Key Features:

• Adtran Total Access 1175044L2 Battery Backup System With Hinge (Wallmount)
• Wall-mount battery backup system with hinged battery access door
• Supplies 8 hours of uninterrupted backup power to the Total Access 612, 616, 624, 750, 850, 912, 916, 924, 908e, 916e or 924e
• Requires AC power supply/battery charger (1175043L3) when used with the Total Access 850