RYOBI 40V 12 in. Cordless Battery String Trimmer with 2.0 Ah Battery and Charger RY40240 - The Home Depot
Twinkle Star 300 LED 99 FT Copper Wire String Lights Battery Operated 8 Modes with Remote, Waterproof Fairy String Lights for Indoor Outdoor Home Wedding Party Decoration, Warm White - - Amazon.com
Amazon.com : ZOUTOG Battery String Lights, 33ft 100 LED Bulb Warm White Battery Operated Camping Lights with Remote Controller, Timer Fairy Light for Christmas/Wedding/Camping Indoor and Outdoor : Tools & Home Improvement
Parallel String Batteries In High Voltage Applications