This rechargeable nickel cadmium battery is specifically designed for Exit / Emergency Lights. 8 " of wire length, Proper Wire Connector, Correct Polarity. Product Features: Voltage: 3.6 Volt Capacity: 900 mAh Battery Chemistry: NiCad Part Number: RTO1P-BH369 Exit Sign Emergency Light Battery Fire Exit Sign, Fire Exit Light, NiCD, Ni CD 3.6 v 900 mah 800 mah 600 mah 1000 mah .9AH .9 AH 1.0AH 1.0 This battery works for the following models: ELB-B001 ELBB001 AA900MAH 3.6V Ni-CD AA700MAH 3.6V Ni-CD 0253799 EU2 LED NIC1566 ANIC1566 Custom-256 Custom256 Exell EBE-256 EBE256 BGNB001 Battery 18626 Battery 00257 OSA257 OSA-257 ELM2LED