DeWalt Jig Saw 20V Review: Step-by-Step Guide
Are you tired of wrestling with jigsaws that vibrate like crazy or drain their battery faster than you can say “precision cut”? You’re in the right place. The DeWalt 20V jig saw lineup has been creating serious buzz in workshops across America, and for good reason.
These cordless cutting machines promise to deliver professional-grade performance without the hassle of power cords getting tangled around your workspace. But do they really live up to the hype? Let’s find out together.
Whether you’re a weekend warrior building furniture in your garage or a professional contractor who needs reliable tools every single day, choosing the right jigsaw can make or break your projects.

Key Takeaways:
- Brushless motor technology delivers impressive runtime and power efficiency that outlasts older models by a significant margin. This means fewer battery swaps during your workday and more actual cutting time.
- Variable speed control up to 3,200 strokes per minute gives you precise control whether you’re cutting softwood, hardwood, metal, or plastic materials with different thicknesses.
- LED work light illuminates your cutting line in dimly lit workshops or tight spaces where overhead lighting just can’t reach effectively.
- 4-position orbital action lets you adjust cutting aggressiveness based on your material and desired finish quality, making this tool incredibly versatile.
- Tool-free blade changes and bevel adjustments mean you spend less time fumbling with allen keys and more time actually getting work done.
- Compact ergonomic design reduces hand fatigue during extended use while maintaining excellent control and visibility of your cutting line throughout the project.
DeWalt 20V MAX XR Cordless Jigsaw DCS334B
The DCS334B is the star of the DeWalt 20V jigsaw family. This top-handle model features a brushless motor that delivers exceptional efficiency and extended runtime compared to brushed motor alternatives. The motor works smarter, not harder, which translates to more cuts per battery charge and longer tool life overall.
What really sets this model apart is its compact size combined with serious cutting power. You get precise control thanks to the ergonomic D-handle design that feels natural in your hand during both straight cuts and tight curves.
The variable speed trigger lets you dial in exactly the right speed for your material, preventing burning on delicate woods or excessive vibration on thicker stock.
The integrated LED light positioned right above the blade illuminates your cut line brilliantly. This feature becomes absolutely invaluable when you’re working in cabinets, under counters, or in any situation where shadows make it hard to see exactly where your blade is going. You’ll appreciate this thoughtful addition more than you might expect.
Power and Performance That Delivers
The 20V MAX battery system provides ample power for demanding cuts without the weight penalty of larger voltage platforms. The brushless motor efficiently converts battery power into cutting action, reaching speeds up to 3,200 strokes per minute when you need aggressive material removal.
This speed range handles everything from delicate scrollwork in thin plywood to cutting through two-inch hardwood with confidence.
The 4-position orbital action setting gives you control over how aggressive your cuts are. Position zero keeps the blade moving straight up and down for smooth finish cuts in hardwood and laminated materials.
Higher orbital settings increase the blade’s forward motion during the upstroke, removing material faster when you’re cutting construction lumber or need speed over finish quality.
Battery life impresses consistently across user reviews. A single 5.0Ah battery typically powers through an entire day of intermittent cutting for most users. Professional contractors report getting 50 to 80 cuts in 3/4-inch plywood before needing to swap batteries, which beats many competing cordless jigsaws in this category.
Build Quality and Ergonomics
DeWalt built this jigsaw to withstand jobsite abuse while maintaining precision. The housing uses high-impact plastic reinforced at stress points, and the metal components feel substantial without adding unnecessary weight.
The tool weighs approximately 5.2 pounds without a battery, striking a nice balance between stability during cuts and maneuverability when working overhead or in tight spaces.
The rubber overmold grip provides excellent purchase even when your hands are sweaty or dusty. The trigger responds smoothly with good sensitivity for fine speed control. Front and back grip areas give you multiple hand positions for different cutting scenarios, whether you’re following a curved line or pushing through a long straight cut.
Vibration levels stay remarkably low thanks to the counterbalancing mechanism and brushless motor operation. This reduces hand fatigue significantly during extended use and helps you maintain better control and accuracy throughout your cuts.
You’ll notice the difference especially when comparing to older jigsaw models or budget alternatives.
Top 3 Alternative for DeWalt Jig Saw 20V
Blade Change System and Adjustability
The lever-action keyless blade change system works flawlessly. You simply flip the lever, remove the old blade, insert a new one, and flip the lever back. The entire process takes less than 10 seconds once you get the hang of it. The blade clamp grips securely without any wobble or play that could affect cut quality or safety.
Bevel capacity goes from zero to 45 degrees in both directions, giving you the full 90-degree range for angled cuts. The bevel adjustment uses a tool-free lever with positive stops at common angles including zero, 15, 30, and 45 degrees.
The shoe locks solidly at any angle without shifting during cuts, which is critical for maintaining accuracy on bevel work.
The adjustable shoe also allows front-to-back positioning to maximize blade life. As the front edge of your blade wears, you can reposition the shoe to use fresh blade teeth. This simple feature extends blade life and maintains cut quality without buying new blades as frequently.
Cutting Capacity and Versatility
This jigsaw handles impressive material capacities across different materials. In wood, you can comfortably cut up to 5.5 inches thick, though most users find the sweet spot around 2 to 3 inches for optimal performance and blade life. Steel cutting capacity reaches 3/8 inch with the appropriate blade, and aluminum cuts cleanly up to 5/8 inch thick.
The variable speed control combined with orbital settings makes this tool genuinely versatile. Cut laminate countertops without chipping by using low orbital action and slower speeds.
Rip through construction lumber quickly by cranking up both speed and orbital aggression. Curve cutting in plywood maintains smooth control with excellent visibility of your cut line throughout the operation.
Blade compatibility covers standard T-shank blades from any manufacturer, giving you unlimited options for different materials and cut types. The wide blade availability means you’ll never struggle to find the right blade for specialty materials or specific cutting requirements.
Battery Compatibility and Runtime
The beauty of the DeWalt 20V MAX system shines through battery compatibility. Any 20V MAX battery from your existing DeWalt tools works perfectly with this jigsaw.
If you already own DeWalt cordless tools, you’re just one bare tool purchase away from adding an excellent jigsaw to your collection without buying redundant batteries and chargers.
Runtime varies based on battery capacity and cutting demands. A 2.0Ah battery provides adequate power for light-duty tasks and occasional use.
The 4.0Ah battery hits the sweet spot for most users, offering solid runtime without excessive weight. Power users and professionals typically prefer 5.0Ah or larger batteries for all-day performance without battery swaps.
The fuel gauge on newer DeWalt batteries lets you check remaining charge at a glance. This simple feature prevents frustrating situations where you start a cut only to have the battery die halfway through.
Quick charging capabilities mean even if you drain a battery, a 30-minute charge break gets you back to work with sufficient power for most tasks.
DeWalt 20V MAX Jigsaw DCS331B
The DCS331B represents DeWalt’s earlier entry into 20V cordless jigsaws. While it lacks the brushless motor of the newer DCS334B, this model still delivers solid performance at a lower price point. The brushed motor provides reliable power, though runtime and efficiency trail the brushless version.
This model uses the same blade change system and bevel adjustment mechanisms as its newer sibling. You get the same cutting capacity and speed range, making it a capable tool for users who don’t need the absolute maximum runtime or who want to save some money on their initial investment.
The DCS331B works well for homeowners and DIY enthusiasts who use their jigsaw occasionally rather than daily. The slightly larger size and weight compared to the DCS334B become less relevant when you’re not using the tool for extended periods.
Many users report excellent satisfaction with this model, especially when purchased as part of combo kits with batteries included.
Comparison with Competing Brands
Against Makita’s 18V jigsaw, the DeWalt holds its own in power and runtime while offering slightly better ergonomics according to most comparative reviews. Makita fans appreciate their tool’s lighter weight, but DeWalt users prefer the more robust feel and better vibration control of the DCS334B.
Milwaukee’s M18 jigsaw competes directly in features and performance. Milwaukee offers slightly faster blade speed at 3,500 strokes per minute maximum, but the DeWalt counters with better balance and more intuitive controls.
Both tools deliver professional-grade results, with brand loyalty and existing battery platforms often determining the winner.
Bosch cordless jigsaws bring different strengths including smoother operation at lower speeds and excellent dust management. DeWalt responds with better power delivery and faster cutting in demanding materials.
Bosch tools cost slightly more on average, making the DeWalt a better value proposition for budget-conscious buyers seeking professional performance.
LED Light and Visibility Features
The integrated LED light deserves special mention because it genuinely improves cutting accuracy. Positioned directly above the blade area, it casts bright white light exactly where you need it most. The shadow-free illumination helps you follow pencil lines accurately even in challenging lighting conditions.
The light activates automatically when you pull the trigger and stays on for a few seconds after release. This thoughtful design gives you time to reposition for your next cut without the light immediately shutting off. Battery drain from the LED is negligible and won’t meaningfully impact your runtime.
Many users report that the LED light alone justifies choosing this model over alternatives without this feature. Following intricate curved cuts becomes dramatically easier when you can clearly see your cut line without constantly repositioning work lights or contorting your body to get better viewing angles.
DeWalt 20V Barrel Grip Jigsaw DCS335B
The DCS335B offers the same brushless motor and performance as the DCS334B but with a barrel grip body style instead of the top handle design. This body style suits users who prefer gripping the tool from above, similar to how you might hold a hand drill or reciprocating saw.
Barrel grip jigsaws excel when cutting from underneath surfaces or when you need to apply downward pressure while maintaining precise control. Some woodworkers find this grip style more natural for certain tasks, particularly when working with larger sheet goods on a work table.
The barrel grip configuration also allows easier one-handed operation when necessary, though two-handed control remains recommended for safety and accuracy.
This model weighs about the same as the top-handle version and delivers identical cutting performance with the same features including LED light, variable speed, and orbital action.
Maintenance and Long-Term Durability
DeWalt engineered these jigsaws for minimal maintenance requirements. The brushless motor in the DCS334B eliminates brush replacement entirely, reducing long-term maintenance costs and service intervals. Occasional cleaning of the blade clamp area and shoe adjustment mechanism keeps everything operating smoothly.
The sealed switch and electronic components resist dust intrusion effectively. While you shouldn’t deliberately expose the tool to heavy dust without protection, normal woodshop dust levels won’t cause premature failures or operational issues. The IP rating isn’t published, but the tool withstands typical jobsite conditions without problems.
Durability reports from professional users consistently praise these jigsaws for standing up to daily use over multiple years.
The metal components in the blade clamp, shoe adjustment, and internal drive mechanism resist wear better than plastic alternatives in budget tools. Expect this jigsaw to deliver reliable service throughout a professional career with reasonable care.
Value and Price Considerations
The DCS334B typically retails between $110 and $150 for the bare tool, positioning it competitively against professional-grade alternatives from other manufacturers.
When you factor in the brushless motor technology, LED light, and excellent build quality, the value proposition looks strong compared to both cheaper options and premium alternatives.
Buying the bare tool makes sense for users with existing DeWalt 20V batteries. First-time DeWalt buyers should consider combo kits that include batteries and chargers.
These bundles often provide better overall value than purchasing components separately, particularly during promotional periods.
The longevity and reliability of these tools justify the investment for professional users who depend on their tools daily. DIY users and homeowners will appreciate the professional capabilities without necessarily needing the absolute maximum duty cycle of industrial-grade alternatives costing significantly more.
What Users Love Most
Customer reviews consistently highlight several standout features. The smooth cutting action with minimal vibration earns praise across skill levels. Users appreciate feeling less hand fatigue after extended use compared to their previous jigsaws.
The LED light receives overwhelmingly positive feedback, with many reviewers specifically calling it out as a game-changing feature. Being able to see cut lines clearly in poor lighting conditions genuinely improves accuracy and confidence during cuts.
Battery life impresses casual and professional users alike. The combination of the efficient brushless motor and high-capacity battery options means most users complete their projects without stopping to charge batteries. This keeps workflow smooth and reduces frustration on busy project days.
Common User Concerns
Some users report that the dust blower function works adequately but not exceptionally. Dust collection requires a separate vacuum attachment, which isn’t included with the bare tool. Users serious about dust management typically connect a shop vacuum for cleaner operation.
The tool-free blade change, while generally praised, occasionally requires firm pressure to fully engage the blade clamp. A few users initially thought their blade change mechanism was defective before learning the proper technique. Once you understand the right motion, blade changes become quick and reliable.
Price sensitivity varies among users. DIY users sometimes question whether they need brushless technology for occasional use. However, most who purchase the brushless models report satisfaction with the investment after experiencing the improved performance and runtime advantages.
Is the DeWalt 20V Jigsaw Worth Buying?
For professional contractors and serious woodworkers, the answer is absolutely yes. The combination of power, runtime, and features delivers professional results without compromise. The brushless motor technology provides meaningful advantages that justify the price premium over brushed alternatives.
DIY enthusiasts and homeowners will find excellent value if they plan to use their jigsaw more than occasionally. The tool’s capabilities exceed typical DIY requirements, meaning you won’t outgrow it as your skills develop. The frustration-free operation and reliable performance make projects more enjoyable.
If you already own DeWalt 20V tools, adding this jigsaw to your collection makes perfect sense. Battery compatibility eliminates additional battery investment, and the tool quality matches what you expect from the DeWalt brand. Users invested in different battery platforms should weigh switching costs carefully.
Frequently Asked Questions
What battery size works best with the DeWalt 20V jigsaw?
The 4.0Ah and 5.0Ah batteries provide the best balance of runtime and weight for most users. The 2.0Ah batteries work fine for occasional use but require more frequent charging during extended projects. Compact batteries reduce tool weight for overhead work, while high-capacity batteries maximize runtime for production cutting.
Can this jigsaw cut through metal and plastic materials?
Yes, with appropriate blades, the DeWalt 20V jigsaw cuts steel up to 3/8 inch thick and aluminum up to 5/8 inch thick. Plastic materials cut easily with fine-tooth blades at moderate speeds. Always match your blade selection and speed setting to your material for optimal results and blade life.
How does the brushless motor improve performance compared to brushed models?
Brushless motors operate more efficiently by eliminating friction from carbon brushes. This delivers approximately 30 percent longer runtime per battery charge, reduces heat generation during demanding cuts, and extends motor life by eliminating brush wear. The electronic motor control also provides more consistent power delivery.
Do I need to buy DeWalt batteries or will other brands work?
Only genuine DeWalt 20V MAX batteries work with this jigsaw. The battery mounting system and electronic communication between tool and battery are proprietary. However, all DeWalt 20V MAX batteries work regardless of capacity rating, giving you flexibility in choosing the right battery for your needs.
What warranty coverage does DeWalt provide for this jigsaw?
DeWalt offers a three-year limited warranty covering defects in materials and workmanship. The warranty also includes a one-year free service contract and a 90-day money-back guarantee. Register your tool after purchase to ensure full warranty coverage and easier service if needed.
Does the tool come with blades or do I need to purchase them separately?
The bare tool version includes one sample blade to get you started. For serious use, purchase a blade variety pack with different tooth counts and blade types for various materials. T-shank blades from any manufacturer fit properly and provide unlimited options for different cutting applications.
