USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men

A heavy duty stainless steel multi tool with exceptional battery life and precision.

Typical price

$75

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Ravvy verdict

89.6 / 100

Buy the Wahl 9818 if you want a professional grade, long lasting trimmer and can accept the lack of full waterproofing.

Best for: serious groomers who value metal construction and long battery life
Buy it if: You want premium brushed stainless steel housing.
Skip it if: You are budget shoppers looking for a basic waterproof shower trimmer.
Best alternative: MANSCAPED® The Lawn Mower® 3.0 Plus Groin & Body Hair Trimmer – Updated SkinSafe® Trimmer Blade, Waterproof Wet/Dry Groomer, USB-C Rechargeable, Men’s Wireless Ball Shaver, Tuxedo Black (Entry-level users seeking a dedicated, waterproof below-the-waist trimmer.)

How it scores on what matters

Battery Life98.0
Build Quality96.0
Versatility92.0
Cutting Precision89.0
Portability78.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Wahl Stainless Steel Lithium Ion Trimmer stands out in a crowded market by prioritizing build quality over plastic fluff. Its brushed steel housing provides a balanced weight that feels professional in the hand, far removed from the hollow feel of entry level models. With a four-head interchangeable system, it transitions seamlessly from bulk beard removal to delicate nose and ear grooming without requiring multiple dedicated devices. Performance is anchored by a high torque motor and self sharpening blades that handle thick hair without snagging. The standout feature is the lithium ion power cell, offering an impressive 3.5 hours of runtime. This means the average user can go months between charges, making it a reliable companion for long trips or for those who simply forget to plug in their devices. While the proprietary charger is a minor hurdle, the quick charge capability ensures you are never stranded with a half-finished shave.

Ravvy AI insight

This model is a rare example of 'buy it for life' potential in the grooming category due to its steel body and 5 year warranty. To ensure longevity, users must manually oil the blades as they are not self-lubricating like ceramic alternatives. It is statistically one of the highest rated for battery retention in its price bracket.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 20, 2026.

What owners praise

Premium brushed stainless steel housing
Exceptional 3.5 hour battery runtime
Versatile four head attachment system
Fast one minute quick charge feature
Self sharpening precision ground blades
Generous five year limited warranty

What to know first

Not fully waterproof or shower safe
Uses a proprietary charging cable instead of USB-C
Power button can be sensitive during travel

Specifications

UPC: 043917981802
GTIN: 043917981802
Color: Stainless Steel
Batteries: 1 AA batteries required.
Hair Type: All
Brand Name: Wahl
Unit Count: 1 Count
Item Weight: 12.8 ounces
Manufacturer: Wahl Clipper Corp
Model Number: 9818
Power Source: Rechargeable
Material Type: Stainless Steel
Blade Material: Stainless Steel
Connector Type: Proprietary charging connector
Item Dimensions: 1.25 x 1.38 x 6.25 inches
Number of Packs: 1
Target Audience: Men
Item model number: 9818
Product Dimensions: 1.25 x 1.38 x 6.25 inches; 12.8 ounces
Maximum Cutting Length: 11 millimeters
Minimum Cutting Length: 1 millimeters
Manufacturer Part Number: 9818
Specific Uses For Product: Beard & moustache, nose, hair, body
Recommended Uses For Product: Face
Manufacturer Warranty Description: 5 Year Limited Warranty
Global Trade Identification Number: 00043917981802
Other Special Features of the Product: Beard & stache, nose, hair, body

How to get the most out of it

Switching Head Attachments

Gently pull the blade head away from the body to snap it off. When attaching a new head, align the notch and press firmly until you hear a click to ensure the drive shaft is properly engaged.

Ownership tips

care

Oil the Blades Regularly

To maintain the self sharpening action and prevent the motor from straining, apply a drop of the included oil to the blades after every three uses. This prevents friction heat and preserves the metal edge.

tip

Use the Travel Lock

Since the power button is on the handle, it can accidentally turn on in a suitcase. Always use the included travel plug or store it in a way that the button is protected to avoid draining the battery.

Frequently asked questions

Can this trimmer be used while it is plugged in?

No, this specific model is designed for cordless use only for safety reasons. However, the one minute quick charge provides enough power for a three minute trim if you find the battery dead.

Is the Wahl 9818 waterproof?

It is not waterproof. You should not use it in the shower or rinse the entire unit under the tap. You can remove the blade heads and rinse those separately, but the body must stay dry.

Does it work for international travel voltage?

Yes, this trimmer features worldwide voltage compatibility (100-240V). You will only need a physical plug adapter for the specific country you are visiting.

How long do the blades stay sharp?

With proper oiling and cleaning, these carbon steel blades are designed to stay sharp for years. If they do become dull, Wahl offers replacement blade heads that can be easily swapped out.

Where can you buy the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men?

USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men is sold through Amazon, and Wahl also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men cost?

The last price Ravvy recorded was $75. Retail pricing on shaving & grooming moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when shaving & grooming discounts run deepest, compare the open box or renewed listing against new stock, and check whether Wahl is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men in stock right now?

It was in stock at our last check. Availability on popular shaving & grooming can change within hours, so the live listing is the source of truth.

Is the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men worth it?

Ravvy scores it 89.6 out of 100. The strongest argument for it is premium brushed stainless steel housing. The trade off to weigh is not fully waterproof or shower safe.

Who should buy the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men?

It fits serious groomers who value metal construction and long battery life If that does not describe your situation, compare it with the other options in Shaving & Grooming before committing.

What are the key specs of the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men?

UPC: 043917981802. ASIN: B0058SY1XQ. GTIN: 043917981802. Color: Stainless Steel.

What are good alternatives to the USA Stainless Steel Lithium-Ion Cordless Beard Trimmer for Men?

Compare it against the other scored picks in Shaving & Grooming on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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