Christow CR0286-WWH-400 400-LED Warm White Battery Fairy Lights, 40m

Christow CR0286-WWH-400 battery fairy lights pair 400 warm-white LEDs with a listed 40m lit length for indoor or outdoor festive displays. Eight lighting settings, a memory function and a six-hour-on, 18-hour-off timer offer some flexibility, while the battery supply avoids needing a nearby mains socket.

At a glance

400 warm-white LEDs on a listed 40m lit string.
Eight settings include seven twinkling effects and a static glow, with the last selected setting remembered.
Timer is described as operating for six hours on and 18 hours off.
Battery-powered pack is described as outdoor-safe, with a 50cm green cable to the first bulb.

Price

£18.69Save 15%

Reference price: ~~£21.99~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Battery operation allows placement away from a mains socket.
The timer and remembered setting can reduce routine switching and setup.
Indoor and outdoor use is stated, with water resistance also listed.

Cons

Three C-cell batteries are required for the 400-LED version and are not included.
Battery life and brightness receive mixed customer feedback, so suitability for long unattended displays or buyers needing consistently strong light is less certain.

Technical specifications

18 specifications

Identity
Brand	CHRISTOW
Model	CR0286-WWH-400

Lighting
LED count	400
Light colour	Warm White
Listed lit length	40 Metres
Indoor/outdoor use	Indoor, Outdoor
Lighting modes	8 flash features (7 twinkling effects + static glow)
Timer cycle	Timer Function (6 hours on / 18 hours off)

Power and controls
Power configuration	Battery Powered
Battery requirement for 400 LEDs	400/600 LEDs require 3 x C Cell batteries (not included)
Wireless connection listed	USB
Memory function	The lights will memorise the last setting you selected when they come back on.

Dimensions and installation
Dimensions listed	40.4 x 0.01 x 0.01 metres
Weight listed	0.6 Kilograms
Cable to first bulb	50cm green cable

Materials and protection
Water resistance listed	Water Resistant
Ingress protection code listed	IPX4
Material listed	Plastic

What to know before buying

Listing details to confirm

The listing gives inconsistent connectivity and protection details: USB is labelled as a wireless connection, while water resistance is stated both as “Water Resistant” and IPX4. Confirm the relevant specifications before relying on them. Battery requirements and operating life may also affect running costs.

What’s in the box

Included

LED string lights

Who is it for?

A good fit for

People decorating a tree, garden feature or other area where mains power is inconvenient.
Buyers wanting a long warm-white string with both twinkling and steady-light settings.
Those who value an automatic six-hours-on, 18-hours-off timer.

Less suited to

Buyers who do not want to source and replace C-cell batteries.
Anyone needing a guaranteed brightness level or dependable battery duration for extended displays.
Those who need unambiguous connectivity or a clearly specified water-protection rating.

Christow CR0286-WWH-400 400-LED Warm White Battery Fairy Lights, 40m · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 263 ratings

5 stars72%72%
4 stars10%10%
3 stars7%7%
2 stars3%3%
1 star8%8%

Customer feedback describes the lights as attractive outdoor decorations and reports positive experiences with perceived quality, value and the timer. Brightness, battery life and durability are mixed: some find the lights bright or long-lasting, while others report weaker brightness, faster battery drain or cables snapping. That variability matters for a 400-LED battery set intended for extended or exposed displays. The rating distribution is mostly five-star but includes lower ratings, so it should not be read as a guarantee of performance.

Positive themes

Customers are reported to appreciate the appearance, perceived quality, value and timer.

Mixed feedback

Customers differ on brightness and battery longevity.
Durability feedback is mixed, including reports of long use as well as cables snapping.

Frequently asked questions

How many batteries does the 400-LED version need?

The listing says the 400-LED version requires three C-cell batteries, which are not included.

What does the timer do?

The stated cycle is six hours on and 18 hours off. The listing also says the lights remember the last setting selected.

Can these lights be used outdoors?

Indoor and outdoor use is claimed, and the battery pack is described as outdoor-safe. The listing's water-resistance details are inconsistent, so confirm the rating if this matters for your installation.

How long is the string?

The product title and feature text describe a 40m lit length. The separate dimensions field gives 40.4 x 0.01 x 0.01 metres, so treat that figure as listing data rather than a clarified installation measurement.