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🎣 Slice Smarter, Fish Faster — Own the Water with Speed Demon Pro!
The KastKing Speed Demon Pro Lithium-ion Electric Fillet Knife combines a high-torque motor, ergonomic TPR handle, and premium corrosion-resistant blades to deliver fast, fatigue-free filleting. Powered by a rechargeable 12.6V lithium-ion battery offering up to 100 minutes of runtime, it includes two titanium-coated blades and a slim EVA carry case for ultimate convenience and durability. Perfect for anglers seeking professional-grade performance and cordless freedom on every fishing trip.





















| ASIN | B0C8TF7N7X |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #57,378 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #37 in Fishing Filet & Bait Knives |
| Blade Edge | 420 Stainless Steel with Titanium Plating |
| Blade Material | 420 Stainless Steel with Titanium Plating |
| Blade Shape | Serrated |
| Brand | KastKing |
| Brand Name | KastKing |
| Color | Orange |
| Customer Package Type | Frustration-Free Packaging |
| Customer Reviews | 4.4 out of 5 stars 540 Reviews |
| Hand Orientation | Ambidextrous |
| Handle Material | Thermoplastic Elastomers (TPE) |
| Included Components | Storage Case, Charger, 1 Lithium-ion Battery, Knife & 2 Blades |
| Item Length | 16.5 inches |
| Item Weight | 1.44 kg |
| Manufacturer | KastKing |
| Model Name | KTAEFKSDP-LI1B2KOR |
| Model Number | KTAEFKSDP-LI1B2KOR |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Fishing, Outdoors |
| Reusability | Rechargeable |
| Set Name | Angler Pack |
| Special Feature | Balanced Design & TPR Handle, High Speed High Torque Motor, Extended Battery Life & Indicator, Superior 420 Stainless Blade, EVA Custom Carry Case Special Feature Balanced Design & TPR Handle, High Speed High Torque Motor, Extended Battery Life & Indicator, Superior 420 Stainless Blade, EVA Custom Carry Case See more |
| Special Features | Balanced Design & TPR Handle, High Speed High Torque Motor, Extended Battery Life & Indicator, Superior 420 Stainless Blade, EVA Custom Carry Case |
| Style | A: Angler Pack (2 Blades +1 Battery Pack) |
| Theme | Fishing |
| Unit Count | 1 Count |
A**N
Outstanding
I recently had the opportunity to try out the KastKing Lithium-ion Electric Fillet Knife (Speed Demon Pro), and I must say, I'm thoroughly impressed! As an avid angler and outdoorsman, I've used my fair share of fillet knives, but this one stands out from the rest. Pros: Powerful and Efficient: The Speed Demon Pro packs a punch with its high-speed motor and lithium-ion battery, making quick work of even the toughest filleting tasks. Ergonomic Handle: The contoured handle fits comfortably in my hand, reducing fatigue and providing excellent control. Superior Blade: The stainless steel blade is razor-sharp and resistant to corrosion, ensuring smooth cuts and durability. Cordless Convenience: The rechargeable battery provides extended battery life, allowing me to fillet multiple fish without needing to recharge. Carry Case: The included carry case is sturdy and convenient, keeping the knife and accessories organized and within reach. Cons: Battery Life Indicator: A battery life indicator would be a welcome addition, as it's difficult to gauge when the battery is running low. Cleaning: The knife's design can make cleaning a bit tricky, but a soft brush and mild soap help resolve this issue. Overall: The KastKing Lithium-ion Electric Fillet Knife (Speed Demon Pro) is an excellent addition to any angler's or outdoorsman's toolkit. Its impressive performance, comfortable design, and convenient features make it a valuable asset for filleting and preparing fish. While there's room for minor improvements, I highly recommend this product to anyone seeking a reliable and efficient electric fillet knife. Recommendation: If you're in the market for a high-quality electric fillet knife, look no further than the KastKing Speed Demon Pro. Its superior performance, ergonomic design, and affordable price point make it an unbeatable value.
D**B
Quality, convenience, and value in a complete package.
A very handy and functional tool. Cordless for convenience. Includes exactly the two blade sizes I need... one suitable for panfish and one for larger fish. The supplied blades were extremely sharp. As others have mentioned, they are a little fidgety to install, but it's really no big deal. They stay put. The included case is very nice! It's quite slim (think of the form factor as being like a large book -- see photo) and there is room inside for doing some custom work to make slots for additional blades if you desire. The fact that it will reportedly accept blades from other brands is a plus, if accurate. The battery has the capacity to very easily handle as many panfish as I usually clean at once (10-15). The battery has a cool "fuel gauge" to read out the current charge level and a nice A/C-powered battery charger is included. I haven't used it enough to comment on blade edge retention, but I can easily sharpen that type of serrated blade with a small triangular stone, so it's not a concern to me. The build quality looks and feels very good and the ergonomics are excellent. The only drawback --and it's a minor one-- of an electric filet knife is that the handle is much larger in diameter than a normal filet knife and the blade is a little less flexible, so it's necessary to set up your fillet board next to the edge of the counter or table or raise it up on a block so you can get the knife horizontal to your work. I know that some folks like to keep a traditional filet knife handy for taking the skin off the fillets, but I don't find that necessary. I'm happy with this KastKing knife and think it's a good value, like their other products. I've been debating buying an electric fillet knife for years and I'm glad I finally got one.
K**K
Buy it
Well worth the price. I've had it a year and a half now with no issues. Rips thru catfish with ease. Battey is strong and last thru a couple of cleanings. I keep mine charged after every cleaning and it's ready for next time. You won't be disappointed with this knife.
B**Y
Worth it!
Really like the knife! Love the finger guard! It seems to have plenty of power. Two sizes of blades are a must and they are pretty damn sharp, I appreciate that! The soft case is nice but I would prefer a hard shell case. Love the flexibility of cordless! Construction appears to be pretty solid. Haven't yet used it on a fish but will be testing soon. I will update at that time. Overall pretty awesome product. 4 stars for the preference for a hardshell case.
B**T
Well Designed Filet Knife
I have had a few rechargeable filet knives in the past that and they generally tend to be pretty heavy, but this one is much lighter. Balance is important as rechargeable knives are, in general, longer and more unwieldy than a 'manual' filet knife. This knife is very well balanced! The blade guard is well designed. I'm hoping that one battery will be enough, but additional batteries are available, if needed. The case is very stream-lined and the foam cut outs for the knife parts are well designed and obvious. Overall, this is a very nice knife at an excellent price! Kastking does it again!
M**C
Great for fileting fish
I filet a lot of fish and the bigger they are the harder it is to cut through the rib cage but with this knife which comes with two different blade withs, one wide and one extra skinny this is no longer a problem, it sliced right through with no problem. The other thing it offers is that it's cordless which makes so simple when outdoors or camping, I only used it twice so far and still waiting to see how durable the battery is and the longevity it has. As far as the value for the money it seems to be very good in my opinion.
W**6
Great battery powered fillet knife
The KastKing Cordless Electric Fillet Knife is a game-changer for fishing! The powerful motor and sharp blades make filleting fish incredibly easy and efficient. The ergonomic design and non-slip grip are comfortable and provide great control. Plus, the long-lasting battery and storage case are super convenient. Highly recommend this knife!
M**E
Wiring and battery issues
This electric filet knife had a lot of promise, in writing. But when put to use, it only lasts a few minutes, if that. There is a faulty wiring connection on the inside of the device so you have to unscrew all the tiny screws in order to figure out which wire to reattach. Then, after 3-5 minutes of use the wiring wiggles right back out of place and you have to do the same thing all over again. There is also an issue with the battery not quite connecting to the knife all the way which is a separate problem in itself. When you contact customer service, they tell you they can’t help you with the wiring and the battery is out of stock and won’t be restocked any time soon. Read other one and two star reviews and avoid this brand. Terrible knife. Worse customer service.
Trustpilot
1 month ago
2 months ago