Comment on Energizer battery charger contains backdoorparentComments−grogers16yAnother issue is that USB ports have a pretty small power limit - 2.5 Watts, so using it as a charger is going to take significantly longer than what you plug into the wall...
Comments
Another issue is that USB ports have a pretty small power limit - 2.5 Watts, so using it as a charger is going to take significantly longer than what you plug into the wall...