Review Of How Long Do Battery Fairy Lights Last References. A great analogy for this is a car’s fuel tank. Web these micro drop lights are manufactured with cr type batteries and last about 100 hours per battery set as well.

Web brightown fairy string lights are powered by a single cr2032 battery for each string. Only a few components are required, and they will all fit in place of the two cr2032 batteries in the battery box. A great analogy for this is a car’s fuel tank.