This rechargeable nickel metal hydride battery is specifically designed for Wireless Security System Product Features: Voltage: 7.2 Volt Capacity: 3600 mAh Battery Chemistry: Ni-MH Part Number: XML-7236-SS Battery Replacement This battery works for the following models: IMPASSA 9057 Battery 6PH-H-4/3A3600-S-D22 Battery SCW9057G-433 Battery SCW9057G433 OSA273 Battery OSA-273 SCW9057G433 Battery 17000145 17000152 Battery SCW-9055 Battery SCW9055 SCW-9057 Battery SCW9057