clean the battery terminals that should fix it
usually blue smoke is oil
Overheating
is there blue smoke coming out of your exhaust? if there is then there is probably oil leaking into the cylinders.
Bad gas mileage. Car studders or shuts off at stop or turns. Black smoke.
A battery is a fortification that has heavy weapons to destroy the target and when they plunge into the "battery-smoke" they are plunging into the area where the battery had fired a weapon which is incredibly dangerous.
A battery-operated smoke detector is one which is not connected to your homes power supply.
The battery for the battery backup is weak maybe
new battery
If the battery dies the smoke detector sill works, that the biggest advantage to using hard wire.
Internal short in the lead plates, time for a new battery.
Either there is smoke, or the battery is going dead.
True