Kmart offers the Bell Automotive Products 5-Outlet Power Station with Dash Mount, model no. 22-1-39279-8, for $6.99. Opt for in-store pickup to dodge the $5.99 shipping fee. That's the lowest total price we could find by $8. It feature s 3.5-foot cord, two USB ports, replaceable 5-amp fuse, and a storage compartment.