electric knife blades replacement
Worth a lookShows a sweet-spot price point ($49.49 avg), but brand-locked demand (top 5 brands take 95% of clicks) keeps it on the watch list.
Avg price
Great$49.49avg listing price — sweet spot $15–$100
Returns
Great1.7%return rate — above 5% kills the launch gate
Review moat
Good550.61avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Growth
Good+40.9%90-day search growth — must beat 0% to launch
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Market size
Okay$255K$255K/yr · 90K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$8.98–$252.34cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad95%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, electric knife blades replacement is a $255K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jun. Verdict: Worth a look — 55/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
electric knife blades replacement market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $198K–$247K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #1,179
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 29%
- Out of stock
- 4.7%
- Avg brand age
- 62 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
136
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
51%
Top 20: 90%
Open market
3%
- Rapala60%
- Mister Twister25%
- WORKPRO4%
- BUBBA3%
- FLISSA2%
- Calamus1%
- Open — no brand owns it (3 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 95 weeks — +40.9% search growth over the last 90 days.Peak months: Jun · busiest ÷ quietest = 2.9×
Top electric knife blades replacement search terms
- rapala electric fillet knife39K/yr
- mister twister replacement blades9K/yr
- rapala electric fillet knife blades5K/yr
- rapala cordless fillet knife6K/yr
- mr twister replacement blades5K/yr
- electric fillet knife blades4K/yr
- rapala electric fillet knife replacement blades3K/yr
- rapala fillet knife blades3K/yr
- electric knife blades replacement5K/yr
- electric knife blades4K/yr
Top electric knife blades replacement products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rapala R12 Heavy-Duty Lithium Fillet Knife Combo
Rapala$159.124.3★539 rev

Rapala Heavy Duty Electric Fillet Knife Powerful and Ergonomic Fish Filleting Tool with Advanced Motor Razor-Sharp Stainless Steel Blades for Precision Cutting Perfect for Effortless Fish Cleaning
Rapala$69.504.5★1,991 rev

Rapala Electric Fillet Knife Replacement Blade 9 Inch
Rapala$14.644.7★825 rev

Rapala 7.5 Inch Electric Fillet Knife Replacement Blade
Rapala$14.514.7★690 rev

WORKPRO 12V Cordless Electric Fillet Knife 8 & 10 Sharp Blades
WORKPRO$75.624.6★861 rev
Newest
by launch date
Calamus BladeVolt Rechargeable Cordless Electric Fillet Knife with 7 & 9 Blades 27 000 RPM Motor Type-C Battery Non-Slip Grip & Safety Lock Portable Carry Case Fishing Gear and Gifts for Men
Calamus$60.0251 rev

Rapala Finesse Replacement Blades 7.5 Inch Replacement Fillet Blades for Fillet Knife Systems Sharp Flexible Cutting
Rapala$17.578 rev

Rapala Finesse Replacement Blades 6 Inch Replacement Fillet Blades for Fillet Knife Systems Sharp Flexible Cutting
Rapala$16.506 rev

FLISSA Replacement 8 Flex Blade for Electric Fillet Knife in Polished Stainless Steel Premium Razor Sharp Blade with Reciprocating Construction for Fishing Filleting and Cutting
FLISSA$11.0823 rev

WORKPRO 12V Cordless Electric Fillet Knife 8 & 10 Sharp Blades
WORKPRO$75.62861 rev
Trending
90-day click momentum
Rap-V Blade 06
Rapala$13.044.5★

Rapala Finesse Replacement Blades 7.5 Inch Replacement Fillet Blades for Fillet Knife Systems Sharp Flexible Cutting
Rapala$17.575.0★

BUBBA 12 Inch E-Stiff Electric Fillet Blade with Ti-Nitride Coated Hollow Stainless Steel Non-Stick Reciprocating Construction for Fishing and Outdoors
BUBBA$252.344.4★

Mr. Twister SDT10-1 Mr Twister Split Double Tail 4-Inch White 10-Pack
Mister Twister$9.984.5★

Mister Twister DT10-1P Double Tail
Mister Twister$8.984.5★
What buyers say about electric knife blades replacement
What buyers praise and complain about, mined from review topics.What buyers love
“Seems to be good quality with a very nice case to keep everything neat and organized”
“is easy to use”
“Nice and Sharp”
“Fantastic Battery Life”
“Great for the price”
“Works as advertised”
“provides solid runtime for longer cleaning sessions”
“Durable case, similar to those toolbox plastic case”
“Charges quickly”
“Fit perfectly”
What buyers complain about
“Broke first use”
“Blades are junk”
“This knife is dull”
“it wont charge”
“I was told that the batteries last only 2 years”
“They do not cut worth a darn”
“it is difficult to remove from the knife body”
“Too heavy and too large cannot use is there a way to return this for a smaller knife”
“almost couldnt finish because it was heating up badly”
“They DON'T WORK on Hamilton Beach electric knifes”
Top return reasons
Common questions
- Is electric knife blades replacement profitable to sell on Amazon United States?
- The niche generates $255K/yr across 28 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +40.9%. Flapen's verdict: Worth a look (55/100).
- How competitive is the electric knife blades replacement niche?
- 9 brands and 136 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in electric knife blades replacement?
- Top complaints mined from reviews: Durability, Quality-Overall, Sharpness. The return rate is 1.7%.
- When does demand for electric knife blades replacement peak?
- Demand peaks in Jun; the busiest month runs 2.9× the quietest.
- What does it cost to enter the electric knife blades replacement niche?
- Listings span $8.98–$252.34; the average listing price is $49.49 (sweet spot $15–$100). The average incumbent carries 551 reviews — the moat a new listing must climb.