Off The Grid... Well, Sort of

I bought a solar charger that is small enough to put in your pocket and can charge your cell phone or ipod or psp or any device that has a a/c plug in it. You can charge it in the sun which takes about 6-8 hours to fully charge it or you can plug it in to the a/c or the car cigarette lighter and it will charge in 4-5 hours which kinda defeats the whole purpose of being off the grid but what can you do eh? The reason I bought it is because it is portable and there have been a few times when my phone died because I forgot to charge it and I ended up in need of some way to keep the battery alive while still being able to leave the car (charger) to go into a building or something and still have the ability to make a phone call.