https://www.amazon.com/gp/aw/d/B01FFITLQA/ref=mp_s_a_1_18?ie=UTF8&qid=1495287668&sr=8-18&pi=AC_SX236_SY340_QL65&keywords=battery+powered+colored+string+lights&dpPl=1&dpID=61a13lNtAYL&ref=plSrch

I've had these for the past two years, and they work great. Harness the power of the sun!!