All4Cellular offers this 2,500mAh Portable Backup Battery with Four Adapters in Leopard for $8.95 with free shipping. That's a buck under our January mention and the lowest total price we could find for a comparable charger with adapters by $13. It provides backup power to USB-compatible devices and comes with four interchangeable adapter heads (an Apple 30-pin, mini-USB, micro-USB, and Nokia tip). Deal ends November 18.

Don't need the adapters? SuperDealzShop via Amazon offers Prime members a similar 2,500mAh portable backup battery for $5.93 with free shipping.