I have used these chargers on a couple of phones I have had now, and they are awesome. I bought 2, and i am glad I did. I bring them camping, to friends houses, and anywhere I think my phone might die on me. I just plug it in, and you can still use the phone while it is charging. This small charger can run your phone for a long time on just two batteries. It is suprising. These chargers are very durable, and you can get replacement tips if you lose them. You can also get tips for different phones/ portable electronics.