Did you get a wall charger with it, if so, what colors do the leds on it show? Don't mind me saying, but is the on/off switch on full (not halfway shorting now and then) Try all the switches a couple of times, some or one might hang. If you have a red and green light on the charger, it charges, let it a couple of hours if so.
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This sort of thing has cropped up before....and it has always been due to human error.
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