1 / 7btfarm Fairy Lights, 5 m, 50 LED, 8 Modes
btfarm Fairy Lights are a 5 m, 50-LED decorative string with eight modes, dimming and a timer. They can run from three AA batteries or a USB-C power connection, but are not rechargeable and the battery case is not waterproof.
At a glance
- Eight lighting modes, adjustable brightness and a memory feature are claimed.
- Timer switches the lights on for 6 hours and off for 18 hours.
- The string can be powered by USB-C or three AA batteries. The batteries and USB-C cable are not included.
- The 5 m, 50-LED silver wire is described as waterproof, but the battery case is not.
Reference price: £13.99
Price checked: 13 Nov 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Two power options allow battery operation or connection to a USB-C power source.
- Timer and memory features reduce the need to reset settings for routine decorative use.
- Soft wire is described as easy to shape around wreaths, bouquets and frames.
Cons
- Three AA batteries are not included, and the lights are not rechargeable.
- The battery case is not waterproof, limiting where that component can be placed outdoors.
Technical specifications
16 specifications| Brand | btfarm |
|---|---|
| Colour | Warm White |
| Light colour | White |
| Theme | Christmas |
| Style | Modern |
| Light source | LED |
|---|---|
| Length and LEDs | 5 M 50 LED |
| Modes | 8 modes |
| Features | Dimmable, Energy Efficient, Timer, Waterproof, Weather Resistant |
| Power configuration | Battery Powered |
|---|---|
| Power options | USB-C charging and 3 AA batteries (not included) |
| Rechargeable | Not rechargeable |
| Timer | 6 hour on/18 hour off timer mode |
| Claimed battery operation | up to 1 week |
| Indoor/outdoor usage | Indoor, Outdoor |
|---|---|
| Occasions | Birthday, Christmas, New Year, Valentine's Day, Wedding |
What to know before buying
- The claimed up-to-one-week operation is a battery-use claim without further operating conditions. The listing describes both USB-C power and battery power, but says the product is not rechargeable and includes no USB-C cable. Keep the battery case protected from water.
Who is it for?
A good fit for
- Decorating wreaths, bouquets, frames, shelves and other indoor or outdoor settings where the battery case can stay dry.
- Buyers wanting a short decorative string with adjustable brightness, lighting modes and a repeating timer.
Less suited to
- Buyers needing rechargeable batteries, an included USB-C cable or a fully waterproof battery case.
Customer reviews on Amazon
- 5 stars
78% 78% - 4 stars
7% 7% - 3 stars
4% 4% - 2 stars
3% 3% - 1 star
8% 8%
Aggregate ratings lean towards five-star feedback, but a smaller share is distributed across lower ratings. Without comment-level feedback, the figures do not identify specific strengths or explain dissatisfaction. They offer limited guidance on how the lights perform in use, so consider the stated power options and the non-waterproof battery case when deciding if they suit your setup.
Frequently asked questions
Can these lights run from USB-C?
Yes. The listing claims USB-C power as an option, but says a USB-C cable is not included.
Are the lights rechargeable?
No. The listing says they are not rechargeable. They can use three AA batteries, which are not included, or USB-C power.
Can they be used outdoors?
The string is described as waterproof and suitable for indoor and outdoor use. The battery case is not waterproof, so keep it dry.
What does the timer do?
The stated timer mode runs for 6 hours on and 18 hours off.
