Old 01-14-19, 07:50 PM
  #10  
Doc_Wui
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Join Date: Jul 2015
Location: Chicago Suburbs
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Bikes: GT Transeo & a half dozen ebike conversions.

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Many inexpensive ebike chargers need to be connected to the battery first before they are plugged into the AC socket. The charger light will glow green After that, connect to the AC power, The charger light turns red, and will go green when fully charged. Otherwise the charger may sit there showing green, and the battery never takes a charge.

I'm sitting here in my hotel room right ow, charging up two batteries for the electric folding bikes we brought with us in our car.

Anyone familiar with ebikes and batteries should be able to diagnose a bad charger is a few minutes. Chargers are quite inexpensive and pretty universal. Checking out a bad battery takes more skills and time.
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