This rechargeable nickel cadmium battery is specifically designed for Emergency and Exit Lights Product Features: Voltage: 3.6 Volt Capacity: 900 mAh Battery Chemistry: Ni-CD Part Number: RTO1P-BH369 Emergency Light Replacement Battery This battery works for the following models: 18626 Battery BGNB001 Battery Custom-256 Custom256 Battery ELB-B001 ELBB001 Battery ANIC1566 Battery 00257 Battery ELM2LED EU2 LED Battery OSA257 OSA-257 Battery 0253799 Battery AA700MAH 3.6V Battery AA900MAH 3.6v Battery elb-b001 batteries elb b001 battery elb battery lighting battery ELB-B001 Battery ELBB001 Battery CM-1185 Battery CM1185