Making the jump from manual snips to power shears is like switching from a screwdriver to a cordless drill—once you do it, you’ll wonder how you ever worked without it. The difference in speed, accuracy, and physical effort is that significant. For professionals who cut metal day in and day out, this upgrade isn’t a luxury; it’s a fundamental improvement to your entire workflow. Making the switch to power shears, sheet metal fabrication feels just as revolutionary. This guide is designed to walk you through that transition, helping you choose a reliable tool that will pay for itself in saved time and effort.
- Choose Shears Based on Your Daily Work: Select a tool with a cutting capacity that matches the metal gauges you handle most often. Decide between consistent corded power for shop use and the on-site freedom of a cordless model to fit your workflow.
- Safe Operation Delivers the Best Results: Always wear the right safety gear and clamp your material down before you start. Guide the tool with steady pressure—don’t force it—to get a clean, professional cut while preventing accidents.
- Consistent Care Protects Your Investment: A few minutes of daily maintenance goes a long way. Keep your shears clean, inspect the blades for sharpness, and store the tool in a protective case to ensure it performs reliably for years.
What Exactly Are Power Shears?
If you’ve spent any time cutting sheet metal, you know how demanding it can be on your hands and your patience. Power shears, sometimes called electric shears, are handheld tools designed to make that job faster, cleaner, and a whole lot easier. Think of them as the powered-up version of your trusty hand snips. They slice through various materials, including steel, aluminum, and copper, with an efficiency that manual tools just can’t match. Whether you’re making long, straight cuts across a metal panel or need to follow a precise curve, these tools give you the control and force to get it done right. They are an essential part of any modern metal cutting tool kit for professionals.
How They Work
At its core, a power shear uses a motor—either electric or pneumatic—to drive a set of cutting blades. This mechanism mimics the action of manual shears but with far more speed and power, eliminating the physical strain. The design allows you to guide the tool smoothly across the metal surface, making it surprisingly easy to cut straight lines and even tight circles. Unlike some other cutting methods that can warp or distort the metal, a quality power shear is designed to make a clean cut with minimal material waste or damage. This means less time spent finishing edges and a more professional result on every job.
The Different Types of Power Shears
Power shears aren’t a one-size-fits-all tool. They come in a few different designs, each suited for specific tasks. The most common types you’ll encounter are straight-cut shears and nibblers. Straight-cut shears function much like scissors, with two blades that slice through the material, and they are fantastic for long, linear cuts. Nibblers work differently, taking small “bites” or punches out of the metal, which makes them incredibly versatile for cutting complex curves and corrugated materials without distortion. Understanding the difference is key to picking the right tool for your project, ensuring you get the clean, accurate results you need.
Power Shears vs. Manual Cutters: Why Make the Switch?
Making the jump from manual snips to power shears is a game-changer for any professional. The biggest advantage is speed. What might take several minutes of strenuous squeezing with hand tools can be done in seconds with a power shear. This efficiency adds up, letting you complete jobs faster. Just as important is the reduction in fatigue. Squeezing snips all day can lead to serious hand and wrist strain. Power shears do the hard work for you, allowing you to focus on guiding the cut accurately. This means you can work longer and more comfortably, all while producing higher-quality work with less effort.
5 Key Features to Look For in Professional Shears
When you’re ready to buy a new pair of power shears, it’s easy to get overwhelmed by the options. On the surface, they all promise to cut sheet metal, but the real difference is in the details. The right features can make your job faster, your cuts cleaner, and your day a whole lot more comfortable. A tool that doesn’t fit your workflow, on the other hand, will just end up collecting dust.
Choosing the right power shears isn’t just about brand names or price tags. It’s about matching the tool’s capabilities to the specific demands of your work. Whether you’re fabricating ductwork in the shop or installing a metal roof on-site, focusing on a few key characteristics will help you find a reliable tool that performs exactly how you need it to. We’ll walk through the five most important features to consider so you can invest in a pair of shears that will work as hard as you do.
Match the Cutting Capacity to Your Metal
Before you look at anything else, you need to know a shear’s cutting capacity. This tells you the maximum thickness of metal the tool can handle, usually measured in gauge. Every material is different, so the capacity for mild steel will be different from that for stainless steel or aluminum. Using shears on metal that’s too thick for them is a surefire way to burn out the motor, damage the blades, and get a messy, unsafe cut. Always check the manufacturer’s specifications and choose a tool that can comfortably handle the gauges you work with most often. Having the right metal cutting tools for the job prevents costly mistakes and tool replacements.
Decide Between Corded and Cordless Power
The choice between corded and cordless power shears comes down to where and how you work. Corded models offer consistent, uninterrupted power, which is perfect for long sessions in the workshop where you have easy access to an outlet. You never have to worry about a battery dying mid-cut. Cordless shears, however, give you complete freedom of movement. They are ideal for working on rooftops, navigating complex job sites, or any situation where dragging a cord is impractical or unsafe. While you’ll need to keep batteries charged, the mobility you gain is often a worthwhile trade-off for on-site work.
Inspect the Blade Quality and Type
The blades are where the action happens, so their quality is non-negotiable. Look for shears with blades made from high-quality, hardened steel that can hold an edge and withstand the demands of daily use. Some shears come with double-cut blades that remove a thin strip of material, which minimizes distortion on both sides of the cut. Others have single-cut blades that are great for straight lines. It’s also smart to choose a model with replaceable blades. This extends the life of your tool significantly, allowing you to maintain peak cutting performance without having to buy a whole new set of shears.
Prioritize Ergonomics for All-Day Use
If you use your shears for hours at a time, comfort is key. Good ergonomics can make a huge difference in reducing fatigue and preventing strain. Pay attention to the tool’s weight, balance, and handle design. A well-balanced tool feels lighter in your hand and gives you better control, leading to more precise cuts. Look for a comfortable, non-slip grip that fits well in your hand. A lighter tool with a smart design is less likely to cause a slip or mistake, which not only improves your work but also keeps you safer on the job.
Look for Essential Safety Features
Professional-grade tools should always come with solid safety features. A variable speed trigger is one of the most important, as it gives you complete control over the cutting speed, allowing you to start slow and ramp up as needed. This is especially helpful when making intricate or curved cuts. Also, look for a lock-on or lock-off switch to prevent the tool from starting up accidentally. A well-designed blade guard is another must-have, as it helps protect your hands from the cutting edge. These features aren’t just extras; they’re essential for maintaining a safe work environment.
Who Makes the Best Power Shears? A Look at Top Brands
When you’re ready to invest in a new tool, the number of brands can feel overwhelming. While there’s no single “best” brand for everyone, some names consistently stand out for their quality, performance, and reliability. The right choice for you will depend on the specific demands of your work, your budget, and whether you’re already invested in a particular battery platform. Let’s walk through the major players in the power shear market so you can find the right fit for your toolkit and get the job done right.
Stortz Tools
We’re proud of the tools we offer because we know what professionals need. Our selection of metal cutting tools is curated for durability and precision on the job site. You’ll find shears designed to handle the specific demands of metal roofing and fabrication, backed by a name that roofers have trusted for generations. We focus on providing high-quality, specialized equipment that delivers clean cuts and stands up to daily use. When you need a tool that’s as serious about your craft as you are, exploring our offerings is a great place to start.
Milwaukee
Milwaukee has earned a reputation as one of the best tool brands overall, and their power shears are no exception. Known for exceptional durability and performance, these tools are built to withstand tough job site conditions. Professionals often choose Milwaukee for their powerful cutting action and ergonomic designs that reduce fatigue during long workdays. If you need a reliable workhorse that won’t quit, Milwaukee is a brand worth a serious look. Their commitment to creating heavy-duty tools makes them a staple in many professional toolkits across the country.
Makita
If you’re looking for a tool that combines power with excellent handling, Makita is a top contender. Many professionals find their cordless shears to be incredibly versatile and easy to control, allowing for precise cuts with less effort. Makita is well-regarded for creating tools that feel balanced and comfortable in your hands, which makes a huge difference during repetitive tasks. For roofers and fabricators who value precision and maneuverability, Makita’s power shears are a popular and dependable choice that consistently delivers clean results.
DeWalt
DeWalt is a powerhouse in the cordless tool world, and their power shears live up to that reputation. Recognized as a top cordless tool brand, they offer reliable and efficient shears that give you the freedom to work anywhere without being tethered to a cord. DeWalt tools are designed with user comfort in mind, making them ideal for extended use on large projects. If you’re already on their battery platform or looking to go cordless, their power shears are a solid investment for any professional who needs mobility and consistent performance.
Bosch
Known for innovative engineering, Bosch is another leading name in the power tool industry. Their power shears are designed for high performance and precision, making them a favorite among professionals who demand accuracy. Bosch tools are often praised for their quality construction and advanced features that make cutting sheet metal smoother and more efficient. If you prioritize cutting-edge technology and top-tier quality in your tools, Bosch offers a range of power shears that can meet the needs of even the most demanding jobs.
Malco
Malco specializes in tools for the exterior construction trades, and their expertise shows. They are known for producing robust, effective power shears specifically for working with metal. Contractors often rely on Malco for their durability and ability to handle various types of sheet metal with ease. These are specialized tools built for the trade, so if your work is focused on roofing, siding, or HVAC, Malco’s shears are designed with your specific challenges in mind. They are a go-to for many who need a reliable cutting tool day in and day out.
Kett Tool
Kett Tool has carved out a strong reputation for its high-quality, American-made metal cutting tools. Their power shears are favored by professionals for their reliability and precision. They offer a variety of shear heads that can be swapped out to handle different materials and cutting applications, from straight lines to tight curves. This versatility makes Kett Tool a practical choice for fabricators and roofers who work with a range of metals and need a tool that can adapt to different tasks without sacrificing performance or cut quality.
WEN
For those who need a functional tool without the premium price tag, WEN offers budget-friendly power shears that get the job done. While they may not have the same heavy-duty reputation as some of the other brands on this list, they provide solid value for occasional use or for professionals just starting to build their tool collection. WEN proves that you don’t always have to break the bank to add a capable power shear to your arsenal, making them a practical option for a variety of users.
How to Choose the Right Power Shears for Your Work
Picking the right power shears feels less like a purchase and more like hiring a new team member. You need a tool that can keep up, handle the specific demands of your projects, and won’t quit on you halfway through a job. With so many options on the market, it’s easy to feel a bit lost. But by focusing on a few key areas, you can cut through the noise and find the perfect shears for your toolkit. Think of this as your practical guide to making a smart, long-lasting investment that will make your work easier and more efficient for years to come.
Match the Tool to the Job’s Demands
Before you even look at brands or prices, the first question you should ask is: “What am I cutting?” The answer will narrow down your options significantly. Power shears are workhorses for slicing through sheet metal, but not all shears are created equal. The type and thickness of the metal you typically work with are the most important factors. A pair of shears that glides through 24-gauge aluminum might struggle with 18-gauge stainless steel.
Check the tool’s specifications for its cutting capacity across different materials. You also need to consider the type of cuts you’ll be making. Are you mostly doing long, straight cuts for roofing panels, or do you need to make tight curves for HVAC fittings? Different head designs are optimized for different tasks. Taking a moment to inventory your daily needs will ensure you get a tool that’s perfectly suited for your work, not one you have to work around.
Assess Your Power and Performance Needs
Once you know what you’ll be cutting, it’s time to think about the engine behind the blades. The power and performance of your shears directly impact your efficiency on the job. For corded models, look at the amp rating; for cordless, check the voltage. A higher number generally means more muscle to power through tougher materials without bogging down. This is especially critical if you’re working in a high-volume shop or on large-scale construction projects where speed is key.
Performance isn’t just about raw power, though. Also, consider the cutting speed, which is often measured in strokes per minute (SPM). A higher SPM allows you to move faster, which can save a significant amount of time over the course of a big project. The goal is to find a balance—you need enough power to handle your toughest materials and enough speed to keep your workflow moving smoothly.
Consider Mobility on the Job Site
The debate between corded and cordless tools is all about where you do your work. If you’re on a roof, scrambling over scaffolding, or working in tight spaces, the freedom of a cordless model is a game-changer. There are no cords to trip over or get tangled, giving you complete freedom of movement. Modern battery technology has come a long way, offering plenty of runtime for a full day’s work, especially if you have a spare battery on hand.
On the other hand, if you’re primarily working in a fabrication shop at a dedicated workstation, a corded model might be the better choice. You get a constant, reliable power source without ever worrying about a battery dying mid-cut. Corded tools are also often slightly lighter since they don’t have the weight of a battery pack. Your job site is the deciding factor here, so choose the option that best fits your environment.
Compare Price and Overall Value
It’s tempting to just look at the price tag, but the true cost of a tool goes far beyond the initial purchase. When it comes to professional-grade metal cutting tools, it’s better to think in terms of overall value. A cheap tool that wears out quickly or delivers sloppy cuts will cost you more in the long run through replacements and wasted time.
Instead, consider the tool as a long-term investment. Look at the build quality, the materials used in the blades and housing, and the reputation of the brand. A slightly more expensive tool from a trusted manufacturer is more likely to withstand the daily grind of a professional job site. Also, factor in the cost and availability of replacement blades. A durable, reliable tool that performs consistently day in and day out provides the best value and is always the smarter financial choice.
Don’t Forget to Check the Warranty
A solid warranty is more than just a piece of paper; it’s a manufacturer’s vote of confidence in their own product. Before you make a final decision, take a minute to understand the warranty that comes with the shears. How long does it last? What does it cover—just parts, or labor too? A multi-year warranty that covers defects in materials and workmanship shows that the company is willing to stand behind its tool.
This is also a good time to think about tool care. Most warranties require that the tool is properly maintained, so it’s a great reminder to start good habits from day one. Keeping your shears clean, storing them in a protective case, and following the manufacturer’s maintenance schedule will not only keep your warranty valid but will also dramatically extend the life of your investment.
Where to Use Power Shears: Common Applications
Power shears are workhorses in any trade that involves cutting sheet metal. Their speed, power, and precision make them indispensable for a wide range of jobs. While they are a must-have for specific trades, their versatility makes them a valuable addition to any professional’s toolkit. Here are some of the most common places you’ll find power shears at work.
Metal Roofing
On a metal roofing job, power shears are absolutely essential. When you’re working with long panels of steel or aluminum, making straight, clean cuts quickly is the name of the game. Power shears let you slice through sheet metal for standing seam panels, trim, and flashing without the hand fatigue you get from manual snips. This means you can work faster and more accurately, whether you’re cutting panels to length on the ground or making detailed cuts around vents and chimneys up on the roof. A reliable pair of power shears is non-negotiable for achieving that crisp, professional finish.
HVAC and Ductwork
If you work in HVAC, you know that fabricating ductwork involves a ton of sheet metal cutting. Power shears are a core tool for this line of work, making it much easier to handle large sheets of galvanized steel or aluminum. They give you the power to make long, straight cuts for main trunk lines and the control for intricate cuts needed for fittings and transitions. The efficiency is a huge advantage; you can get through your cutting list much faster than with hand tools. This speed helps keep projects on schedule and reduces the physical strain of repetitive cutting.
Industrial Fabrication
In any industrial fabrication shop, efficiency and precision are key. Power shears are a workshop staple because they deliver on both fronts. They use a motor-powered blade to cut through large sheets of metal quickly and accurately, which is a huge step up from manual methods. Whether you’re fabricating custom parts, building machine enclosures, or creating architectural elements, power shears handle the bulk of the metal cutting work with ease. This allows fabricators to produce consistent, high-quality pieces while saving time and energy, turning raw sheet metal into finished products with clean edges.
General Construction
Power shears are incredibly versatile, making them a valuable tool on almost any construction site. Beyond roofing and HVAC, they are perfect for a wide range of tasks. You can use them to cut metal studs for framing, trim vinyl or aluminum siding, or fabricate custom pieces for gutters and downspouts. Their ability to make quick, clean cuts in various types of sheet metal means you can use one tool for multiple jobs. This versatility saves space in your truck and time on the job, making power shears a practical investment for any contractor.
How to Use Your Power Shears Safely
Power shears make quick work of tough materials, but they demand respect. Just like any power tool on the job site, operating them safely is the top priority. A clean cut is great, but getting the job done without injury is what really matters. Mastering safe operation isn’t just about avoiding accidents; it’s also about producing higher-quality work and extending the life of your tools. By focusing on the right gear, proper technique, and a well-organized workspace, you can ensure every cut is both precise and safe. Let’s walk through the essential steps to take before you ever pull the trigger.
Gear Up: Your Essential Safety Equipment
Before you even think about plugging in your shears, you need to be wearing the right personal protective equipment (PPE). Metal shards and sharp edges are unforgiving. Start with your eyes and face; always wear a full face shield or, at a minimum, high-impact safety glasses. Your hands are next. A good pair of cut-resistant, heavy-duty gloves will protect you from the razor-sharp edges of freshly cut sheet metal. Finally, don’t forget about your feet. Steel-toed boots are a must on any job site to protect you from falling tools or materials. Don’t cut corners on safety gear—it’s your first and best line of defense.
Master the Proper Cutting Technique
When it comes to using power shears, let the tool do the heavy lifting. Your job is to guide it. Forcing the shears through the metal can cause the blade to bind, damage the material, or even cause you to lose control of the tool. Start by lining up the blade with your cut line before you pull the trigger. Once it’s running, apply steady, forward pressure and guide the tool firmly along your mark. Maintain a comfortable, balanced stance that gives you full control. A smooth, consistent motion will give you the cleanest cut and prevent unnecessary strain on both you and your shears.
Set Up Your Workspace for Success
A clean and organized workspace is a safe workspace. Before you begin, make sure the area is well-lit and free of any tripping hazards like cords, tools, or scrap material. The most important step is to secure your workpiece. Whenever possible, make sure the sheet metal is clamped down tightly to a stable workbench or table. A piece of metal that shifts or vibrates unexpectedly during a cut is a major safety risk and a recipe for a ruined cut. If you’re working with a corded tool, be mindful of where the cord is at all times to avoid cutting it or tripping over it.
Avoid These Common Cutting Mistakes
Even experienced pros can make mistakes, but knowing what to look for can help you avoid them. One of the most common issues is “bending,” where long, thin strips of metal bow or twist downward as they’re cut. You can prevent this by properly supporting both sides of the sheet metal throughout the cut. Another mistake is using the wrong tool for the material’s thickness or type, which can lead to jagged edges and a strained motor. Always check that your shears are rated for the job. Using the right metal cutting tools for the specific material and cut you need to make is the surest way to get a clean, professional result every time.
Keep Your Power Shears in Top Shape
Your power shears are a serious investment, and just like any high-performance tool, they need regular care to deliver the clean, precise cuts you rely on. A solid maintenance routine doesn’t have to be complicated or time-consuming. In fact, spending just a few minutes on upkeep after a job can dramatically extend the life of your shears, keep them cutting accurately, and ensure they operate safely. Think of it as protecting your investment and guaranteeing your tool is always ready for the next challenge. By building these simple habits, you’ll prevent premature wear and tear, avoid costly repairs, and get consistent, professional results every time you pull the trigger.
A Simple Cleaning Guide
One of the easiest and most effective things you can do is to clean your shears daily. Throughout a workday, your tool accumulates dust, metal debris, and other job site residue that can work its way into moving parts and interfere with performance. At the end of the day, take a moment to wipe down the entire tool with a dry cloth. Use a small brush or compressed air to clear out any metal shavings from the vents and cutting head. This simple step prevents buildup that can cause overheating and strain the motor, ensuring your shears run smoothly for years to come.
How to Care For and Replace Blades
The blades are the business end of your shears, so they deserve special attention. After each use, clear away any burrs or dust from the cutting blades with a wire brush, then wipe them clean with a cloth. Applying a thin coat of low-viscosity oil will prevent rust and keep the cutting action smooth. Pay close attention to how the blades are performing. If you notice the tool is struggling to cut through material it once handled easily, or if the cuts are no longer clean, it’s time to inspect the blades for nicks or dullness. Don’t hesitate to replace them; working with sharp blades is safer and puts less stress on the tool’s motor. You can find a great selection of professional metal cutting tools and replacement parts to keep your equipment in prime condition.
Know When and How to Lubricate
Proper lubrication is key to reducing friction and preventing your shears from wearing out prematurely. While oiling the blades is a daily task, the tool’s internal components also need attention. Most power shears have specific lubrication points for the gears and moving parts within the cutting head. Your best bet is to consult the manufacturer’s manual for their specific recommendations on what type of lubricant to use and how often to apply it. A good rule of thumb is to lubricate your tool regularly, especially if you’re using it heavily. This keeps everything moving freely and protects the motor from unnecessary strain.
Store Your Tools Correctly
How you store your power shears at the end of the day matters more than you might think. Tossing them in the back of the truck or leaving them out on a workbench exposes them to moisture, dust, and the risk of being knocked over. The ideal solution is to keep your shears in a sturdy, fitted case. A good case cushions the tool from impact and has a soft lining that can help absorb any ambient moisture, protecting the blades and internal electronics from corrosion. This not only keeps your tool safe but also makes it easier to transport and keeps all your accessories in one place.
Pro Tips for a Flawless Cut Every Time
Even the best tool needs a skilled operator to get perfect results. Once you’ve chosen your power shears, a few simple practices can make a huge difference in the quality of your work. Mastering these techniques will help you work more efficiently, produce cleaner cuts, and extend the life of your tools. Think of it as the final step in turning a good tool into a great investment. From preparing your material to maintaining your equipment, these professional tips will help you achieve a perfect cut, every single time.
Prep Your Sheet Metal Before You Start
A great cut starts before the blades even touch the metal. Taking a few moments to prepare your workpiece sets you up for a smooth, accurate result. First, make sure the surface of the sheet metal is clean and free of any oil or debris that could cause the tool to slip. Next, use a quality scribe or marker to draw clear, precise cut lines. Don’t rush this step—a straight line is much easier to follow. Finally, secure your sheet metal with clamps so it can’t shift or vibrate while you’re cutting. This not only improves accuracy but is also a critical safety measure.
Get a Clean, Burr-Free Cut
The key to a smooth, burr-free edge is letting the tool do the work. Pushing the shears too hard or too fast can cause the metal to bend or leave a jagged edge. Instead, apply steady, consistent pressure and guide the tool along your marked line. The right technique often depends on the material you’re working with. You may need to adjust your speed or angle based on the metal’s thickness and type to get the best results. High-quality, sharp blades are essential here; they slice through the metal cleanly rather than tearing it. Investing in top-tier metal cutting tools ensures you have the precision needed for a professional finish.
Match the Right Shear to the Specific Cut
Using the right tool for the job is a non-negotiable rule in professional metalwork. Power shears are specialized tools, and different models are designed for different tasks. A pair of straight-cutting shears, for example, will struggle to make a clean curved cut, and you risk damaging both the tool and your material by trying to force it. Before you start a project, confirm that your shears are rated for the type and gauge of the metal you’re cutting. Having a versatile toolkit with shears designed for straight lines, curves, and different materials will ensure you’re always prepared and can work efficiently without compromise.
Optimize Your Tool’s Performance
Your power shears work hard, and a little regular maintenance will keep them performing at their best for years. As industry experts note, one of the simplest yet most effective ways to maintain your shears is through daily cleaning. After each use, take a moment to wipe down the tool and clear away any dust or metal debris from the blades and housing. Regularly inspect the blades for any nicks or dullness and replace them as needed. For cordless models, keep your batteries charged and stored properly. A well-maintained tool is a reliable and safe tool that you can count on for every job.
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Frequently Asked Questions
What’s the real difference between power shears and a nibbler? When should I use one over the other? Think of it like this: power shears work like a powerful pair of scissors, making a clean slice through the material. They are fantastic for long, straight cuts on flat sheet metal. A nibbler, on the other hand, works like a tiny hole punch, taking out small “bites” of metal as it moves. This action makes it the perfect tool for cutting corrugated panels or intricate curves without causing the metal to warp or distort.
Can I use my power shears to cut materials other than metal, like vinyl siding or plastic? While power shears are designed specifically for metal, they can often cut through softer materials like plastic or vinyl. However, you should proceed with caution. The tool’s power and speed can sometimes melt or crack these materials instead of producing a clean cut. It’s always a good idea to test on a scrap piece first. Using your shears on materials they weren’t designed for can also cause the blades to dull much faster.
Is it worth getting my power shear blades sharpened, or should I just replace them? This really comes down to a balance of cost and convenience. High-quality blades can certainly be sharpened, and doing so can save you some money over time. The challenge is finding a sharpening service that can handle hardened tool steel correctly to maintain the precise cutting angle. For most professionals on a tight schedule, simply swapping in a new set of factory-sharp blades is the faster and more reliable way to guarantee a perfect cut every time.
My cordless shears seem to lose power quickly. How can I get more life out of my batteries? Getting the most out of your batteries is crucial on the job site. A few simple habits can make a big difference. Try to avoid storing your batteries in extreme temperatures, like in a hot truck cab. It’s also best to avoid running a battery completely dead before you charge it. Having at least two batteries in rotation is a great strategy, as it allows one to cool down completely before it goes on the charger, which helps extend its overall lifespan.
How do I handle cutting tight curves without distorting the metal? Cutting a clean curve is all about technique. The most important thing is to let the tool do the work and guide it smoothly along your line rather than forcing it. If you have shears with a swiveling head, they are designed for this kind of maneuverability. For the cleanest results, consider using double-cut shears, which remove a thin strip of waste material. This action naturally relieves stress in the metal and is very effective at preventing warping as you make the turn.