Decornova via Prime Amazon offers the Decornova Snow Globe 19.7-Foot 30-LED Rattan Ball String Lights in Warm White for $9.69. Coupon code "4KAGVZBE" drops it to $6.69. Plus, Prime members bag free shipping. (Non-members can spend $49 to bag free shipping; otherwise, shipping costs $6.69.) That's $13 off list and the lowest price we could find. It features an IP44 waterproof battery box.