+18 Are Led Fairy Lights Expensive To Run 2023. A 100 count string of mini lights will run at 40 watt, while a 70 count of 5mm wide angle leds will run at just under 50 watt. This is under the assumption that you're using lights without led bulbs.web
A 100 count string of mini lights will run at 40 watt, while a 70 count of 5mm wide angle leds will run at just under 50 watt. A equivalent strand of led lights, on the other hand, utilized only 2.4 watts and cost $0.21 less than a fourth of the price!web (wattage/1000 x time in hours) x cost per kwh in cents = cost to run christmas lights.web
