8HR+ ARRIS BACKUP MODEM BATTERY TG862 TG852 TM502G TM602 TM702 TM722 TM822
Colors may vary.
Battery hold times are typical and can be influenced by the age of the battery, the charging state, storage conditions and operating temperature as well as factors such as data and voice usage. The estimated service life of a lithium-ion battery is 6 to 10 years but can be reflected by environmental issues too.
These batteries are used.
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