Trividia True Metrix Air Owner's Booklet page 50

Note: If battery is out of meter or dead too long, meter may
reset to original factory settings. Verify settings are
correct after replacing battery by going into Meter
Set Up and checking time, date, Ketone Testing Alert,
and Testing Reminders. Change if needed. Results in
Memory are not deleted and time and date on the
results does not change if battery is dead or removed
for any length of time.
Battery is not rechargeable. If you have a cable or
a cradle for downloading results to a computer, DO
NOT plug the USB cable end into an adaptor for
an electrical outlet or use any other type of charger.
Trying to recharge the battery or power the meter by
plugging into an adaptor for an electrical outlet may
cause meter to catch on fire and/or battery may
explode.
Battery might explode if mishandled or incorrectly
replaced. Do not dispose of battery in fire. Do not
take apart or attempt to recharge battery. Dispose
according to local regulations.
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