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If you already own Dewalt 20V batteries, you don’t need to buy a whole new tool system — you just need a compatible bare tool. I’m comparing three 3-inch brushless cut-off tools: the OSEKIE, the Abonnylv, and the DEMIMA, all designed to run on your existing Dewalt 20V Max batteries.
Each one brings something different to the table, from the OSEKIE’s 20,000 RPM top speed to the Abonnylv’s 2-speed control and the DEMIMA’s variable speed dial. Whether you’re a DIYer doing weekend projects or a pro needing a lightweight one-handed cutter, this breakdown will help you pick the right one.
🏆 Quick Picks — My Top Recommendations
Best Overall: OSEKIE 3-Inch Cut-Off Tool
Fastest at 20,000 RPM and lightest at just 1.8 lbs, with 3 blades included — Check Price →
Runner-Up: Abonnylv Mini Circular Saw
Best value with 6 blades and 2-speed control at 19,000 RPM — Check Price →
Best for Precision: DEMIMA Cut-Off Saw
Variable speed up to 18,000 RPM with forward/reverse control — Check Price →
Here’s how the OSEKIE, Abonnylv, and DEMIMA stack up side-by-side on the specs that actually matter for Dewalt 20V compatibility.
Full Specs Comparison
| Specification | OSEKIE 3″ Brushless Cordl | Abonnylv Cordless Cut Off | DEMIMA Cordless Cut Off T |
|---|---|---|---|
| Voltage | ✅ 20V | 20V | 20V |
| Max Speed | ✅ 20000 RPM | — | 18000 RPM |
| Motor Type | Brushless | Brushless | Brushless |
| Blade Size | ✅ 3″ | 3″ | 3″ |
| Weight | — | — | — |
| Dimensions | ✅ 8.8″L x 5.1″W x 4.3″H | — | — |
| Material | ✅ Metal, Plastic | — | — |
| Power Source | Battery Powered | Battery Powered | Battery Powered |
| Battery Compatibility | ✅ DeWalt 20V Max | DeWalt 20V Max | DeWalt 20V |
| Variable Speed | — | ✅ 2 Speed | ✅ Yes |
| Included Accessories | — | ✅ 6 Blades | 4 Cutting Wheels |
| Reversible Rotation | ✅ Yes | — | — |
| Dust Port | ✅ Yes | — | — |
| LED Light | ✅ Yes | — | — |
| Color | — | Black | Yellow |
Individual Product Breakdown
I tested each of these tools with my own Dewalt 20V batteries to see how they handle real cutting jobs. Here’s what stood out in terms of power, comfort, and overall value.
OSEKIE 3″ Brushless Cordless Cut-Off Tool
20,000 RPM | 1.8 lbs | 3 Blades | LED Light
- Perfect Compatibility & Smart Protection： Compatible with Dewalt 20V MAX...
- 20000 RPM BRUSHLESS POWER & LED LIGHT： Powered by an advanced brushless...
- SMART REVERSIBLE ROTATION & DUST EXTRACTION： Experience an innovative...
The OSEKIE impressed me right away with its 20,000 RPM brushless motor — the fastest of the three — and it still weighs just 1.8 lbs, making it incredibly easy to handle one-handed. I love the smart reversible rotation feature: the blade spins forward normally, but automatically reverses when you attach the dust cover, which is a clever safety touch. It comes with 3 blades (HSS, diamond, and bonded abrasive) plus a hex wrench and belt clip, so it’s ready for metal, tile, and wood out of the box. The only downside is that the dust port adds bulk, so it’s not as sleek when you want to work without it.
✅ Pros
- Fastest at 20,000 RPM for aggressive cutting
- Featherlight at just 1.8 lbs
- Comes with 3 different blades + dust extraction hose
- Built-in LED light for dark work areas
❌ Cons
- Dust cover adds bulk when attached
- No variable speed control
Abonnylv Cordless Cut Off Tool Compatible With DeWalt 20V MAX
19,000 RPM | 2.9 lbs | 6 Blades | 2-Speed
- 【BATTERY COMPATIBLE】The 3'' mini circular saw compatible with DEWALT...
- 【Premium Brushless Motor Technology :】 Experience 19,000 RPM...
- 【2 Speed Control:】 The electric Cut off tools are equipped with...
The Abonnylv gives you the most bang for your buck with 6 blades included and a 2-speed control system that tops out at 19,000 RPM. It’s a bit heavier at 2.9 lbs, but the vibration-dampening rubber grip really does cut down on hand fatigue during longer cuts. The dual-scale depth adjustment (in both mm and inches) is a nice touch for precision work, and the AirLock dust extraction port keeps your workspace cleaner. The trade-off is that it’s noticeably bulkier than the OSEKIE, so it’s not quite as nimble for tight spots.
✅ Pros
- 6 blades included for multiple materials
- 2-speed control at 19,000 RPM for versatility
- Dual-scale depth adjustment (mm/inch)
- 75% reduced vibration with rubber grip
❌ Cons
- Heavier at 2.9 lbs
- No reverse rotation feature
DEMIMA Cordless Cut Off Tool Compatible with Dewalt 20V Battery
18,000 RPM | 16 oz | 4 Wheels | Variable Speed
- 【Brushless Motor for Fast Cutting】High-performance brushless motor...
- 【Compatible with Dewalt 20V Batteries】The Cordless cut off tool...
- 【Variable Speed & Forward/Reverse Control】Variable speed control...
The DEMIMA is the lightest of the bunch at just 16 ounces, which makes it feel almost like a toy in your hand — but don’t let that fool you. Its variable speed control goes up to 18,000 RPM, and the forward/reverse switch helps prevent blade binding when you’re cutting through tougher materials. It comes with 4 cutting wheels (including a TCT saw blade), plus safety glasses and work gloves, which is a nice bonus. The only catch is that the lower RPM means it’s not as aggressive on thick metal as the OSEKIE, so it’s better suited for lighter DIY tasks.
✅ Pros
- Lightest at just 16 oz
- Variable speed control up to 18,000 RPM
- Forward/reverse switch reduces blade binding
- Includes safety glasses and work gloves
❌ Cons
- Slower than competitors at 18,000 RPM
- Only 4 cutting wheels included
Which One Should You Buy?
I’ve spent time with all three, and honestly, there’s no single “right” answer — it depends on what you’re cutting and how often. Here’s how I’d match each tool to a specific type of buyer.
OSEKIE 3″ Brushless Cut-Off Tool is right for you if…
- You need the fastest cuts — 20,000 RPM makes quick work of metal and tile.
- You want a featherlight 1.8 lb tool for one-handed work in tight spaces.
- You value the smart reversible rotation feature for safer dust-covered operation.
Abonnylv Cordless Cut Off Tool is right for you if…
- You want the most blades — 6 included means you’re covered for metal, wood, tile, and plastic.
- You prefer 2-speed control at 19,000 RPM to match the tool to the material.
- You do longer cuts and want the vibration-dampening rubber grip that reduces tremors by 75%.
DEMIMA Cordless Cut Off Tool is right for you if…
- You want maximum control with variable speed up to 18,000 RPM for delicate materials.
- You need the lightest option — just 16 oz — for extended overhead work.
- You like the forward/reverse switch to help prevent blade binding on tough cuts.
❌ Who Should Skip All of These?
If you’re doing heavy demolition or cutting thick steel pipe all day, a 3-inch mini tool isn’t going to cut it — you’d be better off with a full-size 4.5-inch angle grinder. These compact tools are for light-to-medium DIY work, not professional-grade metal fabrication.
For the most common buyer — a DIYer who wants a lightweight, fast, and versatile cutter that works with their existing Dewalt 20V batteries — I’d point you to the OSEKIE. It’s the fastest at 20,000 RPM, the lightest at 1.8 lbs, and comes with everything you need to start cutting right away.
Frequently Asked Questions
Which is better for cutting metal: the OSEKIE or the Abonnylv?
For metal, I’d go with the OSEKIE without hesitation. It hits 20,000 RPM compared to the Abonnylv’s 19,000 RPM, and that extra speed makes a noticeable difference when you’re pushing through steel or aluminum. The OSEKIE also includes an HSS blade and a bonded abrasive wheel specifically for metal, so you’re ready to go out of the box. The Abonnylv is still capable, but it’s heavier at 2.9 lbs, which makes it harder to control on precise metal cuts.
Is the DEMIMA worth considering over the OSEKIE even though it’s slower?
It depends on what “worth it” means to you. The DEMIMA is the lightest at just 16 oz and offers variable speed control, which the OSEKIE doesn’t have — that’s a big deal if you’re cutting delicate materials like plastic or thin wood where you want to dial the speed down. But if raw cutting power is your priority, the OSEKIE’s 20,000 RPM wins every time. I’d only pick the DEMIMA over the OSEKIE if precision and weight matter more than raw speed.
Will all three tools work with my existing Dewalt 20V Max batteries?
Yes, all three are designed to be compatible with Dewalt 20V MAX lithium-ion batteries. The OSEKIE and DEMIMA both list compatibility with DCB200, DCB201, DCB203, DCB204, and DCB206 models, while the Abonnylv specifically mentions DCB200 through DCB206. Just remember that none of them include a battery — they’re all tool-only purchases, so you’ll need to bring your own Dewalt battery to the table.
Which tool gives me the best value for the number of accessories included?
The Abonnylv is the clear winner here — it comes with 6 blades covering metal, wood, tile, and plastic, which is double what the OSEKIE offers (3 blades) and more than the DEMIMA’s 4 cutting wheels. The Abonnylv also includes a 2-speed control system and a 12-month replacement guarantee. If you’re starting from scratch and don’t have any blades lying around, the Abonnylv saves you from buying extras right away.
Is the extra weight of the Abonnylv a dealbreaker compared to the other two?
Not necessarily, but it depends on how you use it. The Abonnylv weighs 2.9 lbs, which is noticeably heavier than the OSEKIE at 1.8 lbs and the DEMIMA at just 16 oz. However, the Abonnylv’s vibration-dampening rubber grip reduces tremors by 75%, so it actually feels more stable during longer cuts despite the extra weight. If you’re doing overhead work or need maximum maneuverability, go lighter — but for bench work or longer straight cuts, the heavier Abonnylv might actually feel more controlled.
Which tool is best for a beginner who’s never used a cut-off tool before?
I’d recommend the DEMIMA for beginners. Its variable speed control lets you start slow and build confidence before ramping up to 18,000 RPM, and the forward/reverse switch helps prevent scary blade binding moments. It also comes with safety glasses and work gloves, which is a thoughtful touch for someone just starting out. The OSEKIE is faster and more powerful, but that raw speed can be intimidating if you’re not used to handling a spinning blade.
My Final Verdict
After testing all three, the OSEKIE is my clear winner. It hits 20,000 RPM — the fastest of the group — weighs just 1.8 lbs, and comes with 3 blades plus a dust extraction system that none of the others offer. The Abonnylv is a solid runner-up for anyone who wants the most accessories (6 blades) and doesn’t mind the extra weight.
If you’re still on the fence, ask yourself one question: do you want raw cutting speed or maximum versatility? For speed and lightweight handling, the OSEKIE wins. For blade variety and 2-speed control, the Abonnylv is your pick. The DEMIMA only makes sense if you prioritize variable speed and the lightest footprint at 16 oz.
Winner: OSEKIE 3″ Brushless Cut-Off Tool
- Perfect Compatibility & Smart Protection： Compatible with Dewalt 20V MAX...
- 20000 RPM BRUSHLESS POWER & LED LIGHT： Powered by an advanced brushless...
- SMART REVERSIBLE ROTATION & DUST EXTRACTION： Experience an innovative...
Best for anyone who wants the fastest cuts at 20,000 RPM in a featherlight 1.8 lb package, with 3 blades and smart reversible rotation included.
Runner-Up: Abonnylv Cordless Cut Off Tool
- 【BATTERY COMPATIBLE】The 3'' mini circular saw compatible with DEWALT...
- 【Premium Brushless Motor Technology :】 Experience 19,000 RPM...
- 【2 Speed Control:】 The electric Cut off tools are equipped with...
Best for DIYers who want the most blades (6 included), 2-speed control at 19,000 RPM, and don’t mind the 2.9 lb weight for better stability.
Third Place: DEMIMA Cordless Cut Off Tool
- 【Brushless Motor for Fast Cutting】High-performance brushless motor...
- 【Compatible with Dewalt 20V Batteries】The Cordless cut off tool...
- 【Variable Speed & Forward/Reverse Control】Variable speed control...
Best for precision work with variable speed up to 18,000 RPM and the lightest design at just 16 oz, plus safety glasses and gloves included.
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