if you need one of these setups to charge them......you might have too many!
http://www.newegg.ca/Product/Product.aspx?Item=N82E16886938012&cm_re=usb_charger-_-86-938-012-_-Product (http://www.newegg.ca/Product/Product.aspx?Item=N82E16886938012&cm_re=usb_charger-_-86-938-012-_-Product)