How can a power adapter range from $3 to $19? Here's how: http://www.righto.com/2014/05/a-look-inside-ipad-chargers-pricey.html http://www.righto.com/2014/05/a

How can a power adapter range from $3 to $19? Here's how: http://www.righto.com/2014/05/a-look-inside-ipad-chargers-pricey.html http://www.righto.com/2014/05/a-look-inside-ipad-chargers-pr... I have no idea if Hyperice guns are actually high quality or just good at marketing, but my experience with power tools is that you generally get what you pay for. Products that cost 10% of the price are often so crappy that you really don't want to use them.