What could be causing my scooter battery to overcharge and overheat?

by Lisa
(Phoenix, AZ)

When I ride my Zhen King Kong 150cc scooter for more than a half an hour, the battery overheats. When I turn the bike off, there is a hissing noise for about 20 minutes. Then the battery will die.


I have had to replace my battery 3 times. Any idea what is causing the battery to overheat? Something is overcharging the battery but what is it?

P.S. I am riding in 75 degree weather, not overly hot days.

Comments for What could be causing my scooter battery to overcharge and overheat?

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Sep 10, 2010
Scooter battery
by: Anonymous

Thank you for the info. I will try that.

Sep 10, 2010
Voltage regulator
by: Anonymous

All electrical power for your scooter comes from the generator. the output of the generator goes to the voltage rectifier/regulator.

The rectifier/regulator controls the voltage going to the battery. Too high voltage will cause the symptoms you describe. Replace your rectifier/regulator.

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