Thumb Score: +22 Walmart.com has Schumacher PC-6 120V AC to 12V DC Power Converter on sale for $12.04 when you select free store pickup. Thanks sixseven Note, must select store pickup for the extra discount. Alternatively, Amazon.com has for Prime Members: Schumacher PC-6 120V AC to 12V DC Power Converter on sale for $12.04.