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Forum Discussion
Battery Backup Failure - C7100V – Nighthawk AC1900 WiFi Cable Modem Router With Battery PB022
I have a C7100V – Nighthawk AC1900 WiFi Cable Modem Router with battery backup Model PB022. I purchased the battery almost two years after I purchased the cable modem router. I mention this is only t...
Be sure you have the proper model battery for the C7100v installed. You may have an incorrect model or the bettery you have is faulty.
You might want to check in to a external UPS system if you can't get the battery backup to work correctly.
The OP mentioned the battery part number PB022 and this is easily verified as the correct battery for the C7100V.