Ranked best-of lists for power tools, curated so you can buy in minutes
Ranked best-of lists for power tools, curated so you can buy in minutes
Matching a battery to a brushless cordless tool is less complicated than it looks, but voltage and amp-hours are only part of the decision. The battery must fit the tool’s platform, deliver enough current, and work with a charger approved for that battery family. A physically compatible pack can still run poorly, overheat, or damage […]
Why battery weight matters overhead When a tool is held above shoulder height, battery weight is not just a number on the box. It adds to the load on your wrists and shoulders, and it can make a tool harder to control as fatigue sets in. That matters when trimming branches, driving fasteners overhead, or […]
A cordless radio that can also charge tool batteries sounds like a simple way to cut down on gear at the jobsite. The catch is that “battery compatible” does not necessarily mean “charges batteries quickly,” and a battery that runs a radio all day may be awkwardly large for a charger-radio you carry around. Choose […]
A high-draw angle grinder can drain a cordless battery quickly, but buying the largest pack available is not automatically the right move. The useful choice depends on the grinder’s voltage platform, the wheel and material, how long you work between breaks, and how much weight you can handle. Check the tool manual first: a battery […]
The choice is usually between a small, light battery that makes an impact driver easier to handle and a larger pack that can sustain harder work for longer. A high-output battery can also help the tool deliver more power, but it adds weight and cost—and it won’t make every task faster. Match the pack to […]
Identifying a cordless tool’s battery platform is more important than matching the voltage printed on the battery. A 20V battery from one brand is not normally compatible with another brand’s 20V tool, and even batteries from the same manufacturer may belong to different generations or connector systems. The platform determines which batteries, chargers, tools, and […]
A 5.0 amp-hour battery is not automatically more powerful or longer-running than a 4.0 amp-hour battery. Amp-hours (Ah) measure charge capacity at a battery’s rated voltage. To compare batteries from different voltage platforms, account for voltage too: multiply volts by amp-hours to estimate energy in watt-hours (Wh). Start with watt-hours The basic comparison is: Watt-hours […]
What watt-hours measure Watt-hours (Wh) describe how much energy a battery can store. The figure is useful for comparing cordless tool batteries, including packs with different voltages. A higher Wh rating generally means more potential runtime, but it does not tell you exactly how long a tool will run or how much power it can […]
No. A DeWalt 20V MAX battery cannot run a 60V MAX FLEXVOLT tool. The battery may fit part of the tool’s slide-on connection, but it does not provide the voltage the tool needs. For a 60V tool, use a compatible DeWalt FLEXVOLT battery rated for that platform. Why a 20V battery won’t work DeWalt’s 20V […]
A DeWalt FlexVolt battery can power many 20V MAX tools, but that does not mean the tool runs at 60 volts. In a compatible 20V MAX tool, the battery supplies the voltage the tool is designed for. The main practical difference is usually capacity and weight—not extra power from a higher voltage setting. What voltage […]
