Visonic 99-301712 Battery for PowerMax 10 Express Alarm
Amazon.com: Battery Replacement for Visonic Powermax Bell Box PowerMax MCS-700 0-9912-J GP250BVH6AMX (230mAh/7.2V) : Electronics
Synergy Digital Alarm System Battery, Compatible with Visonic Powermax Bell Box Alarm System, (Ni-MH, 7.2V, 230mAh) Ultra High Capacity, Replacement for Visonic 0-9912-J Battery - Walmart.com
2000mAh 0-9912-G, 103-300672, GP180AAH8BMX Battery for Visonic Powermax Pro - Walmart.com
Visonic 0-9913-W Battery for Powermax + Plus Alarm Back Up
Amazon.com: Battery Replacement for Visonic Powermax Bell Box PowerMax MCS-700 0-9912-J GP250BVH6AMX (230mAh/7.2V) : Electronics