Maxwells Attic offers the IOGEAR GearPower Susan G. Komen Edition Portable Battery Pack for $18. Coupon code "DNEWS1175" cuts it to $13. With free shipping, that's the lowest total price we could find by $12. This rechargeable 2000mAh battery pack is compatible with most devices which plug into a USB, or micro-USB power source. Coupon expires November 12.