Mulcolor offers the Holan Solar Spotlights 4-Pack for $37.99. Coupon code "BXHTWHHT" drops it to $23.99. With free shipping, that's $2 under our October mention, $14 off, and the lowest price we could find. Each spotlight has four LED bulbs and provides 6 to 9 hours of light on a full charge. Deal ends December 31.