This deal has ended.
The Impulse 10000mAh Power Bank External Battery Charger in black or white is now $24.99 at NewEgg. With free shipping, that's the lowest price we could find. It works for iPhones, iPads, iPods, and a vast variety of other mobile and wireless phones & tablets. It comes with 7 interchangeable tips to fit ports in different devices, and can charge two devices at the same time. There's no sales tax (except CA, NJ, TN).