Tacklife Direct via Amazon offers the Tacklife Solar Powered Auto Darkening Welding Helmet for $29.97. Coupon code "GQ8KK2AX" cuts it to $20.98. With free shipping, that's $17 under our mention from last November, $9 off list, and the lowest we've seen. It features four sensors, external controls, and adjustable headband. Deal ends January 15.