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Forum Discussion
AirCard 770s no battery error
Intermittently my AirCard 770s displays a no battery error. Removing the battery resets the AirCard and the AirCard works ok for 15 minutes then displays the no battery error again. The battery is fu...
I used the 770s without the battery as someone suggested, but eventually that was sketchy and needed to be re-started all the time.
Went on Amazon and found the Sierra Wireless W-5 Replacement Battery with the same specs as my original battery (under $10 now).
Worked fine for one day, now back to the same No Battery and Critical low-power errors.
Build date on my unit was 9/30/2014 and it started in with the errors exactly a year later. Very frustrating.
See my (GlenRoberts) message posted 11/20/2015.
Great advice thank you.
I did a factory re-set and may have solved the problem that way, we'll see if the errors pop up again. If so I'll remove the battery and SIM card as you suggested. Glad you are up and running again.