MU Series is a Long service life battery up to 20 years expected life under normal float charge. As with all CSB batteries, all are rechargeable, highly efficient, leak proof and maintenance free. .   ................................................................................................................................................................................... Series Info MU Series Features MU Series Applications: MU Series Dimensions: MU Series Unit Battery Specifications MU Series Characteristics MU Series Combination Battery Specifications MU Series Combination Battery Shape Example MU Series Terminal Details MU Series Discharge Rate in Watts @ 25? (77?) ................................................................................................................................................................................... Technical Info MU Series Characteristics MU Series Combination Battery Specifications MU Series Discharge Rate in Watts @ 25? (77?) MU Series Discharge Rate in Amperes @ 25? (77?) Series MU1000 MU1500