Features
- Includes drill driver, circular saw, oscillating multi-tool, and Bluetooth speaker
- Includes one 4.0Ah battery and one 2.0Ah battery with USB (PWRASSIST)
- autoPWRJUMP charger supports a short jump charge (5 minutes) and a full charge in ~45 minutes (based on 2.0Ah battery)
- Brushless motors in applicable tools
- LED light on applicable tools
- Drill driver with 17+1 clutch settings and two-speed operation
- Multi-tool accepts Starlock basic & OIS accessories
- Speaker provides Bluetooth audio and a USB power output (5V, 2.1A)
Specifications
Kit Contents | 1x Drill Driver; 1x Circular Saw; 1x Oscillating Multi-Tool; 1x Bluetooth Speaker; 1x 4.0Ah PWRCORE 20 Lithium Battery; 1x 2.0Ah PWRCORE 20 Lithium Battery with PWRASSIST USB; 1x autoPWRJUMP Charger |
Battery & Charger | 4.0Ah battery; 2.0Ah battery with USB output (PWRASSIST); autoPWRJUMP charger: jump charge in 5 minutes, full charge in 45 minutes (based on 2.0Ah battery); manufacturer states battery cells are wrapped with cooling material to improve runtime (~25% longer runtime) and increase battery life (claimed 2x) |
Circular Saw | {"Arbor" => "5/8 in (16 mm)", "LED light" => "Yes", "No-load speed" => "5400 rpm", "Blade diameter" => "6-1/2 in (165 mm)", "Sawing capacity at 45°" => "1-11/16 in (43 mm)", "Sawing capacity at 90°" => "2-13/32 in (61 mm)", "Net weight (excluding battery)" => "2.6 kg (without blade)"} |
Bluetooth Speaker | {"Weight" => "1.71 lb", "Speakers" => "1", "Auxiliary port" => "Yes", "Bluetooth range" => "100 ft (30 m)", "USB power output" => "5V, 2.1A", "Dimensions (H×L×W)" => "5 in × 4-3/4 in × 7 in"} |
Drill Driver | {"Speeds" => "Two speeds, variable speed switch", "Brushless" => "Yes", "LED light" => "Yes (after-glow indicated)", "Chuck type" => "Metal single-sleeve keyless with lock", "Max torque" => "450 in·lbs", "Chuck capacity" => "1/2 in", "Clutch settings" => "17 + 1", "Dimensions (H×L×W)" => "7-11/16 in × 7-1/8 in × 2-7/8 in", "Net weight (excl. battery)" => "2.23 lb (1.01 kg)"} |
Oscillating Multi Tool | {"Weight" => "2.34 lb", "Brushless" => "Yes", "LED light" => "Yes", "Speed settings" => "6", "Accessory system" => "Starlock basic & OIS", "Dimensions (H×L×W)" => "4-1/6 in × 12-1/6 in × 2-5/8 in", "Oscillating angle (left/right)" => "3.6°"} |
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A 4-tool 20V kit that includes a drill driver, circular saw, oscillating multi-tool, and a Bluetooth speaker. The kit ships with a 4.0Ah battery, a 2.0Ah battery with a USB output for device charging, and an autoPWRJUMP charger. The batteries use a cell-wrapping cooling material described by the manufacturer as improving runtime and cycle life.
Model Number: CB7440-21
Skil PWR CORE 20 Brushless 20V 4-Tool Combo Kit Review
Why I reached for the Skil 20V combo kit
I didn’t expect a four-piece, 20V homeowner-focused kit to become a regular in my rotation, but the Skil 20V combo kit surprised me. It’s a compact, brushless set built around a drill/driver, 6-1/2-inch circular saw, oscillating multi-tool, and a Bluetooth speaker. Two batteries (4.0Ah and 2.0Ah with USB power) and Skil’s autoPWRJUMP charger are included. After a few weeks of shelving installs, trim work, and some backyard projects, I have a good sense of where it shines and where it’s merely fine.
Batteries, charging, and the ecosystem
Skil’s battery approach is the quiet standout here. The kit includes a 4.0Ah pack for heavier tools and a 2.0Ah pack with a built-in USB port (Skil calls it PWRASSIST) for charging devices. The charger offers a “jump” in about five minutes—enough to get back to work on light tasks—and a full charge on the 2.0Ah in roughly 45 minutes. In practice, that jump-charge feature saved me a couple of trips to the coffee maker while waiting; it’s a legitimate productivity booster rather than a gimmick.
Skil also wraps the cells in a cooling material for better thermal management. I can’t quantify the claimed 25% longer runtime or 2x battery life in a short review window, but I can say neither pack got worryingly hot during continuous cuts in 3/4-inch plywood or longer sessions with the multi-tool. Runtime for the platform feels competitive for the class, and the flexible USB power—on both the 2.0Ah battery and the speaker—has been genuinely handy for keeping a phone or laser measure topped up.
Drill/driver: compact power with a couple quirks
The drill/driver is the most universally useful tool in the kit, and it’s solid. With 450 in-lbs of torque, a two-speed gearbox, and a 1/2-inch metal ratcheting chuck, it covered the usual list: pocket holes, spade bits up to 1 inch in SPF, and lots of cabinet screws. The 17+1 clutch offers enough granularity to avoid overdriving fasteners in soft materials. Chuck runout on my unit was minimal, and bit retention was secure.
Ergonomically, the tool is light at 2.23 lb bare and well-balanced with the 2.0Ah pack. Low-speed control is decent, though the trigger on my sample felt a touch “sticky” at the very bottom of its travel. It never caused a mistake, but it’s noticeable if you like very fine feathering for delicate starts. The LED is mounted low and includes an after-glow; it’s useful, though the beam is narrow and casts shadow when you’re close to the work. It’s not a deal-breaker, but I’d prefer a brighter, forward-biased light.
For heavier drilling—think large augers in dense framing lumber—this isn’t a brute-force drill. For typical homeowner tasks and light trade use, it’s appropriately powerful and efficient.
Circular saw: fast, capable, and best with the 4.0Ah pack
This 6-1/2-inch saw runs at a brisk 5400 rpm, which translates to clean, confident cuts in sheet goods and standard dimensional lumber. With a 2-13/32-inch depth at 90 degrees, it clears 2x material easily, and at 45 degrees (1-11/16 inches) it still covers most bevel cuts you’ll do on studs and fascia.
I used it for ripping ply, trimming deck boards, and crosscutting 2x. The motor kept pace without bogging; the blade brake was consistent; and the LED helped when sight lines were compromised. For straight rips, the saw tracked predictably with a simple edge guide. It’s 2.6 kg (about 5.7 lb) bare, so plan on pairing it with the 4.0Ah battery to maintain power and balance. With the 2.0Ah pack, it’s nimble but you’ll feel the runtime penalty under sustained cutting.
Dust ejection is serviceable—what you’d expect from a compact cordless saw—and the shoe on my unit stayed true through setups. This isn’t a framing beast for all-day cuts, but for remodels and small builds, it’s quick, accurate, and confidence-inspiring.
Oscillating multi-tool: versatile with a wide accessory net
The multi-tool is brushless, relatively compact at 2.34 lb bare, and has six speed settings with a 3.6-degree oscillation angle. That oscillation range leans slightly aggressive, which I appreciated for cutting nails and notching trim. With the right blade, it sliced through door jambs and PVC cleanly and handled plunge cuts in drywall without making a crater of dust.
Vibration is controlled well for the class: not the silky isolation of high-end pro models, but absolutely comfortable for typical bursts of use. It accepts both Starlock basic and OIS accessories, which opens up a wide, affordable accessory pool. Accessory retention on my unit was secure, and the LED is bright enough to light inside cabinets and under sinks.
As with most multi-tools, the trick is letting the blade do the work and avoiding excessive pressure. Running in the mid-speed range gave me the best balance of control and cut speed.
The Bluetooth speaker: jobsite-friendly convenience
I didn’t ask for a speaker in a core tool kit, but having one has been practical. The single-driver unit is small, rugged enough for shop use, and reaches a claimed 100 feet for Bluetooth. Audio quality is fine for background sounds—podcasts and radio come through clearly, music is passable at moderate levels. Push it to max and it will compress, which isn’t surprising for a compact one-speaker design.
There’s an auxiliary input, and the onboard USB (5V, 2.1A) can charge a phone. Combined with the 2.0Ah battery’s PWRASSIST USB, I have two ways to power devices on site. If you’re building a kit from scratch, this is a nice-to-have that saves you from buying a separate jobsite speaker.
Ergonomics and usability
Across the kit, grips are comfortable and the balance is better than I expected at this price tier. The drill and multi-tool feel light and agile with the 2.0Ah; the saw benefits from the 4.0Ah’s ballast. LED implementation is helpful on all three tools, though the drill’s light could be brighter and better aimed. Control layouts are intuitive and familiar—nothing to relearn if you’ve used other 18V/20V platforms.
Runtime and charging in the real world
Swapping between the two batteries, I generally kept the 4.0Ah on the saw and used the 2.0Ah for the drill and multi-tool. That rotation plus the jump-charge feature meant I rarely hit a dead stop. The charger’s full-cycle time for the 2.0Ah is about 45 minutes as stated; the 4.0Ah understandably takes longer. The cooling tech appears to work; packs stayed comfortable and were ready to charge immediately after hard use.
What I’d change
- The kit lacks an impact driver. For many users, that’s the second-most-used tool after a drill/driver. The included speaker is useful, but I’d trade it for an impact in a heartbeat.
- The drill’s trigger feel at the very low end could be smoother. It’s minor, but noticeable if you do delicate starts often.
- The drill’s LED is small and foot-mounted. A brighter, forward-facing light would improve visibility in tight corners.
None of these are deal-breakers, but they are worth noting as you plan the rest of your setup.
Who it’s for
The Skil 20V combo kit is squarely aimed at homeowners, DIYers, and pros who need a capable secondary setup. If your work leans toward remodels, built-ins, and general repairs, the mix of tools is practical. If you’re doing heavy framing or large-diameter drilling day in and day out, you’ll want higher-torque drivers and larger-capacity saws. As a foundation for a 20V system you can expand later, this kit makes sense.
Recommendation
I recommend the Skil 20V combo kit for anyone building a capable, budget-conscious cordless setup that doesn’t skimp on the essentials. The brushless drill/driver, circular saw, and multi-tool are genuinely useful and perform above their price class, the batteries and autoPWRJUMP charger reduce downtime, and the platform’s battery features (cooling wrap, USB power) are thoughtful touches that matter on real jobs. I’d prefer an impact driver over the speaker in the box, and the drill’s light and trigger could be better, but those are nitpicks in light of the overall performance and value. For homeowners and light-duty pros, it’s an easy kit to live with—and a smart place to start.
Project Ideas
Business
Door, Trim, and Casing Micro-Repair Service
Offer a mobile service specializing in small carpentry fixes: sticky doors, loose hinges, baseboard and casing repairs, threshold replacements, and undercutting jambs for new flooring. The oscillating multi-tool makes precise plunge and flush cuts, the circular saw handles trim cuts, and the drill driver speeds rehangs and hardware installs. Market as same-day repairs with minimal dust, and highlight fast turnaround using the 5-minute jump charge to keep working.
Custom Closet and Shelf Build-Outs
Design and install budget-friendly closet systems and floating shelves from plywood and 2x stock. Use the circular saw for on-site rip cuts, the drill driver for pocket screws/anchors, and the oscillating multi-tool to scribe to uneven walls and cut outlet notches. Sell tiered packages (basic, premium, paint-ready), and schedule back-to-back installs leveraging two batteries and quick charging to maximize daily throughput.
Flat-Pack Booths and Displays for Markets
Build and sell/rent flat-pack vendor booths, signage easels, product risers, and nesting display crates that assemble tool-free with slot joints. Prototype quickly with the oscillating tool for fine fitment, use the circular saw for clean rips and bevels, and pre-drill any alignment pins with the drill driver. Offer logo engraving/paint stencils as add-ons, and provide assembly videos; the kit’s speaker doubles as a demo station at pop-ups.
DIY Workshops + Project Kits
Host weekend workshops teaching beginner builds like French-cleat organizers, planter boxes, or side tables, and sell pre-cut kits. Use the LED-lit tools for safe demos, swap Starlock accessories quickly to keep classes moving, and keep participants’ phones charged via the USB battery/speaker. Revenue streams: class fees, kit sales, tool accessory upsells, and sponsored sessions from local hardware stores.
Small-Batch Furniture for Online Marketplaces
Produce popular, shippable items—floating shelves, record crates, bedside caddies, plant stands—in small batches. The circular saw and drill driver streamline repeatable cuts and assembly; the oscillating tool cleans up joinery and sands edges for a boutique finish. Standardize dimensions for efficient packing, offer finish options, and keep production continuous by rotating the 4.0Ah and 2.0Ah batteries with the autoPWRJUMP charger.
Creative
Slot-Fit Flat-Pack Side Table
Design a no-hardware, interlocking side table from a single 3/4 in plywood sheet. Use the 6-1/2 in circular saw to rip panels and cut half-depth slots; fine-tune the slot fit and round inside corners with the oscillating multi-tool. Drill a 1-1/2 in cord grommet hole for a lamp or device charging, and sand edges with a Starlock sanding pad. The two batteries let you keep cutting while charging, and the tool LEDs help with precise cut lines.
French-Cleat Entryway Organizer Wall
Build a modular wall with 45° French cleats for bags, coats, keys, and a small mail/phone shelf. Bevel-cut the cleats with the circular saw, mount rails with the drill driver’s clutch for controlled fastening, and create custom holders (shoe rack, dog leash hook, planter shelf). Use the oscillating tool to notch around outlets and make clean plunge cuts for accessory slots. Add a phone shelf powered by the battery’s PWRASSIST USB for tidy charging.
Acoustic Phone Amp + Power Caddy
Make a countertop caddy that cradles the kit’s Bluetooth speaker, adds a passive wooden acoustic horn for your phone, and routes a USB cable from the 2.0Ah battery’s 5V/2.1A port for charging. Cut precise 45° miters and horn geometry with the circular saw, then refine the opening and cable channels with the oscillating multi-tool. The result is a tidy, grab-and-go workshop radio and charging station with no electrical mods—just use the built-in USB.
Hidden-Compartment Picture Frame
Create a deep frame with a concealed rear pocket for passports, spare keys, or cash. Rip and crosscut the frame stock with the circular saw, assemble with the drill driver, then use the oscillating multi-tool to plunge-cut a clean recess in a plywood backing panel and flush-trim a magnetic latch. LEDs on the tools help when marking and cutting in low light, and the Starlock system lets you swap from plunge blade to sanding pad quickly for a clean finish.
Layered Geometric Plywood Wall Art
Stack and offset CNC-look geometric layers using only the circular saw for straight rips/bevels and the oscillating multi-tool for shaping, chamfers, and sanding. Alternate stains or paints between layers for depth, then mount with a French cleat. The drill driver installs hanging hardware precisely with the clutch to avoid stripping. The Bluetooth speaker keeps you in flow while the quick charger minimizes downtime between layers.