These power banks have a standard USB input, so they'll work with any charging cable.
Brad's Deals Editor Michael,
Get a Scosche GoBat Rugged 12W 6,000 mAh Portable Battery Pack for $13.99 with free shipping when you apply our exclusive code BDBATRY14 in your cart at iTechDeals.com. This is the best price we found for one by $6. These portable batteries have an IP68 dustproof and waterproofing rating, so they're safe to use outdoors and in heavy rain. They're also encased in a high-impact shell, so they can survive drops of up to 9'. There is no sales tax (except NJ).