btfarm 2 Pack Solar Lights Outdoor Garden String, 12M/40FT, 120 LED Fairy Lights – Waterproof and Solar Powered
Product description
What it is and what it solves
These are solar-powered fairy light strings designed to illuminate outdoor spaces without wiring. Supplied as a 2-pack, each set totals 8m including a 6m main string plus a 2m extension, with 60 LED bulbs per string. They’re powered by an upgraded solar panel, with a built-in lithium battery and a timer function, so you can enjoy ambient lighting after dusk without the fuss of plugging in or running cables. The result is a flexible, low-maintenance way to add colour and warmth to gardens, terraces, patios and trees for occasions such as Christmas, parties or simply relaxing evenings outdoors.
How it works and what makes them practical
During daylight, the solar panel charges the battery in around 6–8 hours. At night, the lights operate for up to 8 hours thanks to a timer that automatically lights and then turns off, saving power. A built-in memory function remembers the last-used setting so you don’t have to reconfigure after power cycling. The flex of 8 lighting modes lets you tailor the mood—from subtle twinkles to steady illumination—without needing extra equipment.

Build quality and weather resilience
The strings use a durable rubber cord that resists knotting and breakage, designed for outdoor use. They carry an IP65 waterproof rating, which means they can withstand rain, snow, and splashes—great for UK weather. While weatherproof, it’s wise to position the solar panel in a sunny spot to maximise charging and ensure the timer operates reliably each night.
Design and installation realism


Installation is straightforward: switch on, mount the solar panel, place the main string and connect the extension if you need extra reach, then wrap the lights around trees, fences or railings. The 12-metre total length offers ample coverage for modest gardens or terraces, and the two-pack option lets you create a cohesive look across multiple focal points.

Pros and Cons in practical terms
Pros: easy setup, no wiring, timer saves energy, memory keeps settings, multiple modes to suit different occasions, durable construction and IP65 protection.Cons: efficiency and brightness depend on daylight and positioning, long runtime assumes a fully charged battery, and very dense shade can reduce performance. If you prioritise ultra-bright illumination or smart app control, these lights offer simpler, low-maintenance appeal instead.
Who it’s best for
If you want decorative lighting that’s quick to deploy for patios, balconies, trees, pergolas or party zones, and you value a degree of customisation via 8 modes, this set can be a sensible choice. It’s particularly suitable for seasonal decorating and for those who prefer a noise-free, solar-powered option over wired lighting.

Who it isn’t ideal for
Not ideal if you need very bright, studio-like illumination or constant, long-duration lighting through long northern winters when daylight hours are very short. If you expect to run lights at full brightness all night in poor weather, you may find the run time is shorter than desired.


When it makes sense to buy
These lights make sense if you want an outdoor decoration that is low-maintenance, energy-efficient and easy to reposition year after year. They suit temporary events and celebrations, as well as everyday ambience around the garden during summer months.

What to check before buying
- Ensure the solar panel gets direct sunlight for best charging.
- Position the string away from dense foliage that could create shading.
- Test the timer during dusk to confirm the desired on/off routine.
- Consider how many extension options you’ll need to cover your intended area.
How this compares to other approaches
Compared with plug-in strings, these solar lights offer installation freedom and reduced running costs, at the cost of relying on daylight for charging. They sit in the mid-range for decorative outdoor lighting: more durable and straightforward than cheap, single-use options, but not a high-end, feature-rich smart lighting kit. If you want permanent, year-round bright lighting, a wired system or a more powerful solar option might be more suitable, if you prioritise ease and ambience with minimal upkeep, these fit the bill.

Practical use example


Imagine wrapping the main string around a tree trunk and draping the extension along a garden fence. As dusk settles, the fairy lights softly illuminate the branches, creating a warm, festive atmosphere for a small outdoor gathering or a cosy corner for evening drinks. You’ll notice the memory and timer feel effortless—the lights come on automatically after nightfall, so you can step outside and enjoy the scene without fiddling with switches.
Is it worth it?
Final verdict: Worth considering if you prioritise easy setup, energy efficiency and flexible decoration across multiple outdoor areas. It suits casual outdoor spaces and seasonal use where you want a calm, charming glow rather than intensive illumination.

FAQ (brief practical answers)
- How long do they run on a full charge? Up to 8 hours at night, depending on daylight and weather.
- Can I extend the length beyond 8m? Yes, the 2m extension is included in the total 8m per string, and you get two strings, offering broader coverage.
- Do they withstand rain? Yes, IP65 waterproof rating provides protection against heavy rain and splashes, but should be maintained and checked after severe weather to ensure cords remain intact.
Should you buy it?
Buying verdict: It makes sense for those seeking an uncomplicated outdoor lighting setup with a gentle, festive glow and reliable night-time operation without wiring. If your space needs bright, continuous illumination or advanced smart features, look for alternatives with higher output or smart controls.
Products with discounts that might interest you
- KSIBNW 10M LED Strip Light – Waterproof Outdoor Neon Rope Light, 220–240V, Cool White
- Grow Light Strip 120 LEDs 6.56ft for indoor plants 🌱
- Lezonic Solar Garden Lights 30LED Fairy Lights with 8 Modes, 5M Copper Wire (Blue) – Outdoor/Indoor Solar String Lights
- MoKo 32.8ft Camping String Light – 4-in-1 rechargeable LED lantern, fairy lights & power bank
- Moxled Solar Garden Lights 36ft 60 LED
- Nallee LED Strip Lights 10M RGB with IR Remote — Music Sync, Flexible, 24V
- cshare Icicle Lights Outdoor 20M 480 LEDs
- NEXVIN Halloween Decorations Lights Outdoor – 20M 200 LED with Spooky Music and Motion Sensor
- NETTA Christmas Tree Lights: 200 LED warm white fairy lights, 20m lit length (10cm spacing) with 8 modes
- Ollny Curtain Fairy Lights, 300LED 3m x 3m Waterfall Hanging String Lights
- CORST 2m x 2m curtain lights (204 LEDs) plug-in with remote timer and linkable design
- ooklee Solar Powered String Lights 10m, 100 LEDs 🌟
- Outdoor String Lights Mains Powered 33.3 m G40 LED Gazebo Light with Plug, APP & Remote Dual Control (24V, IP44) – 40+2 Spare Bulbs
- Shalaker LED Strip Lights for Bedroom (10M) – RGB Colour Changing with Bluetooth App, Remote, Music Sync and Timer
- Svater Outdoor string lights 29 m LED
- Tacobey Solar String Lights Outdoor Garden (32.8Ft/10m, 100 LED, 20 shatterproof G40 bulbs) – Warm White
- Torkase Outdoor String Lights Mains Powered 120ft with 62 Shatterproof ST38 LED Bulbs
- Twinkle Star Fairy Lights: 20m USB Copper Wire String Lights (200 LEDs) with Remote, 8 Modes and Timer
- Geemoo Solar Outdoor Hemp Rope String Lights (8m, 160 LED, IP65) – warm white
- litogo solar fairy lights 80ft
- NETTA 720 LED Christmas Tree Cluster Lights with 8-Hour Timer, 8 Modes & Warm/Cool White
- 120 LED Fairy Lights USB Powered, 13m/42ft, 8 Modes with Remote — Indoor/Outdoor Christmas String Lights (Warm White)
- LITYBY Plug-in Waterproof Fairy Lights (15m/49ft, 120 LEDs) with Remote, 8 Modes – Warm White
- FFZZKJ Solar Lights 240LED 12m x2

