Single Batteries For Rebuilding Pack 7.0 Ah for APC BK200 (using RBC 2),APC BK200B (using RBC 2),APC BK250B,APC BK250i,APC BK280B,APC BK300C,APC BK300X116,APC BK350EI,APC BK400,APC BK400B,APC BK500MC,APC PCPER,APC BK350,APC BK500,APC BK500BLK,APC BE500,APC BE500C,APC BE500U,APC BE725BB,APC BP