My iPod will not take a charge from my usb port charger

My iPod will not take a charge from my usb port charger

I was using my iPod everyday and it was workin fine then i lost my iPod charger and the iPod died so I let it set for a couple of months then i finally got a charger for it and I plugged it in and it came on and shut right back off and it will not come on or hold a charge at all what is wrong with it battery problems maybe???? The Last time it was charged i used a wall charger but this time i got a usb charger and its not workin.

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