KYMCO K-XCT 300i Owner's Manual page 570

13. Electrical System > Battery
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
13‐8
K- XCT 300i