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: 369-BH-SJC1P Exit Sign Emergency Light Battery Fire Exit Sign, Fire Exit Light, NiCD, Ni CD 3.6v 600mah 3.6 v 800 mah This battery works for the following models: OSA191 battery OSA-191 Teig T26000186 3.6V-AA-900mAh Battery 026-186 Battery All Pro 026186 Cooper APEL Battery APLEL