Solar Curtain Lights: Do They Work for Outdoor Christmas Displays?

Solar curtain lights work outdoors when the panel gets direct sun and the curtain stays modest in size. A common 300 LED, 9.8 by 9.8 foot curtain asks a lot of one small panel, so expect shorter December evenings. Look for a separate panel with a long lead, and ideally USB charging for gray days.

What solar curtain lights are

Solar curtain lights are rows of thin LED strands that drop from a single top wire, so they read as a sheet of light. Hung on a wall, fence or pergola, they cover far more area than one string run along an edge.

Sizes vary, but about 9.8 by 9.8 feet with 300 LEDs is the size many curtain lights share. Echosari and Ollny list that format for their battery and plug-in versions. Solar curtains vary more: Lumify’s has 300 micro LEDs at 6 feet high by 12 feet wide, so read each listing with care.

Will a solar panel keep 300 LEDs lit?

A small solar panel can keep 300 LEDs lit for part of an evening, but this is the type where winter charging matters most. Sharing one little panel across many LEDs is a harder job than running a 50 LED string, and the December sun gives it less to work with. The U.S. Department of Energy says Denver gets nearly three times more solar energy in June than in December.

EnergySage says solar Christmas lights can run 8 to 14 hours on a full charge, with less after cloudy days. Treat the top end of that range as a best case for a curtain this size.

Two choices help most:

1. Buy the size you need. A curtain that fits your wall has fewer LEDs to feed than a bigger one hanging in folds.
2. Look for USB backup. Some solar curtains also take USB charging, Lumify’s among them, and The Solar Centre describes USB on another of its solar sets as a backup for days with little sun. A top-up after a run of gray days keeps the display from going dark in the week you have guests.

If you want the look with no doubts about charging, battery-operated Christmas lights with a timer are the steady alternative. Solar vs. plug-in Christmas lights compares the running costs and trade-offs.

Where to hang outdoor solar curtain lights

Outdoor solar curtain lights look best on a flat, dark background, and the panel doesn’t have to sit next to them. A long lead lets you run the curtain on a shady wall and stake the panel in the sun.

• Fences and garden walls. These are the easiest spot, with hooks along the top rail.
• Pergolas and covered patios. The curtain stays drier, and the panel goes out past the roofline.
• House walls under the eaves. A sheet of warm white reads as one big feature from the street.
• Windows. Hang the strands inside the frame for a storefront look, with the panel outdoors in the sun.

Measure width first. The top wire sets how much wall you cover, and spare drop can bunch at the bottom. Check clearance too, because strands that hang to the ground invite tangles from wind, pets and snow shoveling.

For railings and small spaces, see solar Christmas lights for balconies. Eaves are covered in solar Christmas lights for roofs and gutters, and solar icicle lights give a similar drop along a roofline.

What to check on a solar curtain light listing

A solar curtain light listing should tell you a few specific things, and vague pages are common in this category.

The rating scope catches people out. Echosari, for example, applies its IP65 rating to the light string on one battery curtain, not the battery box. Ask the seller, or keep the controller under cover. Our waterproof solar Christmas lights guide explains the codes.

Solar curtain lights next to the rest of the display

Solar curtain lights work best as one big feature rather than the whole display. Keep the color matched to the rest of the house: warm white vs. multicolor solar lights covers that choice. For yards, look at solar Christmas yard decorations, and if you are still comparing types, start with the best solar Christmas lights.