Braun Series 3 BT3525 Beard Trimmer, Moonstone Grey

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Product guide

Braun Series 3 BT3525 Beard Trimmer, Moonstone Grey

Moonstone Grey: Braun Series 3 BT3525 is a rechargeable beard trimmer with a PrecisionWheel and 40 length settings in 0.5 mm steps. Its listed 50-minute cordless runtime and included combs suit beard and facial-hair grooming, though customer feedback flags concerns about switch operation and battery life.

At a glance

PrecisionWheel provides 40 length settings in 0.5 mm steps, according to the listing.
The stated cutting range runs from 0.5 mm to 20 mm.
The listing claims 50 minutes of cordless runtime.
The manufacturer lists beard trimmer, three comb accessories and a cleaning brush in the contents.

Price

£23.74Save 21%

Reference price: ~~£29.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Fine adjustment is useful for maintaining shorter beard lengths or making small changes between trims.
Three comb accessories give more length options than a bare trimmer alone.
The listed cordless runtime supports grooming without the charger attached.

Technical specifications

15 specifications

Identity
Brand	Braun
Model	BT 3525
Colour	Moonstone Grey

Trimming
Length settings	40 length settings in steps of 0.5 mm
Cutting length range	0.5 Millimetres to 20 Millimetres
Recommended uses	Beard, Face, Mustache, Neck
Blade material	Stainless Steel

Power and battery
Power configuration	Battery Powered
Cordless runtime	50-min cordless runtime
Rechargeable	Rechargeable
Charger plug	2-pin plug charger

Dimensions and installation
Dimensions listed	10.5 x 6 x 25.2 centimetres
Weight listed	203 Grams

Materials and protection
Material listed	Metal, Plastic
Waterproof listing	true

What to know before buying

The listing specifies a 2-pin charger. It says to use a UK bathroom 2-pin socket or an EU-to-UK adapter for a 3-pin socket, with the adapter not included. Customer feedback also mentions the lack of a UK plug.

Listing details to confirm

Customer feedback is mixed on reliability and battery life. Some report continued use over time, while others describe an unresponsive or stiff switch and loss of power after about 10 minutes. These reports contrast with the listing's 50-minute cordless-runtime claim and are not a verified performance result. The listing labels the trimmer waterproof, but also warns not to use it near water or while charging. Clarify the permitted wet-use conditions before relying on waterproofing.

What’s in the box

Included

1 beard trimmer
3 comb accessories
1 cleaning brush

Who is it for?

A good fit for

Beard-trimming buyers who want multiple length settings with half-millimetre increments.
People seeking a cordless trimmer for beard, face, moustache or neck grooming.

Less suited to

Buyers who need a supplied UK three-pin plug without an adapter.
Anyone who requires confirmed long battery life or consistently easy switch operation, given the reported mixed feedback.

Braun Series 3 BT3525 Beard Trimmer, Moonstone Grey · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.7 / 5 · 525 ratings

5 stars48%48%
4 stars20%20%
3 stars6%6%
2 stars6%6%
1 star20%20%

Customer feedback is mixed on reliability, switch operation, battery life and value. Reports range from continued function after several years to difficulty switching the trimmer on, a stiff switch and power loss after around 10 minutes. That concern is notable beside the listed 50-minute cordless runtime, but feedback does not establish how typical either experience is. The overall ratings are divided, with a sizeable five-star group and a substantial one-star group, so buyers should weigh the reported variation rather than assume consistent results.

Mixed feedback

Feedback describes sharply different experiences with reliability, from continued operation over time to difficulty turning the trimmer on.
Some feedback reports a stiff, difficult-to-operate switch and battery power loss after about 10 minutes, despite the listing's 50-minute runtime claim.
Opinions on value are mixed.

Frequently asked questions

How many length settings does the Braun BT3525 have?

The listing claims 40 settings in steps of 0.5 mm, with a stated cutting range of 0.5 mm to 20 mm.

How long is the claimed cordless runtime?

The listing states a 50-minute cordless runtime. Customer feedback includes reports of shorter use, so this figure should be treated as a manufacturer claim rather than a guaranteed result.

What comes in the listed contents?

The manufacturer’s contents list names one beard trimmer, three comb accessories and one cleaning brush.

Does it come with a UK three-pin charger?

The listing specifies a 2-pin plug charger and says an EU-to-UK adapter for a 3-pin socket is not included.