Suaoki via Amazon offers its Suaoki Collapsible Clover Style 18-LED Solar-Charged Tent Light in Orange or Green for $18.99. Coupon code "8TKEDE73" cuts it to $15. Plus, Prime members receive free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.58.) That's tied with our November mention, $15 off list, and the lowest total price we could find. It features three solar panels, three lighting modes, mini USB port, and 680 mAH battery.