Home Depot offers the AeroVironment TurboCord 240-volt 16-Amp Dual Plug-In Electric Vehicle Charger for $499. Coupon code "HOMEDEPOT10" cuts it to $489. With free shipping, that's the lowest price we could find today by $10. It features a 20-foot cord, purports to charge up to three times faster than a standard charging cable, and is UL-listed for indoor and outdoor use. Deal ends October 31.