Walmart offers the Stanley FatMax 140-watt Power Inverter
bundled with a Freestanding Keychain LED Light
charges the same with free shipping for Prime members, although it doesn't come with the keychain.) Opt for in-store pickup
to dodge the $4.97 shipping charge. That's tied with our mention from a week ago and the lowest price we could find by $8. It plugs into a car cigarette lighter and features a 1-amp USB port and two outlets.