AT&T Casa Systems - Replacement Battery for Wireless Internet

AT&T wireless internet replacement battery model- IFWA-40

The backup battery is intended for backup purposes only and can take up to four (4) hours to fully charge. Charge time may be impacted by environmental factors; the backup battery will stop charging when the ambient temperature is outside of the temperature range allowed for charging: 32°F (0°C) - 131°F (55°C)