btfarm SL24 Solar String Lights, 2 Pack, 16 Metres, 160 LEDs

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Product guide

btfarm SL24 Solar String Lights, 2 Pack, 16 Metres, 160 LEDs

Pack: btfarm SL24 solar string lights are a two-string decorative set with a stated combined length of 16 metres and 160 LEDs. Solar charging, eight lighting modes and a memory function suit garden and patio decoration, though the claimed runtime depends on sunlight and weather.

At a glance

Two separate solar strings are described as 8 metres of light string each, with an additional 2-metre lead per string.
Eight effects include steady lighting, flashing, chasing and fading. A memory function is claimed to retain the last mode.
The maker claims 6–8 hours to charge in direct sunlight and 8–14 hours of operation, with times dependent on weather.
For indoor decoration, the solar panel needs to be placed outdoors to charge.

Price

£8.54Save 25%

Reference price: ~~£11.46~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Two separate strings allow decoration in more than one place, with a stated 80 LEDs per string.
Multiple lighting effects and the stated memory function provide options beyond a single steady setting.
Solar power avoids needing a mains outlet at the panel location.

Cons

Operation depends on available sunlight, so charging and evening runtime may vary with weather and placement.

Technical specifications

14 specifications

Identity
Brand	btfarm
Model	SL24

Connectivity and controls
Wireless connection listed	USB
Control methods listed	Touch

Power and battery
Power configuration	Solar Powered

Dimensions and installation
Form factor	Linear
Total length	16 Metres
Pack count	2
LED count	160

Lighting
Light colour	Warm White
Colour temperature listed	3000 Kelvin
Wattage listed	5 watts

Materials and protection
Water resistance listed	Waterproof
Material listed	Copper, Plastic

What to know before buying

Listing details to confirm

Listing details are inconsistent or unconfirmed: the title and feature text state 16 metres and 160 LEDs total, while detail fields give 16 metres, 80 lights and two packs, and the specification text describes 8 metres of lights plus a 2-metre cable per string. Colour temperature is listed as both 3000 Kelvin and 2700K. USB and Touch appear as connectivity/control details, while the feature text describes buttons on the solar panel. Confirm these details for the selected listing rather than treating any disputed value as settled.

What’s in the box

Included

User manual
2 solar string lights
Mounting screws

Who is it for?

A good fit for

Garden, patio, balcony or tree decoration where a solar panel can receive sunlight.
Buyers wanting two decorative light strings with selectable effects for gatherings or seasonal displays.

Less suited to

Buyers who need a guaranteed all-night runtime regardless of weather or sunlight.
Buyers seeking a mains-powered or clearly specified USB-charged lighting system.

btfarm SL24 Solar String Lights, 2 Pack, 16 Metres, 160 LEDs · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 3,724 ratings

5 stars67%67%
4 stars17%17%
3 stars7%7%
2 stars3%3%
1 star6%6%

Customer feedback describes a gentle glow, easy installation and lights that can remain on for many hours. Other reported experiences include sections not working and batteries no longer holding charge. For buyers considering these solar strings, that mix makes reliability and sustained battery performance worth weighing alongside the claimed mode selection and weather-dependent runtime.

Positive themes

Customers describe the glow as gentle and say the lights are easy to install.
Some customers report that the lights stay on for many hours.

Negative themes

Some customers report that half the lights do not work or that batteries stop holding charge.

Mixed feedback

Reports differ on durability, reliability and battery performance.

Frequently asked questions

How long are the strings?

The title and feature text state 16 metres combined, with two 8-metre strings and an additional 2-metre lead per string. Other listing details show 80 lights, so confirm the exact configuration before buying.

How long do they take to charge and stay lit?

The listing claims 6–8 hours of direct-sunlight charging and 8–14 hours of operation. It says both depend on weather conditions.

Can these lights be used indoors?

The listing says indoor decoration is possible, but the solar panel must be outdoors to charge.

What lighting effects are available?

The listing describes eight modes, including steady, flashing, chasing and fading effects, plus a memory function. The mode is selected using a button on the solar panel, according to the feature text.