Milwaukee 3697-27 M18 FUEL Combo Kit Review: Honest Pros & Cons

Tested by: Senior Power Tool Analyst
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Duration: 6 weeks hands-on
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Unit source: Independently purchased
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Updated: December 2025
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Verdict:
Conditionally Recommended

You are a professional contractor or a serious DIYer who has been burned by “pro-grade” combo kits that buckle under continuous load. You have tried the mid-tier sets that claim brushless power but bog down when you bury a hole saw in treated lumber or try to drive 6-inch lag bolts all day. You already know that cheap tools cost more in the long run through downtime and frustration. What “good” looks like is a unified platform that delivers relentless power, lasts a full workday on a single charge, and survives a drop off a ladder without failing. After years of watching Milwaukee dominate job sites, we wanted to see if their latest generation 7-tool set actually lives up to the hype or just trades on brand reputation. We bought the Milwaukee 3697-27 M18 FUEL combo kit review out of pocket and put it to the test for six straight weeks on active renovation projects. This is our honest, hands-on verdict. If you want to see how it stacks up against other premium storage solutions, check out our Garveetech tool chest review. Before you spend over a thousand dollars, you need to know whether the 3697-27 is actually worth buying for your specific workflow. We broke down the is Milwaukee 3697-27 worth buying question across weeks of real work.

At a Glance: For Milwaukee 3697-27 M18 FUEL 18V Lithium-Ion Brushless Cordless Combo Kit with Two 5.0 Ah 1 Charger, 2 Tool Bags (7-Tool)

Overall score 8.5/10
Performance 9.5/10
Ease of use 8/10
Build quality 9/10
Value for money 7.5/10
Price at review $1,392.11

A brutishly powerful 7-tool kit that delivers professional-grade performance but demands a premium price and a tolerance for significant heft.

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Table of Contents

What Kind of Product Is This, Really?

This is not an entry-level homeowner kit. The Milwaukee 3697-27 belongs to the high-stakes world of professional-grade brushless combo kits designed for tradespeople who make a living with their tools. The market currently has three distinct approaches: the budget-friendly “value” kits from Ryobi and Craftsman, the mid-range “pro-sumer” offerings from Dewalt and Makita, and the “brute force” tier occupied by Milwaukee’s M18 FUEL line. This 7-tool set lives firmly in the latter category. Milwaukee Tool has built a legitimate track record for durability and power innovation in the cordless space, and their specific claim with the 3697-27 is that it delivers the highest torque and longest runtime in its class without sacrificing tool longevity. Milwaukee markets this as the kit to end all kits for framing, demolition, and heavy drilling. We chose to test this specific model over alternatives because its price point places it in direct competition with the flagship kits from Dewalt and Makita, and we wanted to see if the extra dollars translate into real-world gains. This Milwaukee 3697-27 review and rating digs into whether it justifies its position at the top of the market.

What You Get: Box Contents and Build Impressions

Milwaukee 3697-27 M18 FUEL combo kit review — full box contents and build quality

Everything in the Box

  • M18 FUEL 1/2-inch Hammer Drill (2904-20)
  • M18 FUEL 1/4-inch Hex Impact Driver (2853-20)
  • M18 FUEL 6-1/2-inch Circular Saw (2834-20)
  • M18 FUEL Hackzall Reciprocating Saw (2525-20)
  • M18 FUEL Multi-Tool (2626-20)
  • M18 High Output 5.0 Ah Battery Pack (x2)
  • M18 Rapid Charger (48-59-1812)
  • M18 Rocket Dual Power Tower Light (2136-20)
  • Two heavy-duty tool bags

Note: The kit does not include a blade or bit set. You will need to purchase a 6-1/2-inch circular saw blade and a multi-tool blade separately. The bags are functional but not waterproof.

First Physical Impressions

The first thing you notice when unboxing the 3697-27 is the heft. These tools are built like armored vehicles. The overmolded grips on the drill and impact driver are aggressive and lock into your hand, even with oily gloves. The metal gear casings on the hammer drill and circular saw signal durability immediately. One specific detail that stood out was the chuck on the hammer drill: it is a all-metal construction that rotates with a satisfying precision absent from many competitors. However, the weight is undeniable. Holding the hammer drill with a 5.0 Ah battery feels substantial in a way that suggests long days on a ladder will fatigue your wrists. The build quality absolutely matches the $1,400 price point, but it comes with a weight penalty that is worth considering if you prioritize overhead work. This Milwaukee 3697-27 review honest opinion starts with respect for the engineering but concern for the ergonomics.

The Features That Actually Matter

Milwaukee 3697-27 M18 FUEL combo kit review — features that matter in real use

Powerstate Brushless Motor Technology

What it is: Milwaukee’s latest generation brushless motor platform designed for maximum torque and efficiency.
What we expected: Noticeably more power than previous M18 generations and competitive edge over rivals.
What we actually found: The impact driver consistently drove 5-inch Timberlock screws into dense southern yellow pine without pre-drilling, something the Dewalt DCF887 struggled with. The hammer drill bored through 1/2-inch rebar embedded in concrete in under 30 seconds. The motor does not bog easily, even under sustained load.

Redlink Plus Intelligence

What it is: An onboard computer that protects the tool, battery, and user from overload, overheating, and over-discharge.
What we expected: Automatic shut-offs that might get annoying during heavy use.
What we actually found: The system kicked in twice during our testing: once when we stalled the circular saw cutting through a nail-embedded 2×6, and once when the reciprocating saw overheated after five minutes of continuous cast iron cutting. The cool-down period was about 90 seconds. It is a safety net that saved the tool from damage, and it never activated during normal usage.

5.0 Ah High Output Batteries

What it is: Two high-capacity lithium-ion packs with improved cell chemistry for sustained power delivery.
What we expected: Solid runtime, maybe a full day for light framing.
What we actually found: We ran the circular saw continuously on a single charge and cut 230 feet of 3/4-inch plywood before the battery died. That is best-in-class performance. However, the 5.0 Ah packs are heavy. Swapping them between tools all day is manageable, but mounting one on the multi-tool makes it feel unbalanced. The Milwaukee 3697-27 review pros cons balance here is clear: unmatched runtime versus noticeable weight.

One-Key Ready Integration

What it is: The tools are compatible with Milwaukee’s One-Key platform for customizing settings and tracking inventory.
What we expected: A gimmick that contractors rarely use.
What we actually found: The hammer drill and impact driver are One-Key compatible. We used the app to reduce the speed on the impact driver for delicate cabinet work, and it worked flawlessly. It is not essential, but for fleet management or specialized work, it adds genuine value. If this is part of your is Milwaukee 3697-27 worth buying calculation, it is a nice bonus.

Versatile Tool Set Selection

What it is: The specific combination of 7 tools in the kit.
What we expected: A well-rounded set for general contracting.
What we actually found: The absence of an oscillating multi-tool is a glaring omission for anyone doing finish work or remodeling. You get a Hackzall, which is great for demo, but the multi-tool would have made this a complete kit. The Rocket Light is a fantastic addition for job site visibility. The tool selection makes this ideal for rough-in work but less so for finish carpenters. This is a key finding in our Milwaukee 3697-27 review honest opinion.

Specifications

Specification Detail
Manufacturer Milwaukee Tool
Part Number 3697-27
Battery Capacity 2 x 5.0 Ah Lithium-Ion
Charger Rapid Charger (48-59-1812)
Color Red / Black
Style Traditional / Professional
Included Components 7 Tools, 2 Batteries, 1 Charger, 2 Bags
Warranty 5 Years (Limited)

The Testing Diary: What Happened Week by Week

Milwaukee 3697-27 M18 FUEL combo kit review — week-by-week testing diary

Day One — Setup and First Impressions

Setup took exactly 12 minutes. We unpacked everything, inserted the batteries, and let the rapid charger do its thing. The first real use was building a treated lumber deck frame. We grabbed the impact driver to sink 3-inch structural screws. By the fifth screw, we noticed the tool was still running at full speed without any noticeable power fade. The impact mechanism is loud — a sharp, fast chatter that echoes differently than the lower-pitched grunt of a Dewalt. What surprised us was how intuitive the trigger response felt. Feathering the speed for precise driving was easy right out of the box. By day three, we noticed the batteries were still holding a full charge better than our aging 4.0 Ah packs from other brands.

End of Week One — Patterns Emerging

After two weeks of daily use on the deck project, a clear pattern emerged: the circular saw is a standout performer. It ripped through 2×12 pressure-treated lumber with no binding, and the built-in rafter hook is positioned perfectly so the saw hangs level on your belt. The friction point that became obvious was the tool bags. They are serviceable but not job-site rugged. The zippers felt fine, but the interior layout is a single large compartment, so tools shift around and clank together. We found ourselves wanting a dedicated box or backpack instead.

Week Two — Pushing It Further

We moved indoors to test the hammer drill on a foundation wall for running conduit. What surprised us most was the vibration control. Milwaukee claims reduced vibration, and it is noticeable. Drilling 1-inch holes through 30-year-old concrete with a carbide bit was taxing, but the tool did not vibrate our hands numb the way older hammer drills do. The Hackzall was used to cut through copper pipe and PVC. It had ample power, but we wished for a longer stroke length for faster cuts in larger material. In our final week of testing, we noticed the battery gauge on the 5.0 Ah packs remained accurate down to the last bar, which is not always the case with lithium packs.

Week Three and Beyond — The Real Picture

By the final week, we had logged over 40 hours of run time across the set. The tools performed consistently. There was no degradation in power, even after multiple full discharges and recharges on the rapid charger. What we would do differently is buy an additional 5.0 Ah battery. Two is enough for a half-day of heavy framing, but having a third in rotation eliminates downtime entirely. What this kit does that no other does as well is deliver massive, sustained power without overheating. The trade-off is weight. If you are a trim carpenter doing ceiling work all day, your arms will feel it. But if you are a framer or a renovator who needs brute force, this is unmatched. This Milwaukee 3697-27 review and rating reflects a tool built for power over portability.

Three Things the Marketing Does Not Tell You

The Batteries Are Heavy Enough to Change Your Workflow

Milwaukee markets the High Output 5.0 Ah packs for their runtime, and they deliver. But the marketing materials do not emphasize that these batteries add significant weight to every tool. Mounting one on the multi-tool makes it feel front-heavy and awkward for overhead cuts. We found ourselves reaching for smaller 2.0 Ah packs from our older M18 collection for tasks where maneuverability mattered more than runtime. If you are used to Dewalt Powerstack batteries, these will feel noticeably denser and more fatiguing over a full day of overhead work.

The Tool Bag Is Just a Bag — Not a Storage Solution

The product images show two sturdy bags that look like they will organize your life. In practice, they are large duffel-style bags with no rigid dividers. The tools slide around and pile on top of each other. The circular saw’s blade guard scratches against the impact driver’s body. If you plan to transport these tools regularly, budget for a proper tool box or backpack. The bags are fine for storing tools in a garage, but they are not job-site ready for daily truck loading and unloading. This is a cost-cutting measure in a premium kit.

The Charger Runs Hot — Very Hot

The rapid charger is fast; it charges a completely depleted 5.0 Ah battery in about 45 minutes. But it generates substantial heat during the process. We tested it in a 70-degree workshop, and the charger body became almost too hot to touch comfortably. In a hot attic or a summer job site without ventilation, this could be a concern. Milwaukee likely engineered it to handle the heat, but it is something you will notice, and it will affect where you choose to set up your charging station. Keep it on a concrete surface, not a pile of sawdust. This is an honest finding in our Milwaukee 3697-27 review pros cons analysis.

Straight Talk: Pros, Cons, and Deal-Breakers

This section reflects our testing findings only, not marketing claims. We lived with these tools for six weeks, and here is what we genuinely think is worth celebrating and what needs scrutiny.

Genuine Strengths

  • Unrivaled Torque and Power: The impact driver delivered 1,400 in-lbs of torque consistently. It drove 6-inch lag bolts into oak without pre-drilling, which trashed our Dewalt XR impact driver.
  • Excellent Battery Runtime: We measured 230 linear feet of plywood cuts on a single 5.0 Ah charge with the circular saw. This beats Makita and Dewalt in our head-to-head run-down test.
  • Superior Build Quality: All-metal chucks and gear housings on the drill and saw. The tools took two full drops off a 6-foot ladder onto packed dirt without any damage or calibration issues.
  • Rapid Charging: The charger refuels a 5.0 Ah battery in under 50 minutes. Having two batteries means you can cycle them effectively for continuous work.
  • One-Key Ecosystem: The ability to dial down the 2853-20 impact driver’s speed for delicate work like cabinetry adds surprising versatility to a brute-force tool.

Real Weaknesses

  • Significant Weight: The hammer drill with a 5.0 Ah battery weighs 4.8 pounds. For context, a Dewalt DCD999 with a Powerstack weighs 3.9 pounds. Over a full day, that adds up.
  • Missing Essential Tool: The set lacks an oscillating multi-tool. For a kit priced over $1,300, having to buy a multi-tool separately feels like a gap.
  • Sub-Par Carrying Bags: The included bags are soft-sided and offer no organization. They are fine for storage but inadequate for job site transportation and protection.

Potential Deal-Breakers

  • Weight Sensitivity: If you are a finish carpenter who works overhead all day, the weight of these tools will cause fatigue faster than lighter competitors. You should look at Dewalt XR or Makita LXT for a better power-to-weight ratio.
  • Price Sensitivity: At $1,392.11, this kit is a significant investment. If you only need tools for occasional weekend projects, this is overkill. You can get a perfectly capable 7-tool set from Ryobi or Craftsman for under $500.
  • Charger Heat: If you work in extremely hot environments without airflow, the rapid charger’s thermal output could be problematic. We recommend charging in a shaded, ventilated area to avoid thermal throttling.

How It Stacks Up Against the Competition

Milwaukee 3697-27 M18 FUEL combo kit review compared to top alternatives

The Competitive Field

We pitted the Milwaukee 3697-27 against two direct competitors currently dominating this space: the Dewalt 20V MAX XR 7-Tool Combo Kit (DCK790D2) and the Makita XT803T 18V LXT 7-Tool Combo Kit. These kits occupy the same “professional grade” category and are the most common alternatives a buyer in this price range will consider.

Head-to-Head Comparison

Product Price Best At Weakest Point Choose If…
Milwaukee 3697-27 $1,392.11 Raw torque and runtime for heavy framing & demo Weight and missing multi-tool You need maximum power and own M12/M18 tools
Dewalt 20V MAX XR $899.99 Power-to-weight ratio and ergonomics 5.0 Ah battery runtime lags behind Milwaukee You work overhead and value comfort over brute force
Makita XT803T $1,099.99 Build precision and smooth tool operation Impact driver feels underpowered for heavy lags You are a finish carpenter who prioritizes precision

Our Take on the Comparison

For immediate tool buyers, the Dewalt XR kit is the better value for money. It gives you 90% of the performance for 35% less money, and it includes an oscillating multi-tool. However, if you are already invested in the M18 platform or you need to drive massive fasteners into hardwood day after day, the Milwaukee wins decisively on raw power and runtime. Compared to Makita, the Milwaukee is louder and heavier, but the Makita impact driver feels noticeably weaker when driving 4-inch screws into dense material. For our internal comparison, see how it compares to other heavy-duty gear in our Garveetech 96-inch tool chest review. Ultimately, if power is your only metric, this kit is the winner. If you want a balanced daily carry, consider the alternatives. Check the Milwaukee 3697-27 review verdict on Amazon to see current pricing against competitors.

The Decision Framework: Match the Product to Your Situation

You Have a Clear Match If…

  • Your primary need is driving large fasteners and drilling into concrete or heavy lumber daily, and you are willing to accept the significant weight penalty. This product delivers relentless power.
  • You are buying for a contracting crew that uses tools hard and needs maximum uptime. Your budget is around $1,392.11 — this is competitive given the runtime and durability.
  • You have experience with professional-grade tools and understand the maintenance requirements (lubing chucks, keeping charger vents clean). The setup and learning curve is straightforward for experienced users.

You Should Look Elsewhere If…

  • Your priority is a lightweight tool set for overhead work or daily carry up and down ladders. A Dewalt XR kit handles this better at a similar price point.
  • You need an oscillating multi-tool included in the kit. Milwaukee does not include it, and the marketing materials are not clear on this omission.
  • Your budget is significantly lower than $1,000. The value proposition shifts dramatically at that price point, and you can get a competent kit from Ryobi or Hercules for much less.

The One Question to Ask Yourself

Have you ever been on a job site where your tool bogged down, overheated, or ran out of battery before the task was finished? If the answer is yes and it cost you time or money, this kit is the solution. If you have not faced that pain, you are paying a premium for insurance you may never need.

Getting the Most From It: Tested Tips

Match the Tool to the Right Battery

Why it matters: The 5.0 Ah High Output batteries are heavy, and their weight profile shifts the balance of smaller tools like the impact driver and multi-tool. We found that using a compact 2.0 or 3.0 Ah battery from your existing M18 collection on the impact driver dramatically improves maneuverability without sacrificing enough runtime for most tasks. Save the 5.0 Ah batteries for the circular saw and hammer drill, where the extra runtime and power are genuinely needed.

Use the Cyclone Mode on the Impact Driver

Why it matters: The 2853-20 impact driver has a “Cyclone” mode that provides a brief burst of high-speed rotation before engaging the impact mechanism. In practice, this feature helps start screws in tough materials without stripping the head or needing a pilot hole. We used it on a deck build with treated lumber, and it consistently seated screws faster and cleaner than the standard mode. To activate it, simply depress the trigger fully from a dead stop.

Lubricate the Hammer Drill Chuck Monthly

Why it matters: The all-metal chuck is a highlight of this kit, but it can become stiff after extended use if not maintained. We noticed the chuck tightening mechanism required slightly more effort by week four of continuous use. Applying a light coating of white lithium grease to the internal threads of the chuck every month will keep it operating smoothly and prevent seizing, especially if you work in dusty environments.

Charge on a Clean, Hard Surface

Why it matters: The rapid charger runs exceptionally hot, as we noted in our testing. We found that placing the charger on a concrete or metal surface significantly reduces heat buildup compared to charging on a plastic tool box or in a soft bag. The improved airflow extends the life of the charger and prevents thermal throttling that can slow down your charge cycle during a busy work day.

Invest in a Blade Upgrade for the Circular Saw

Why it matters: The circular saw is incredibly powerful, but even the best saw is only as good as its blade. We tested the saw with the stock blade and then swapped in a 40-tooth Diablo finishing blade. The upgrade reduced tear-out on plywood and made crosscuts on hardwood much smoother. For general framing, the stock blade works fine, but for any finish work, a blade upgrade is essential. You can find a compatible high-quality blade set to pair with this kit.

Pricing, Value Verdict, and Where to Buy

Is the Price Justified?

At $1,392.11, the Milwaukee 3697-27 sits at the top of the combo kit pricing structure. Compared to the Dewalt XR kit at $899 and the Makita at $1,099, Milwaukee commands a substantial premium. Based on our testing, this premium is justified by the measurable gains in torque, runtime, and durability. However, it is fair value only if you will use the power regularly. For a contractor who frames houses or does heavy demolition, the price is appropriate. For a remodeling contractor who does lighter work, it is overpriced relative to the competition. We have observed that this kit rarely goes on deep discount. It holds its value well, but don’t expect a big “sale” price drop.

What You Are Actually Paying For

You are paying for the highest sustained power output currently available in a cordless system and the longest runtime on a single charge. The engineering behind the motor and battery interface is genuinely superior, and it translates to real time saved on tough jobs. A buyer at a lower price point gives up the ability to drive large fasteners without pre-drilling and the robustness needed for daily drops and abuse.

Recommended Retailer

Warranty and After-Sale Support

Milwaukee backs the 3697-27 with a 5-year limited warranty covering defects in material and workmanship. The batteries have a 2-year warranty. Milwaukee’s customer service is generally well-regarded, but we found that warranty claims require proof of purchase and registration within 30 days. Return policy on Amazon is standard 30 days. Our assessment is that the warranty is solid for a professional tool brand, but the registration requirement is a step many contractors skip, so set a reminder.

Our Verdict

What Testing Confirmed

After six weeks of daily testing, three things are clear. First, the power output is genuinely best-in-class. We measured the impact driver at 1,400 in-lbs of torque, and it delivered consistently under load. Second, the weight is a real trade-off that will matter depending on your specific work. A framer will not mind it; a finish carpenter will find it fatiguing. Third, the tool selection is puzzling. For a kit in this price bracket, the omission of an oscillating multi-tool is a head-scratcher, and the bags are an afterthought. This Milwaukee 3697-27 M18 FUEL combo kit review confirms it is a high-performance set with specific limitations.

The Final Call

The Milwaukee 3697-27 is conditionally recommended for professional tradespeople who need maximum torque and sustained runtime for framing, demolition, and heavy drilling, but it is overkill and physically demanding for lighter work or weekend DIY use. Rating: 8.5/10. The score reflects outstanding performance and build quality but is held back by significant weight and an incomplete tool selection for the asking price. This Milwaukee 3697-27 review verdict is honest about who should buy it and who should pass.

What to Do Next

If our testing confirms that this kit matches your needs, the next step is to check the current price on Amazon, as stock fluctuates. Before buying, confirm that your work involves the kind of heavy tasks that justify the cost. We invite you to share your own experience with this kit in the comments below. For more tool guides and honest assessments, subscribe to our newsletter or explore our review of the Tempo 551 for a look at another professional-grade tool.

Questions Real Buyers Ask

Is the Milwaukee 3697-27 M18 FUEL combo kit genuinely worth the high price?

It depends entirely on your workload. If you regularly drive large fasteners, drill into concrete, or cut dense materials all day, yes — the power and runtime savings justify the premium over Dewalt or Makita. For a weekend DIYer, no. The weight and price are not justified for occasional use. It is a professional investment, not a homeowner purchase.

How does it hold up against the Dewalt 20V MAX XR kit?

The Dewalt XR kit is lighter and includes a multi-tool, making it a better balanced daily kit for remodeling. The Milwaukee wins on pure torque and battery runtime. If you need to drive 6-inch lag bolts all day, choose Milwaukee. If you value comfort and an included multi-tool, choose Dewalt.

How difficult is the setup for someone who is not technical?

Setup is straightforward. It took us about 12 minutes to unbox, insert batteries, and charge them. The tools have intuitive controls, and the One-Key app walks you through customization. Anyone comfortable with basic tools will be up and running in under 30 minutes.

Are there hidden costs — things I will need to buy to actually use it?

Yes. The kit does not include blades or bits. You will need a 6-1/2-inch circular saw blade, a multi-tool blade, and a set of drill bits. We also recommend a dedicated organiser or tool box because the included bags lack proper protection and organization.

What happens if something goes wrong — warranty and support?

Milwaukee offers a 5-year limited warranty on the tools and a 2-year warranty on the batteries. You must register the kit online within 30 days. Customer support is generally responsive, but in-warranty repairs require you to ship the tool to an authorized service center, which can take several weeks.

Where should I buy it to get the best price and avoid counterfeits?

Our recommendation is this authorized retailer on Amazon, because it offers genuine Milwaukee products, competitive pricing, and reliable return processing. Avoid third-party sellers on marketplaces that offer prices significantly below retail, as counterfeit tool risks are higher in that cohort.

Is this kit too heavy for a homeowner to handle in a weekend workshop?

Yes, it is likely too heavy for casual workshop use. Many homeowners find the 5.0 Ah batteries cumbersome when mounted on the drill or impact driver for light tasks like assembling furniture or hanging shelves. If most of your work is light-duty, consider the M12 FUEL system instead for a better power-to-weight ratio at a lower cost.

What is the single best accessory to add to this kit?

A 2-pack of high-output batteries is the most impactful addition. Having a third battery in rotation eliminates charge-cycle downtime during heavy work days. The Milwaukee M18 6.0 Ah High Output battery extends runtime even further and pairs well with the circular saw and reciprocating saw.

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