Panasonic ER-GB42 Beard Trimmer, 20 Length Settings

1 / 7

Product guide

Panasonic ER-GB42 Beard Trimmer, 20 Length Settings

Length: The Panasonic ER-GB42 is a cordless wet-and-dry beard trimmer with 20 adjustable settings from 0.5 to 10 mm. Its range suits short stubble through fuller beard shaping, while the listing gives conflicting battery-use figures that are worth checking before purchase.

At a glance

20 length settings span 0.5–10 mm in 0.5 mm steps, according to the listing.
Cordless operation and a compact charging stand are described.
The listing says it can be used wet or dry and rinsed under running water. Wet use with shaving gel or foam is specified without the comb attachment.
The product description states an eight-hour charge for 40 minutes of use.

Price

£25.49Save 58%

Reference price: ~~£59.99~~

Price checked: 12 Nov 2026

View offer

Often bought together

Panasonic ER-GN30-K503 Nose, Ear & Facial Hair Wet and Dry Trimmer with Vortex Cleaning System

£8.99

Pros and cons

Pros

Fine 0.5 mm adjustment steps offer control over short stubble and longer beard lengths.
Wet-and-dry use and a washable design provide cleaning and grooming flexibility, subject to the comb-attachment caveat.
The listing describes stainless-steel blades with a 45° edge for beard trimming and outlining.

Cons

The stated eight-hour charging time is long relative to the listed 40-minute use per charge.

Technical specifications

20 specifications

Identity
Brand	Panasonic
Model	Panasonic ER-GB42 Wet & Dry Electric Beard Trimmer for Men
Colour	Black
Intended use	Beard
Target audience	Men
Hair type	All

Trimming
Cutting-length range	0.5 Millimetres–10 Millimetres
Minimum cutting length	0.5 Millimetres
Maximum cutting length	10 Millimetres
Length settings	20 cutting lengths (0.5–10mm in 0.5mm intervals)
Blade material	Stainless Steel
Blade angle	45°
Wet and dry use	True

Power and battery
Power configuration	uk 3 pin plug
Cordless operation	Cordless
Charging time	8 hours
Use per charge	40 minutes usage
Alternate listed use claim	50-minute usage period when charged

Dimensions and installation
Dimensions listed	17.1 x 4.7 x 4.6 centimetres
Weight listed	0.9 Kilograms

What to know before buying

Listing details to confirm

Battery-use claims conflict: the title and feature copy say 50 minutes, while the detailed description and manufacturer panel specify 40 minutes after an eight-hour charge. The listing also gives a UK three-pin plug as the power source while describing cordless rechargeable use. Confirm the selected version and charging arrangement. Wet use with gel or foam is specified without the comb attachment. The stated 0.9 kg weight may warrant checking if weight matters to you.

Who is it for?

A good fit for

People who want adjustable beard trimming across 0.5–10 mm.
Buyers looking for a cordless trimmer with wet-or-dry grooming and rinse-clean maintenance.
Those who prioritise fine length increments for beard shaping and edging.

Less suited to

Anyone who needs a quick recharge or a clearly established runtime before buying.
People who need confirmed use with a comb attachment while using shaving gel or foam.

Panasonic ER-GB42 Beard Trimmer, 20 Length Settings · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 3,426 ratings

5 stars61%61%
4 stars21%21%
3 stars8%8%
2 stars4%4%
1 star6%6%

Customer feedback highlights the adjustable length range as a strength, which is relevant for buyers who want small steps when shaping a beard. Experiences with battery life, cutting performance, build quality and value are mixed. Some customers report hair catching or tugging. In practical terms, the 0.5 mm increments are a clear listed feature, but feedback suggests trimming results and runtime may not satisfy everyone. The conflicting runtime claims in the listing are also worth resolving if cordless use time is important.

Positive themes

Customers praise the adjustability and fine cutting-length steps.

Negative themes

Some customers report that the trimmer catches and tugs at hairs.

Mixed feedback

Feedback is mixed on battery life, cutting performance, build quality, functionality and value for money.

Frequently asked questions

What cutting lengths does the ER-GB42 offer?

The listing describes 20 settings from 0.5 to 10 mm in 0.5 mm intervals.

How long does it run after charging?

The detailed product description says 40 minutes after an eight-hour charge, but the title and feature copy claim 50 minutes. Check the selected listing for the applicable figure.

Can it be used with shaving foam or gel?

The listing says wet use with shaving gel or foam is possible without the comb attachment.

What is included?

The explicit box list names the ER-GB42 trimmer and a compact charging stand. The listing's conflicting power and runtime details make it sensible to confirm the selected package and charging arrangement.