Premium Power products compatible battery replacement for the APC RBC4, BK650MUS, BK650X06, BE750BB, BE750-CN, BE750BB, BP500JPNP, BP650PNP, BP650S, BP650SC, BP650SUS, SU620NET, SUVS650, SC620, BE750BB-CNQ, BE750BBQ, BE750BBW, BE750BBX450