If it's just an occasional problem, I'd suggest getting one of those USB battery packs. You can get something that will recharge your phone 3 or 4 times for $4

If it's just an occasional problem, I'd suggest getting one of those USB battery packs. You can get something that will recharge your phone 3 or 4 times for $40. Buyer's guide: http://thewirecutter.com/reviews/best-usb-battery-pack-travel/ http://thewirecutter.com/reviews/best-usb-battery-pack-trave...