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I went on aliexpress to buy a replacement battery for my wisper bike after asking where I could purchase a replacement for my bike, I selected a battery which in the add was black waited nearly 3 weeks for it to turn up only to find they had sent a silver one. I complained to the seller and they...

Hi all, Iv owned this bike from new,bought in 2015 or 2011 not quiet sure of the year but after carefully looking after the battery it's failed on me,after a full charge it's only reading one red light and 1 green,doesn't matter how long it's left on for the results the same, iv been reading...

I bought a wisper bike back around 2012, possibly 2011, haven't done many miles on it and I'm getting a few problems with it .Hopefully someone on this forum will be able to give me some advice on the right route to go down. Thanks for having me!.