CTM HS-268, Service Manual

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The minimum voltage of a standard lead-acid battery is 19.2v.
SERVICE - 6
Battery Pack Repair :
1.Remove the battery pack from the scooter
2.Turn it around and find the battery pack power socket
3.Use a multi-meter to measure the battery voltage. The black socket is negative the red
socket is positive.
4.Observe the reading on the multi-meter.
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Lithium battery measurement normal range : 19~29v
※
Lithium battery measurement outside the normal range: below 19v, please refer to the
following “Battery Failure Instructions”.
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If the battery voltage is within the normal range, but it cannot be charged, the charger
may be faulty. Refer to SERVICE-6-4 Charger Inspection.
Battery Failure Instructions :
Confirm that the connectors are normal. If the lithium battery voltage is below 19v, please
charge the battery. After charging the battery for 30 minutes, measure again to check if
the voltage is still 19v :
1.If the voltage rises with charge, continue charging until the battery is fully charged.
2.If the voltage remains below 19v, the lithium battery has been damaged.
3.In this case refer to : SERVICE-6-3 Battery Pack Removal.