yann244 Posted April 25, 2019 Share Posted April 25, 2019 Hi I look for a solution with my es1 ninebot. No solution on internet and gearbest give me a little refund. I have the red key and beep beep sounds and error 45 on screen On android application it says: "buil in battery is overly charged and avaible to charge please replace battery (45)" I checked with NINEBATTERY , all cells 3.6 v and my battery is charged at 39% Any idea??? code lists ends at 44 ! Thanks for your help. Yann Quote Link to comment Share on other sites More sharing options...
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