T-Power AC DC Car Charger Compatible with Xtreamer 1080P HD Media Player Replacement Auto Boat adpater Switching Power Supply Cord Plug Spare

some time ago and it was um possibly a year ago i bought a couple of these um 12 volt to usb power supply units because i wanted to charge my google nexus 7 to use as a sat nav but the problem was it didn't charge very well it charged very slowly and it didn't say charging on the screen and i couldn't quite fathom out why so i did a bit of digging and found out that it was to do with the usb specification now i probably wouldn't have made this video if it weren't for the fact that it appears that maplin are still selling the what is it a 70 lb and this is the a70 lb i've punched a hole in where the screw is but you can see that that's the model number and they also appear to be still selling the two amp version of the mini one as well n98j zed and in fact if you look at the reviews on this it says one of the reviews is it's okay but let down by two things it won't charge up android phon