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Battery not charging — charger green light illuminated, doesn’t turn red to indicate charging Sondors Step


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Battery on 2019 Sondors Step will not charge. I plug the charger into it and charger light remains green (never turns red to indicate charging). I reset LCD to default just to make sure it want settings issue. Any ideas? I tried two different chargers as we ha e two of these bikes. When I remove battery and plug in to charger, 3 green dot lights turn on only when plugged in. 

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This did not work. Tried everything here and have the same issue. 2019 Sondors Smart Step. Battery indicator on LCD says 3 bars. Plug into charger and charger light stays green, battery does not seem to charge as after 6 hours charger light still green, and battery indicator is at 3 bars. Reset to default several times, still not fixed. Removed battery. Plugged into charger and pushed red power button--3 green lights lit up. Also, tried another charger with same symptoms--green light stayed on like battery isn't taking a charge.

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