SMT1500 - Battery 99%, Alarms, Firmware Upgrade

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I recently upgraded the firmware to the latest version and replaced the battery.

the battery consistently shows as 99% and will not charge to 100%; hence I can’t run a calibration anymore.

also, power is very stable but the unit frequently will transition to battery generating an alarm. This started to be frequent after firmware upgrade. Not sure if there were some tighter voltage limits or something leading to this. It was not like this prior to me hooking it back to the internet and doing the upgrade.

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