KYMCO Downtown 350i Repair Manual page 448

9.Electrical Systems Downtown 350i
Lift the battery out of the battery tray.
Testing
Check the battery voltage with a multi-meter. Place the positive probe onto the
positive battery terminal and the negative probe to the negative battery terminal.
If the battery reads under 12.3 V it is undercharged.
Battery Voltage (20°C/68°F)
Fully Charged 13.0 - 13.2 V
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