Suggested Retail:$50. Black & Decker 500-Watt Power Inverter. The BLACK+DECKER 500-Watt Power Inverter is ideal for on the go household power in most all vehicles. Featuring (2) 120-Volt outlets and (2) high output USB outlets. The B+D 500-Watt inverter can be used by either plugging directly into your car's 12-Volt accessory outlet for up to 140-Watt of power or connect directly to the battery terminals for the full 500-Watt continuous power output.. OPEN PACKAGE. See pictures for more details. See "Notes To Bidder" for a more detailed definition of condition. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. PAID DELIVERY AND 7 DAY ALTERNATE PICK-UP ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.