Solar String Lights vs Solar Motion Sensor Lights: Which Suits Your Backyard?

We compare aloftsun solar motion sensor lights against solar string lights to help you decide which backyard lighting solution fits your needs best.

Updated 27 Aug 2026 4 min read 7 sections

Solar string lights vs solar motion sensor lights comes down to what you want the light to do. If you want security and a burst of bright light when someone walks up, choose motion sensor lights. If you want a soft, steady glow for evenings on the patio, choose string lights. Many backyards are best served by both, each in its own spot.

What solar motion sensor lights do well

Motion sensor lights are built for security and task lighting. A PIR (passive infrared) sensor picks up the body heat of a person or animal moving in front of it and switches the light to full brightness for a short time, then drops back to off or a dim glow. Because they spend most of the night off or dim, they use the stored solar charge sparingly.

T SUN Lighting aloftsun solar motion sensor lights illuminating a dark driveway — Aloftsun solar motion sensor lights$29.99Image from the merchant

T SUN Lighting’s 28 LED solar motion sensor wall light is this type of light. When you compare motion lights, look at:

Lighting modes. Many offer motion only, dim with motion boost, and always on.
Detection range and angle. A wider angle covers more of a path or driveway.
Panel position. A detachable panel lets the light go in shade while the panel sits in sun; an integrated panel needs the whole unit in sun.
Water resistance. An IP65 rating means the light is dust tight and protected against water jets, which suits exposed walls.

They are a good fit for driveways, side gates, bin areas and any spot where you want light only when someone is there.

When solar string lights are the better choice

T SUN Lighting solar string lights glowing along a garden pathway at dusk — Solar string lights$25.99Image from the merchant

String lights set a mood rather than light a path. T SUN Lighting’s 50 LED solar string lights are fairy-style lights that suit patios, pergolas and fence lines where you want a warm glow from dusk.

What they do well:

Steady, low light through the evening, with no sudden on and off.
A warm, decorative look for dinners outside or quiet evenings.
Easy setup, with no wiring and no sensor to aim.
Wide coverage, since one string can run along a whole fence or railing.

The trade-off is brightness. String lights are bright enough to see by, but not enough to light a driveway or put off an intruder. They also rely on their own small panel, so a string in heavy shade will run dimmer and for less time.

Solar string lights vs solar motion sensor lights side by side

Feature	Solar motion sensor lights	Solar string lights
Main job	Security, paths, task areas	Ambiance, decoration, seating areas
Brightness	Bright bursts when triggered	Soft, low light
When it is on	When motion is detected, or dim all night	From dusk while the battery lasts
Coverage	A focused area in front of the light	Spread along the length of the string
Mounting	Wall, post or fence, aimed at the area	Draped, hung or wrapped
What to check	Modes, range, panel position, IP rating	Length, bulb count, panel size, IP rating

Where to use each type around your yard

Use motion sensor lights for:

Driveways and front paths, so the light comes on as you arrive.
Garage doors and side gates, for security and hands-free light.
Bins and sheds, so you are not fumbling in the dark.
Dark corners where light all night would be wasted.

T SUN Lighting fence solar lights outdoor attached to a backyard fence — Fence solar lights outdoor$25.99Image from the merchant

For fences, T SUN Lighting’s solar fence lights mount on fence panels or walls. Check the listing for whether a given outdoor fence light has a motion sensor or stays on all night, since fence lights come in both styles.

Use string lights for:

Patio and deck ceilings, for overhead ambiance.
Pergola beams, draped across the top.
Garden seating areas, where the goal is to relax, not to see detail.
Fence tops, as a decorative border.

T SUN Lighting solar mushroom lights scattered along a garden path at night — Solar mushroom lights$22.99Image from the merchant

For a middle ground in flower beds, the solar mushroom lights are a 10 LED, 3 m string of small mushroom shapes on stakes, listed as IP65. They give a low, steady glow with a playful look that a plain string cannot, and the mushroom solar lights suit borders and planters.

Mixing both for a complete outdoor lighting plan

You do not have to pick one type. A layered plan might look like this:

T SUN Lighting solar post cap lights mounted on wooden fence posts — Solar post cap lights$32.99Image from the merchant

Motion sensor lights at the driveway and back gate for security.
RGB solar post cap lights on deck or fence posts for colour along the edges.
Solar outdoor string lights across the pergola for evenings outside.
A 7 LED solar spotlight aimed at a tree or garden feature.

T SUN Lighting also sells croc lights, small clip-on lights for Crocs-style shoes, which are handy on a late walk down the garden. To price a set like this, see the current T SUN Lighting discount code.

What to look for when buying solar lights

Whichever type you choose, these specs matter most:

Lumens. Lumens measure light output. Security lights need far more than decorative ones, so check the lumen figure on the listing rather than the LED count alone.

Battery capacity. Measured in mAh. A larger battery can run longer and cope better with a cloudy day, as long as the panel is big enough to fill it.

Water resistance. IP65 or higher suits lights exposed to direct rain. A lower rating such as IP44 (splash resistant) is fine under a covered patio.

Panel size and placement. Larger panels charge faster, and a panel that gets direct sun for most of the day matters more than any other spec.

For a wider view of the category, Forbes has a guide to the Best Outdoor Solar Lights 2026. If you are also considering other brands, the AloftSun Solar Motion Sensor Outdoor Lights retailer page lists that model’s details for comparison.

Our verdict

Choose solar motion sensor lights if you need security and bright light on demand. Choose solar string lights if you want a soft, decorative glow. Choose both if you want a yard that is safe to walk through and pleasant to sit in. Before you order either, check the T SUN Lighting code page.

Questions

Which is better, solar string lights or solar motion sensor lights?

It depends on the job. Motion sensor lights are better for security, driveways and paths because they give bright light when someone approaches. String lights are better for patios and seating areas where you want a soft, steady glow.

Can I use solar string lights and motion sensor lights in the same yard?

Yes. Put motion sensor lights at entrances, gates and bins, and string lights around seating areas. Each works best in its own zone.

Are solar motion sensor lights waterproof?

Most are water resistant rather than fully waterproof. Check the IP rating on the listing. IP65 means protection against dust and water jets, which suits exposed walls.

Do solar string lights work in shaded areas?

They run dimmer and for less time in shade, because their panel needs direct sun to charge. Place the panel where it gets the most sun, even if the string runs into shade.

How high should I mount a motion sensor solar light on a fence?

High enough to cover the area you want and to be out of easy reach, with the sensor aimed at the path people take. Follow the mounting guidance in the product instructions.