(5 pack) 1800 mAh Battery Chemistry: Ni-MH Part Number: JC1P-NM3618 Exit Sign Emergency Light Battery Fire Exit Sign, Fire Exit Light This battery works for the following models: Unitech Ni-MH AA1800mAh 3.6V OSA343 OSI OSA-343 This rechargeable nickel metal hydride battery is specifically designed for Exit / Emergency Lights. 8 " of wire length, Proper Wire Connector, Correct Polarity. Product Features: Voltage: 3.6 Volt Capacity: