A4C offers the refurbished iSound 2-In-1 Charger & Backup Battery for Apple iPhone/iPod, model no. DGIPOD-685, for $4.95 with free shipping. That's $3 under our February mention of a refurb and the lowest total price we've seen. (It's a current low for a new unit by $8.) It features a retractable USB cable and charge indicator. Deal ends May 18.

A 90-day A4C warranty applies.