooter ATV - Factory Activated, Maintenance Free (MMG2) 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 No pollution: safe for the environment. Does not contain any acid and heavy metals such as lead, cadmium, or mercury Replaces: APTX7A-BS, CTX7A-BS, ETX7A-BS, FAYTX7A and others.