Dell Home offers its Dell Power Companion and Premier Briefcase, model no. POWERMB, for $149.99 with free shipping. That's $70 off list and the lowest total price we could find. The briefcase features an internal pocket to hold the battery for charging on-the-go, fleece-lined laptop sleeve, fleece-lined tablet sleeve, accessory organizer compartment, and fits up to a 15.6" laptop. It includes a 12,000mAh, 4-cell battery with two charging ports and two charging cables. Deal ends March 30.