A4C offers the Belkin 3,000mAh Travel Rockstar Battery Pack / Surge Protector for $19.95. Coupon code "WRAPITUP" cuts it to $15.96. With free shipping, that's the lowest price we could find by $4, although we saw this for a buck less two weeks ago. It features two outlets, USB, and a 615-joule surge protection rating. Deal ends May 27.