ARRIS battery pack for Touchstone TM502G, TM502H, TM504G, TM504H, WTM552G, TM602G, TM602H and TM722G telephony modems.
- Lithium-ion Battery Pack
 - 2200 mAh
 - 2 Cell
 - Up to 5 Hours of Hold Time
 - The estimated service life of a lithium-ion battery is 6 to 10 years.
 - ARRIS battery packs include a 1 year limited warranty.