Today only, Pennywise again offers the Duracell Powerhouse USB 2.0 / mini-USB Device Charger for $14.99. Coupon code "dealnews1" cuts it to $13.99. With 1-cent shipping, that ties last week's mention as the lowest total price we could find by $6. It features a 2,000mAh external battery and can power two devices at once (via USB and mini-USB) with up to 60 hours of backup power.