Groupon offers the Touch of Eco Solar Outdoor Ultra-Bright Halolites 2-Pack in White or Black for $24.99. Coupon code "VISA5" drops it to $23.74. With free shipping, that's a buck under our June mention and the best price we've seen. (It's also the lowest total price we could find today by $16.) Each light features four LEDs and pre-installed rechargeable batteries.