2.This 1.2v 900mah battery ni-cd is specifically designed for Exit / Emergency Lights
3. Works for the following models: 1.2V KRH15/51 Dison 1000MAH Unitech AA900mAh 1.2V OSI OSA268 OSA 268 MINBO AA 1000 1.2V Lithonia EXR LED EL M6 KR-AA900MAH 1.2V Lithonia EXR EL 122 C4T Lithonia ELB CS01 Lithonia ELBCS01 Dantona Custom322 Custom-322 BST DAA900BT.
4.Over-voltage, over-current, over-charge, and short-circuit protection