Answer: We suggest to check the batteries first of all. Get or Do a load test on the batteries. You can take them to a mechanic, auto parts store or battery store and request a load test (to check their voltage). You can do it yourself if you have a volt meter.
Each battery must be load tested separately, not a combine test for 80% or 90% usability. The scooter runs on 24 volt, so each battery must have at least 12 volts each.
The charger will turn green if there is enough power in the battery to be charged, but that doesn’t mean the batteries have the capacity of 12 volts currently. For the keys we would recommend you to contact the manufacturer from the link below: http://www.zipr.com/contact.html: http://http://www.zipr.com/contact.html
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