TMS AGM Ut4b-bs Yt4b-bs Motorcycle Battery for Yamaha Ttr50e Ttr90e Suzuki Dr-z70 Sr400 Vino 50 Yj50r Classic Maintenance-free, no acid water needed, never needs re-filling Will not leak even in the upside-down position; Advanced lead-calcium technology pumps up starting power Advanced lead-calcium technology pumps up starting power Resists shock and vibration Long lasting which means High Performance Maintenance Free batteries will last up to three times longer than conventional batteries. Battery Family: Maintenance Free Battery Type: YT4B-BS Voltage: 12 Dimensions(mm): 113mm x 38mm x 87mm