Meritline offers the Merax Universal USB Car Charger for Notebooks for $22.99. Coupon code "MLCK923TANL1" cuts it to $12.99. With free shipping, that's tied with our July mention and the lowest total price we could find by $4. It features eight connection tips to fit most laptops (including some older Apple notebooks), LED power status indicator, and adjustable voltage. Coupon expires after 200 uses.