Oak Leaf via Amazon offers its Oak Leaf Stainless Steel LED Solar Pathway Light 12-Pack in Gunmetal for $15.99. Coupon code "Y7P8OSBN" drops it to $13. With free shipping for Prime members, that's $5 under last month's mention and the lowest price we could find by $11. Each light turns on automatically at night and features a solar-powered 300mAh NiCD battery that charges during the day, providing up to eight hours of light on a full charge. Each measures 14.3" tall (including mounting spike). Deal ends January 31.