Aptoyu via Amazon offers its Aptoyu Solar Spotlight 4-Pack for $45.99. (Select the regular price option, not the lighting deal.) Coupon code "6T7HT4KF" drops it to $19.99. With free shipping, that's $6 under our October mention, $40 off list, and the lowest price we've seen. Each light features an adjustable spotlight and panel, charging time of six to eight hours, and a run time of up to 12 hours. Deal ends January 31.