Compatible to: BK250B, BK280B, BP280, BP280PNP, BP280C, BK400, BK400B, BP420, BP420C, BP420PNP, SUVS420, PCPER, BK500MC

SPECIAL NOTE:

ONLY FOR INDICATED APC UPS'S : BK250/280/300/400/420 BP280/420/500 SU420 RBC FOR BACK-UPS BACK-UPS PRO SMART-UPS V/S AND POWERCELL SPECIAL USER NOTE: FOR ANY BK250 BK300 BK400 BK400B PCPER OR PCP RO CHECK THE BOTTOM OF THE UNIT FOR THE BATTERY TRAP DOOR. IF THIS BATTERY DOOR DOES NOT EXIST YOU MAY HAVE AN OLDER VERSION OF ONE OF THESE UNITS THAT DOES NOT HAVE USER REPLACEABLE BATTERY CAPABILI TY. FOR SERVICE OPTIONS REGARDING OLDER UNIT VERSIONS PLEASE CONTA CT APC CUSTOMER SERVICE AT 800-800-4272.