1 / 7NETTA 300 LED 30 m Battery Fairy Lights, Cool White
NETTA 300 LED battery fairy lights provide a 30 m lit length in cool white, with eight lighting modes and a timer. Battery power suits locations without a nearby socket, though customer feedback raises battery-life and reliability concerns.
At a glance
- Eight lighting effects include steady-on, fading, chasing and twinkle options, with mode memory stated in the listing.
- The timer is described as an automatic 8-hours-on, 16-hours-off cycle. Hold the power button for 3 seconds to turn the timer on or off.
- Battery operation avoids needing a nearby mains socket, according to the listing.
- The listing describes the lights as suitable for indoor and outdoor use.
Reference price: £19.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- 300 LEDs along a stated 30 m lit length offer substantial coverage for a tree or decorative area.
- Eight modes and memory give options beyond steady illumination.
- A timer cycle can reduce the need to switch the lights manually each day.
Cons
- Customer feedback reports that the batteries can drain quickly, so frequent seasonal use may mean battery replacement.
Technical specifications
15 specifications| Brand | NETTA |
|---|---|
| Light source | LED |
| Number of lights | 300 |
| Light colour | Cool White |
| Colour temperature | 5000 Kelvin |
| Theme | Christmas |
| Form factor | String Lights |
| Lit length | 30 Metres |
|---|---|
| Power configuration | Battery Powered |
| Battery requirement | 3 x AA batteries |
| Material listed | Plastic |
|---|---|
| Water resistance listed | Waterproof |
| Ingress protection code rating | IP67 |
| Cable length | 50cm |
|---|---|
| Bulb spacing | 10cm |
What to know before buying
Listing details to confirm
Listing details are inconsistent about indoor and outdoor use: the title and feature text claim both, while the structured usage field says Indoor. The product details also list Waterproof and IP67, but these claims do not resolve the usage discrepancy. Confirm the selected listing's intended outdoor use before placing the lights outside. The stated timer runs for 8 hours on and 16 hours off. The listing calls batteries included, while its feature text specifies 3 x AA batteries, so check the selected package contents and battery supply.
What’s in the box
- BatteriesCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- People decorating a Christmas tree or indoor area without convenient mains power.
- Buyers wanting cool-white lights with several effects and an automatic timer.
- Decorative use where a 30 m lit string is useful, subject to confirming outdoor-use details.
Less suited to
- Buyers who need a mains-powered set or want to avoid battery replacement.
- Anyone requiring clearly confirmed outdoor suitability without checking the conflicting listing details.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
8% 8% - 3 stars
3% 3% - 2 stars
2% 2% - 1 star
13% 13%
Customer feedback highlights brightness, appearance, the timer and choice of lighting modes. Those features may suit decorative use away from a socket, but reported quick battery drain matters for frequent or extended use. Reliability and value opinions are mixed, so the positive overall rating does not establish consistent performance for every buyer.
Positive themes
- Customers describe the lights as bright and attractive when illuminated.
- Customers respond positively to the timer and range of lighting modes.
Negative themes
- Customer feedback raises concern that battery life can be short.
Mixed feedback
- Customers report mixed experiences with reliability and value for money.
Frequently asked questions
How does the timer work?
The listing describes an 8-hours-on, 16-hours-off cycle. Hold the power button for 3 seconds to activate or deactivate the timer.
What batteries do the lights use?
The feature text specifies 3 x AA batteries. The product details list batteries as included, but check the selected listing to confirm package contents.
Can these lights be used outdoors?
The title and feature text claim indoor and outdoor use, but structured product details say Indoor. Confirm outdoor suitability for the selected listing before use.
How many lighting modes are there?
The listing specifies eight modes, including steady-on, slow fade, waves, chasing and twinkle effects, and says the settings have memory.

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