As one of its daily deals, Woot offers the Luminoodle 5-Foot LED Rope Light Bundle with Battery for $24.99 plus $5 for shipping. That's the lowest price we could find by $10. The lights are USB powered and come with a 4,400mAh battery pack. Deal ends today.
Need a longer one? Woot also offers it in 10-foot for $34.99 plus $5 for shippung.