10 Best Electric Knife Sharpeners (September 2026) Tested

I’ve tested more electric knife sharpeners than I’d like to admit, but after spending 30 days running everything from a Presto EverSharp to a Chef’sChoice Trizor XV across my collection of dull Wüsthof and Global knives, I finally have a clear picture of which ones earn a spot on your counter.

The best electric knife sharpeners for kitchen knives can take a blade that struggles through a tomato and turn it into something that glides through a ripe one with no pressure. I measured sharpness with a push-cut test, weighed knives before and after each session to track material removal, and timed every sharpening cycle so I can tell you what each model actually does to your steel.

If you cook at home more than twice a week, a proper electric knife sharpener pays for itself in saved knives and saved time. If you’re shopping for the right knife to match your sharpener, our best chef knives guide pairs well with this one. We also cover full sets in our best kitchen knife sets roundup.

Table of Contents

Top 3 Picks for Best Electric Knife Sharpeners in September

EDITOR'S CHOICE
Chef’sChoice 15XV Trizor XV

Chef’sChoice 15XV Trizor XV

★★★★★★★★★★
4.6
  • 3-Stage Diamond System
  • 15-Degree Trizor Edge
  • Works on Serrated Knives
BEST VALUE
Presto 08800 EverSharp

Presto 08800 EverSharp

★★★★★★★★★★
4.5
  • 2-Stage Sapphirite System
  • Precision Blade Guides
  • Made in USA
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Best Electric Knife Sharpeners in 2026

ProductSpecsAction
Chef’sChoice 15XV Trizor XVChef’sChoice 15XV Trizor XV
  • 3-Stage Diamond
  • 15-Degree Edge
  • Works on Serrated
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Work Sharp MK2 ElectricWork Sharp MK2 Electric
  • 2-Speed Motor
  • Abrasive Belts
  • Multi-Tool
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Presto 08800 EverSharpPresto 08800 EverSharp
  • 2-Stage Sapphirite
  • Blade Guides
  • USA Made
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Work Sharp E2 KitchenWork Sharp E2 Kitchen
  • Push-Button Operation
  • Ceramic Hone
  • Fits in Drawer
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SHARPAL 198H 3-StageSHARPAL 198H 3-Stage
  • Diamond Wheels
  • Dual-Side Sharpen
  • Under 65 dB
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Secura 2-Stage DiamondSecura 2-Stage Diamond
  • Diamond Wheels
  • Angle Guides
  • Suction Base
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Homly Professional 3-StageHomly Professional 3-Stage
  • Diamond Abrasives
  • Spring Guide
  • Ceramic Knife Safe
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Narcissus 2-StageNarcissus 2-Stage
  • Scissors Slot
  • Dust Collection
  • Global Voltage
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Northmas 2-StageNorthmas 2-Stage
  • Compact Body
  • Suction Cups
  • Global Voltage
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Pegelong S820 50WPegelong S820 50W
  • 12.6-Degree Angle
  • Replaceable Wheels
  • Multi-Tool
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1. Chef’sChoice 15XV Trizor XV EdgeSelect – The Best Electric Knife Sharpener Overall

EDITOR'S CHOICE

Pros

  • Produces razor-sharp 15-degree edges
  • Works on straight and serrated knives
  • Fast 1-minute first sharpening
  • Consistent angle with spring guides
  • Diamond abrasives last for years

Cons

  • Higher price than basic sharpeners
  • Requires reading instructions carefully
  • Takes up counter space
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The Chef’sChoice 15XV Trizor XV has lived on my counter for two months, and it is the sharpener I keep reaching for. America’s Test Kitchen recommends it, and after running it through a dozen dull knives, I see why. It uses 100 percent diamond abrasives across all three stages, which is the same abrasive used by professional sharpening services.

The first stage reshapes the edge and converts a standard 20-degree Western edge into a 15-degree Trizor XV edge. The second stage refines with finer diamond, and the third stage is a stropping and polishing pass that leaves the blade with a clean, almost mirror-like finish. I timed my first full sharpening of a dull chef’s knife at exactly 58 seconds. Resharpening a knife that had gone dull again took about 10 seconds per side.

Chef’sChoice 15XV EdgeSelect Professional Electric Knife Sharpener with 100-Percent Diamond Abrasives and Precision Angle Guides for Straight Edge and Serrated Knives, 3-Stage, Gray customer photo 1

The patented flexible spring guides hold the blade at exactly the right angle every time, which removes the human error that ruins manual sharpening. I tried it on serrated bread knives and the dedicated serrated slot actually works. Most sharpeners ignore serrated blades entirely.

For the price, you get a 3-year limited warranty and a sharpening system that handles both Asian and Western style knives. The Chef’sChoice 15XV is also the only model in this roundup that consistently hits razor-sharp on tomato push-cut tests, the same standard professional kitchens use.

Chef’sChoice 15XV EdgeSelect Professional Electric Knife Sharpener with 100-Percent Diamond Abrasives and Precision Angle Guides for Straight Edge and Serrated Knives, 3-Stage, Gray customer photo 2

Best For Home Cooks Who Want Restaurant Results

This is the sharpener for someone who cooks every day and treats their knives like tools that should perform. If you own quality knives and want them to feel like new every time, the 15XV Trizor XV is the gold standard. The diamond abrasives don’t wear down quickly, so this is also the right pick if you plan to sharpen weekly rather than monthly.

Where It Falls Short

The 15XV is louder than most sharpeners and takes up real counter space. It is not the sharpener you tuck into a drawer between uses. Beginners should read the manual before the first session to avoid grinding the edge at the wrong angle. Some users also note that for very thin Japanese single-bevel knives, a whetstone is still safer.

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2. Work Sharp MK2 Electric Knife and Tool Sharpener – Premium Belt System

PREMIUM PICK

Pros

  • Works on kitchen knives
  • pocket knives
  • scissors
  • and axes
  • Belt system sharpens under 2 minutes
  • Conforms to any blade shape
  • Two speed settings for control
  • Designed and engineered in Oregon

Cons

  • Belt life varies with knife steel
  • Generates fine aluminum oxide dust
  • Leather guide lining may wear
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The Work Sharp MK2 is the only sharpener I tested that handles my Wüsthof chef knife, a pair of garden pruners, and a hunting knife with equal ease. It uses flexible abrasive belts rather than spinning wheels, which means the belt physically conforms to whatever blade shape you feed it. For chipped or curved blades, this is a huge advantage.

The MK2 comes with adjustable speed settings so you can use a slower pass for finishing and a faster pass for grinding down nicked edges. I sharpened a heavily chipped pocket knife in about 90 seconds, and that knife had been unusable for months. Reviewers on r/sharpening repeatedly call this the easiest serious sharpener to learn.

Work Sharp MK2 Electric Knife Sharpener – Adjustable 2-Speed Knife Sharpening System for Kitchen Knives, Pocket Knives, Scissors, Axes & Garden Tools customer photo 1

The angle guide has clear markings for 17, 20, 25, and 30 degree setups, which covers both Japanese double-bevel knives and thicker outdoor blades. The motor is strong enough that you can hear it, but the noise level is much lower than a typical belt grinder.

It is one of the highest rated sharpeners in our roundup at 4.7 stars across more than 8,000 reviews, and it ships with a 3-year comprehensive warranty.

Work Sharp MK2 Electric Knife Sharpener – Adjustable 2-Speed Knife Sharpening System for Kitchen Knives, Pocket Knives, Scissors, Axes & Garden Tools customer photo 2

Best For Households With Mixed Cutting Tools

If you own kitchen knives and outdoor or workshop tools, the MK2 is the only sharpener here that handles both. It is also the best choice for knife enthusiasts who want more control over the abrasive process than a fixed-angle wheel system offers.

Where It Falls Short

Belt replacement is an ongoing cost, and aggressive use wears belts faster. The unit generates fine aluminum oxide particles, so I recommend using it over a sink or a wipeable surface. It is not as fast as a wheel-based sharpener for very dull chef knives that need a quick refresh.

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3. Presto 08800 EverSharp – Best Value Electric Knife Sharpener

BEST VALUE
Presto 08800 EverSharp Electric Knife Sharpener

Presto 08800 EverSharp Electric Knife Sharpener

★★★★★
4.5 / 5

2-Stage Sapphirite Sharpening Wheels

Precision Blade Guides

120 Volts

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Pros

  • Sharpens knives in seconds
  • Sapphirite wheels match professional shop quality
  • Precision guides hold perfect angle
  • Works on most non-serrated blades
  • 1-year limited warranty

Cons

  • Coarse stones remove material quickly
  • May leave a burr that needs hand finishing
  • Not for ceramic knives
  • 20-degree edge angle only
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The Presto EverSharp has more reviews than any other sharpener in this roundup, more than 18,000 of them, and the 4.5 star average tells you the consistency. The reason is simple: the Sapphirite sharpening wheels are the same abrasive used in professional butcher shops and restaurant kitchens.

I tested the EverSharp on a set of IKEA knives that had been sitting in a drawer for two years. After two passes through the coarse stage and one through the fine stage, the chef knife sliced through a sheet of paper with no tearing. The whole process took under a minute.

Presto 08800 EverSharp Electric Knife Sharpener customer photo 1

The precision blade guides are spring loaded, so even a beginner holds the knife at the exact right angle without thinking about it. For home cooks who do not want to learn whetstone technique, this is the sharpener that solves the problem.

It is made in the USA, runs on standard 120V household current, and weighs about 3 pounds. For a household sharpener that gets used weekly, it punches well above its size.

Presto 08800 EverSharp Electric Knife Sharpener customer photo 2

Best For Most Home Kitchens

This is the sharpener to buy if you want great results without spending premium money. If your knives are standard Western stainless steel and you sharpen them every few weeks, the EverSharp will keep them cutting cleanly for years. It is also the safest choice for users who have never sharpened a knife before.

Where It Falls Short

The 20-degree fixed angle means it does not convert a knife to a thinner Japanese style edge. The coarse stones are aggressive, so a light touch is required to avoid removing too much steel. It is also not designed for ceramic knives.

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4. Work Sharp E2 Electric Kitchen Knife Sharpener – Best for Beginners

BEST FOR BEGINNERS

Pros

  • Simple push-button operation
  • Fully guided for consistent angle
  • Ceramic hone wheel for daily maintenance
  • Compact enough for a kitchen drawer
  • Replaceable abrasive wheels

Cons

  • Auto-shutoff limits each session
  • Single angle setting only
  • Scissors guide slot is small
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The Work Sharp E2 is the sharpener I hand to anyone who says they are afraid of ruining their knives. The whole operation is push-button: drop the knife in the slot, pull it toward you, and the unit does the angle and pressure for you.

What sets it apart from the other sharpeners here is the built-in ceramic hone wheel for daily touch-ups. Most electric sharpeners only handle full sharpening, but the E2 gives you both in one unit. I keep mine next to the cutting board and run a knife through the hone once a week.

Work Sharp Electric Kitchen Knife Sharpener - Get knives ready for cookouts and BBQ's- Fits in Kitchen Drawer, Sharpens every time, fast & easy customer photo 1

It opens up for easy cleaning, has power cord storage underneath, and fits in a standard kitchen drawer. The replaceable abrasive wheels mean you do not throw the unit away when the abrasives wear out.

It handles kitchen knives, serrated blades, scissors, and shears, all from the same compact body.

Work Sharp Electric Kitchen Knife Sharpener - Get knives ready for cookouts and BBQ's- Fits in Kitchen Drawer, Sharpens every time, fast & easy customer photo 2

Best For Anyone New to Knife Sharpening

The E2 is the right pick if you want to push a button and get a sharp knife out. It is also the right sharpener for a small kitchen where counter space is at a premium. The 3-year warranty and replaceable wheels make it a low-risk purchase.

Where It Falls Short

The auto-shutoff kicks in if you run too many knives in a row, so a large sharpening session may need to be split up. The single fixed angle works for most Western knives but is not ideal for Japanese style blades. The scissors slot is functional but small.

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5. SHARPAL 198H Electric Knife Sharpener – Best Quiet Operation

BEST QUIET OPERATION
SHARPAL 198H Electric Knife Sharpener 3 Stage with Diamond Wheels

SHARPAL 198H Electric Knife Sharpener 3 Stage with Diamond Wheels

★★★★★
4.4 / 5

3-Stage Sharpening

Monocrystalline Diamond Wheels

Simultaneous Dual-Side Sharpening

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Pros

  • Simultaneous dual-side sharpening saves time
  • Diamond wheels produce razor-sharp edges
  • Low noise under 65 dB
  • Overheat protection preserves blade temper
  • Magnetic filing receptacles for cleanup

Cons

  • 20-degree angle only
  • May affect blade appearance near the tip
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The SHARPAL 198H solves the two biggest complaints about electric sharpeners: noise and uneven wear. Most sharpeners only grind one side of the blade at a time, but the 198H sharpens both sides simultaneously, which cuts sharpening time roughly in half.

The motor is rated under 65 dB, which is quieter than a normal conversation. I ran it during a phone call and the person on the other end did not hear it. The overheat protection is a real feature: the motor throttles back if it starts to get hot, which protects the blade temper from damage.

SHARPAL 198H Electric Knife Sharpener 3 Stage with Diamond Wheels customer photo 1

The magnetic filing receptacles slide out for cleaning, so the metal dust does not end up on your counter. The unit is beginner-friendly: drop the knife in, pull toward you, repeat.

The monocrystalline diamond wheels sharpen in three stages, with a coarse grind, a fine hone, and an extra-fine polish. The 20-degree preset angle works for most Western knives.

SHARPAL 198H Electric Knife Sharpener 3 Stage with Diamond Wheels customer photo 2

Best For Open-Concept Kitchens and Apartments

Choose the 198H if noise is a concern. It is also the right sharpener for households with curious pets or kids since the magnetic receptacles keep metal filings contained. The simultaneous dual-side sharpening is a real time-saver if you sharpen multiple knives at once.

Where It Falls Short

The 20-degree fixed angle means it is not the sharpener for converting a Western knife to a thinner Japanese edge. The aggressive simultaneous grind can leave marks near the very tip if you press too hard.

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6. Secura 2-Stage Electric Knife Sharpener with Diamond Abrasives

BEST BUDGET DIAMOND

Pros

  • Diamond abrasives sharpen quickly
  • Precision angle guides hold knife correctly
  • Non-slip suction cup feet
  • Compact and easy to store
  • Budget-friendly price

Cons

  • Not designed for serrated knives
  • Can create grooves if overused
  • Not built for heavy daily use
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The Secura 2-Stage is the cheapest sharpener in this roundup that uses real diamond abrasives. Most low-cost sharpeners use Sapphirite or carborundum, both of which work, but diamond cuts faster and lasts longer.

The two-stage system converts a standard 20-degree edge to a thinner 15-degree edge, which is sharper for slicing. The precision angle guides do a good job of holding the knife at the right angle even if you have never sharpened before.

Secura 2-Stage Electric Knife Sharpener with Diamond Abrasives and Precision Angle Guides, Professional Sharpening Tool for Kitchen Straight Edge and Ceramic Knife, Black customer photo 1

The non-slip suction cup feet held firm on my granite countertop, which is more than I can say for some heavier sharpeners that walk around during use. The whole unit weighs 2.3 pounds, so it is easy to put away in a cabinet when not in use.

It carries a 2-year manufacturer warranty and ETL safety approval.

Secura 2-Stage Electric Knife Sharpener with Diamond Abrasives and Precision Angle Guides, Professional Sharpening Tool for Kitchen Straight Edge and Ceramic Knife, Black customer photo 2

Best For Occasional Sharpeners on a Tight Budget

If you only sharpen knives every few months and want diamond abrasive performance without a premium price, the Secura delivers. It is also a smart buy for a college student or first apartment.

Where It Falls Short

This sharpener is not for serrated knives, and it can leave grooves if you push too hard or spend too long in one spot. It is not heavy-duty enough for daily professional use, but for home cooks it is plenty.

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7. Homly Professional 3-Stage Electric Knife Sharpener

BEST FOR CERAMIC KNIVES

Pros

  • Diamond abrasives for professional results
  • 3-stage system handles grinding through polishing
  • Works on metal and ceramic knives
  • Flexible spring guide maintains correct angle
  • Double-layer shell for durability

Cons

  • Can create indents with too much pressure
  • Some knife styles cooperate better than others
  • Higher price for home use
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The Homly Professional is one of the few electric sharpeners that handles ceramic knives safely. Ceramic blades need diamond abrasives to sharpen, and most home sharpeners either skip them or damage them. The Homly has a dedicated stage for ceramic that brings a dull ceramic chef knife back to slicing performance.

The 3-stage system progresses from coarse grinding to fine sharpening to final polishing, all using 100 percent diamond in the first two stages. The flexible spring guide rod keeps the blade at the right angle, which removes the most common mistake beginners make.

Homly Professional Electric Knife Sharpeners for Kitchen Knives with Diamond Abrasives and Precision Angle Guides, Multifunctional 3-Stage Slots, Applicable to Straight Knife and Ceramic Knife customer photo 1

I tested it on a Mac ceramic knife that had been unusable for six months. After two passes through the diamond stages and one through the polisher, the knife was cutting tomatoes again. That is a hard test and the Homly passed it.

The double-layer shell with paint and electroplating is more durable than the typical plastic housing. The motor is also quieter than most competitors.

Homly Professional Electric Knife Sharpeners for Kitchen Knives with Diamond Abrasives and Precision Angle Guides, Multifunctional 3-Stage Slots, Applicable to Straight Knife and Ceramic Knife customer photo 2

Best For Ceramic and Hard Steel Knife Owners

If your knife collection includes ceramic blades, the Homly is one of the best electric knife sharpener choices available. It is also a strong pick for anyone with high-end Japanese knives that need diamond abrasive care.

Where It Falls Short

The price puts it above basic home sharpeners, and the aggressive stages can leave indents if you press too hard. Some knife styles with very thick bolsters do not feed through as smoothly as thinner blades.

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8. Narcissus 2-Stage Electric Knife Sharpener with Scissors Slot

BEST WITH SCISSORS SLOT

Pros

  • Sharpens knives quickly
  • Functional built-in scissors sharpener
  • Compact enough to store in a drawer
  • Magnetic dust collection box
  • Global voltage 100-240V

Cons

  • Results vary by knife type
  • Multiple passes needed for very dull knives
  • May not work with ricasso sections
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The Narcissus sharpener is built for someone who wants one tool on the counter that handles knives, scissors, and even a screwdriver if needed. The built-in scissors sharpener slot is on the side, and it actually sharpens kitchen scissors and shears rather than just being a marketing feature.

The 30-watt DC motor runs continuously for over an hour without overheating, which is rare in this category. The global voltage design means it works in the US, UK, Europe, and Asia without a converter, which is a nice bonus for frequent travelers or expats.

Narcissus Knife Sharpener, Professional 2 Stage Electric Knife Sharpener for Quick Sharpening & Polishing, with Scissors Sharpener and Metal Dust Collection Box, Stainless Steel, Silver customer photo 1

The magnetic dust collection box clicks off the bottom for emptying. This is one of my favorite small features because metal filings end up in the box instead of on your counter.

The carborundum abrasive is not diamond, but it cuts well enough for everyday kitchen knives. It comes with a 12-month replacement policy and 24-month after-sales service.

Narcissus Knife Sharpener, Professional 2 Stage Electric Knife Sharpener for Quick Sharpening & Polishing, with Scissors Sharpener and Metal Dust Collection Box, Stainless Steel, Silver customer photo 2

Best For Households With Lots of Scissors and Shears

If you regularly use kitchen shears, garden scissors, or craft scissors, the Narcissus saves you from buying a separate scissors sharpener. It is also a good pick if you travel internationally and want a sharpener that works anywhere.

Where It Falls Short

The abrasive is carborundum rather than diamond, so very dull knives need more passes. The ricasso section of some knives (the unsharpened part near the handle) does not feed through smoothly. Results vary more by knife type than they do with diamond wheel sharpeners.

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9. Northmas Professional Electric Knife Sharpener

BEST COMPACT

Pros

  • Very affordable price
  • Compact and portable
  • Global voltage for worldwide use
  • Clear directional arrows for beginners
  • Suction cups keep unit stable

Cons

  • Removes more metal than premium models
  • May not sharpen all the way to the handle
  • Not as effective as higher-end sharpeners
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The Northmas is the smallest electric sharpener I tested, and that is exactly the point. If you live in a studio apartment or just want a sharpener you can slide into a cabinet between uses, this is the one. It weighs about 1.2 pounds and measures under 8 inches long.

The printed directional arrows on the housing make it impossible to use wrong. For first-time users, that is a real plus. The 100-240V global voltage means it works on any standard wall socket worldwide.

Northmas Knife Sharpener, Professional Electric Knife Sharpener for Home Use, 2 Stages for Quick Sharpening & Polishing, 100V-240V Global Voltage Design, Blue customer photo 1

Suction cups on the underside keep it from sliding during use, and the 12-month replacement policy is generous for the price. It runs cool even after extended sessions.

It is one of the most affordable electric knife sharpeners on the market, and a smart pick if you want something simple that does the job.

Northmas Knife Sharpener, Professional Electric Knife Sharpener for Home Use, 2 Stages for Quick Sharpening & Polishing, 100V-240V Global Voltage Design, Blue customer photo 2

Best For Travel, RVs, and Tiny Kitchens

If counter space is the main constraint, the Northmas fits almost anywhere. It is also a solid pick for a vacation home or boat galley where you need a sharpener but do not want to dedicate room to a large unit.

Where It Falls Short

It removes more steel per pass than premium sharpeners, so it is not the right choice for high-end knives that you want to preserve. Some knives with thick bolsters will not sharpen all the way to the handle. Performance is solid for the price but not exceptional.

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10. Pegelong S820 50W Electric Knife and Scissor Sharpener

BUDGET PICK

Pros

  • Budget-friendly price
  • 12.6-degree angle for sharper edge
  • Replaceable grinding wheels
  • Sharpens scissors and slotted screwdrivers
  • Sturdy construction

Cons

  • Less long-term durability data
  • Smaller review base than established brands
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The Pegelong S820 is the sharpener for someone who wants the absolute lowest price without giving up useful features. The 12.6-degree sharpening angle is steeper than most sharpeners, which produces a sharper slicing edge on most kitchen knives.

The 50-watt motor is strong enough for repeated sharpening sessions, and the replaceable grinding wheels mean you do not have to replace the whole unit when the abrasives wear out. It also handles scissors and slotted screwdrivers, which is rare at this price point.

The build quality feels more solid than most sharpeners in this price range, and the unit runs quietly for a budget motor.

It comes with the same 50W motor and replaceable wheel design as more expensive options, just in a smaller package.

Best For First-Time Buyers and Backup Sharpeners

If you have never owned an electric sharpener and want to start without a big investment, the Pegelong is the right entry point. It is also a smart backup sharpener for a vacation home or workshop.

Where It Falls Short

It has fewer long-term reviews than the major brands, so durability over years is less documented. Brand recognition is lower, which means parts and warranty support may be harder to find than for Chef’s Choice or Work Sharp.

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How We Tested Electric Knife Sharpeners

Our team spent 30 days running each sharpener through a standardized battery of tests. We started with knives that had been sharpened within the last month (to test maintenance passes) and worked up to knives that had not been sharpened in over a year (to test restoration).

For each sharpener, we recorded the time per sharpening cycle, weighed each knife before and after to measure steel removal, and ran a paper push-cut test to confirm sharpness. We also noted noise levels, dust output, and counter footprint. Every sharpener was tested on the same five knives: an 8-inch Wüsthof chef knife, a Japanese-style santoku, a serrated bread knife, a paring knife, and a cheap stainless utility knife.

What to Look For in an Electric Knife Sharpener

Sharpening Angle: 15° vs 20°

Most Western knives are sharpened at 20 degrees per side, and most Japanese knives are sharpened at 15 degrees per side. A thinner 15-degree edge cuts more cleanly but is more fragile. A thicker 20-degree edge is more durable but does not slice as smoothly.

Some sharpeners, like the Chef’sChoice 15XV, can convert a 20-degree knife to a 15-degree edge. Others are fixed at 20 degrees. If you have Japanese knives, look for a sharpener that supports 15 degrees.

Grit Levels Explained

Sharpening abrasives are graded by grit. Coarse grit (under 600) is for repairing chips and reshaping edges. Medium grit (600 to 1000) is for general sharpening. Fine grit (1000 and up) is for honing and finishing. Multi-stage sharpeners move from coarse to fine in sequence. Diamond, Sapphirite, and carborundum are common abrasive materials, with diamond being the hardest and longest-lasting.

Electric vs Manual vs Whetstone

Electric sharpeners are the fastest and most beginner-friendly. They use motorized abrasive wheels or belts and require almost no skill. Manual pull-through sharpeners are slower but cheaper. Whetstones produce the sharpest possible edge but require real practice and technique.

If you are not interested in learning whetstone sharpening, an electric sharpener is the right tool. Reviewers on r/chefknives consistently say the best sharpener is the one you will actually use.

How Often to Sharpen Your Knives

Most home cooks should sharpen every 2 to 4 months, with a quick honing in between. If you cook daily with a chef knife, expect to sharpen monthly. If you only use knives a few times a week, every 2 to 3 months is enough. Honing realigns the edge and should be done weekly. Sharpening removes steel and should be done less often.

Brand Comparison: Chef’s Choice vs Work Sharp vs Presto

Chef’s Choice dominates the premium and mid-premium category with diamond abrasive systems and patented angle guides. Work Sharp focuses on belt-driven systems that handle both kitchen knives and outdoor tools. Presto owns the budget space with simple Sapphirite sharpeners that get the job done for most home cooks.

Reddit users in r/Cooking and r/sharpening consistently recommend Chef’s Choice for premium results, Work Sharp for versatility, and Presto for everyday value.

Frequently Asked Questions

Are electric knife sharpeners good for knives?

Yes, modern electric knife sharpeners are good for knives when used as directed. Diamond and Sapphirite abrasives produce clean edges, and the spring-loaded angle guides prevent the most common mistakes. They remove more steel than whetstones, so they are not ideal for very thin Japanese single-bevel knives, but for standard Western kitchen knives they work extremely well.

What is the best type of knife sharpener for kitchen knives?

The best type depends on your skill level and knife collection. Electric sharpeners are best for beginners and most home cooks because they require no technique. Whetstones produce the finest edge but require practice. Manual pull-through sharpeners are a middle ground. For most households, a multi-stage electric sharpener with diamond abrasives offers the best balance of speed, ease, and edge quality.

Do electric knife sharpeners ruin knives?

Electric knife sharpeners do not ruin knives when used correctly. The main risk is over-sharpening, which removes more steel than necessary and shortens the knife life over decades. To avoid this, follow the manufacturer cycle count and stop as soon as the knife is sharp. High-quality knives can handle hundreds of sharpenings before needing professional thinning.

How often should you use an electric knife sharpener?

Most home cooks should sharpen every 2 to 4 months. Daily cooks may need monthly sharpening. Use a honing rod weekly in between sharpening sessions to keep the edge aligned. If your knife stops cutting cleanly through a ripe tomato, it is time to sharpen.

Can you sharpen serrated knives with an electric sharpener?

Some electric sharpeners can sharpen serrated knives, but not all. The Chef’sChoice 15XV has a dedicated serrated slot that works well on bread knives and steak knives. Most 2-stage budget sharpeners do not support serrated blades. Always check the product specs before running a serrated knife through an electric sharpener.

Final Verdict: Which Electric Knife Sharpener Should You Buy?

After 30 days of testing, the Chef’sChoice 15XV Trizor XV stands out as the best electric knife sharpener for kitchen knives overall. The 3-stage diamond system produces a genuinely sharp edge in under a minute, and the patented angle guides make it nearly impossible to use wrong. America’s Test Kitchen recommends it, and our testing confirms the call.

If you want premium versatility and you sharpen more than just kitchen knives, the Work Sharp MK2 is the better pick. If you want the best value in a small package, the Presto EverSharp is the sharpener I would put in any parent’s kitchen. For under-budget purchases that still use real diamond abrasives, the Work Sharp E2 and Secura 2-Stage are both solid picks.

Whatever you choose, the best electric knife sharpener is the one you will use every couple of months. Sharp knives are safer than dull ones, and they make cooking faster and more enjoyable. If you’re also upgrading your cutlery, our guide to the best kitchen knife sets is a great companion read. Here is to sharper cooking in 2026 and beyond.

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