8 Hour Arris Touchstone Modem Backup Battery for Tm802 Tm822 (colors vary)
NEW Arris Battery ARCT02220 Touchstone TM802, 502, 602 and TM822 telephony modems and TG852, TG862G/CT and TG862 residential gateways. Also fits many more Arris models used by Comcast Xfinity and Time-Warner.