3.6V 700MAH Exit Sign Emergency Light NiCd Battery Replacement. This is specifically made for the battery replacement of emergency and exit lights Replaces the following: S/L 026-148 SL 026-148 026-148 S-L 026-148 S/L026148 P-P504 SL-026148SP D-AA600BX3 BT-905 PQWBTC1461M BT-800 BT800 BT-905 BT905 works for 3.6v 700mah 3.6v 600mah 3.6v 800mah 3.6v 900mah 3.6v 1000mah contact me through amazon if you have any questions Ni-Cd Battery Replacement