The Best How To Stick Battery Pack To Wall Fairy Lights References. A 40 led fairy light can handle a 3aa battery which holds 4.5 volts.web If you can, then you will need to take another route.

If the lid is big enough to hold the battery, you can keep the lid and use velcro to secure to the underside of lid. Ensure the lights have a battery pack that is easily accessible and.web If you can, then you will need to take another route.