NY Direct US via Amazon offers the VoltCube 150-watt Car Power Inverter for $16.89. Coupon code "4V4FKVED" cuts the price to $12.99. With free shipping for Prime members, that's tied with last week's mention, and the lowest price we could find by $8. It provides 150- watts continuous DC to AC conversion, two USB ports, and AC outlets for multi-purpose charging. Deal ends December 30.