Battery Platform Guide: DeWalt, Milwaukee, Makita, and the Rest
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Choosing a battery platform is a bigger decision than choosing any single tool. Once you own 3 batteries and a charger, switching costs $200 to $400, and most people don't switch. The platform determines which tools you can add over the next 5 to 10 years, what battery capacities are available, and how much each new tool costs. This guide covers the 8 major platforms, what they're good at, where they fall short, and which one fits different types of users.
DeWalt 20V MAX
DeWalt's 20V MAX platform is the largest professional cordless ecosystem. The "20V MAX" branding is nominal voltage, meaning the batteries are actually 18V lithium-ion cells (20V is the peak no-load voltage). Marketing aside, the platform covers 200+ tools across construction, woodworking, automotive, and outdoor categories. Battery capacities range from 1.5Ah compact packs to 15.0Ah FLEXVOLT packs.
The FLEXVOLT system deserves special mention. FLEXVOLT batteries automatically switch between 20V and 60V depending on the tool they're inserted into. A FLEXVOLT battery in a standard 20V drill runs at 20V. The same battery in a FLEXVOLT table saw runs at 60V. This means you can own one set of batteries that works across both standard and high-power tools. The DCD800 drill and DCF850 impact driver are the current flagships in the standard 20V line.
Milwaukee M18
Milwaukee's M18 platform targets tradespeople: electricians, plumbers, HVAC techs, and general contractors. The lineup is deep, with 250+ tools and some category-specific tools you won't find elsewhere (the M18 FUEL ProPex expansion tool, the M18 FORCE LOGIC crimper). Battery options go from 2.0Ah to 12.0Ah.
Milwaukee also runs the M12 platform for compact tools. M12 drills, impacts, and specialty tools are smaller and lighter, built for overhead work, tight spaces, and lighter duty. Some professionals carry both: M18 for primary power tools and M12 for the tools that live in their pockets. The two platforms don't share batteries, so it's a separate investment.
Makita 18V LXT
Makita's 18V LXT platform has been around since 2005, making it one of the longest-running lithium-ion cordless systems. The 300+ tool count includes some unique entries like cordless coffee makers and Bluetooth speakers, but the core power tool lineup is competitive with DeWalt and Milwaukee at every tier.
Makita tools tend to be slightly more compact than their DeWalt and Milwaukee equivalents. The XDT16 impact driver and XFD16 drill are among the shortest in their class. Battery capacities go up to 6.0Ah on standard packs and 8.0Ah on the newer LXT X2 (36V) configuration, which uses two 18V batteries in series for tools that need more voltage, like the 36V circular saw.
Ryobi ONE+
Ryobi ONE+ is the value platform. Over 300 tools at prices 30% to 50% below Milwaukee and DeWalt. Battery compatibility spans back to 2004, which means an 18V battery bought today works in a ONE+ drill from 20 years ago. That backward compatibility is unmatched in the industry.
The tradeoff is build quality and performance ceiling. Ryobi tools use thinner housings, less refined motors, and simpler electronics than professional-grade brands. They work fine. They just don't survive the same abuse levels. For homeowners and weekend DIYers, Ryobi is hard to beat on value. The PBLID02 brushless impact driver and PBLDD01 brushless drill are genuinely good tools at $80 to $100 price points.
Ridgid, Bosch, Kobalt, and Craftsman
Ridgid (Home Depot exclusive) runs the 18V Octane platform. The standout feature is the Lifetime Service Agreement: register your tool online and Ridgid covers parts and labor for the life of the tool, including batteries. That warranty is real and enforceable. The tool lineup is smaller than the Big Three (around 60 tools) but covers the core categories well. The R86116 brushless drill and R862311B impact driver are solid performers.
Bosch's 18V system is competent but has a smaller tool selection in North America, around 40 tools. The engineering is excellent (Bosch pioneered the electronic motor protection that everyone else now copies) but the ecosystem breadth doesn't compete.
Kobalt (Lowe's exclusive) runs a 24V MAX platform with brushless motors across the line. Pricing sits between Ryobi and DeWalt. The KID 1324A-03 impact driver and KCS 124B-03 circular saw are competitive. Craftsman (also at Lowe's) uses V20 (20V) and V60 (60V) platforms. The lineup is broad but skews toward home use. Both brands are fine for homeowners who shop at Lowe's and want one ecosystem for everything.
How to Choose
If you're already invested in a platform with 3+ batteries, stay with it unless there's a specific tool you need that your brand doesn't make. The switching cost rarely justifies the change.
For new buyers: Ryobi ONE+ if budget is the priority and you're doing home projects. DeWalt 20V MAX or Milwaukee M18 if you want professional-grade tools and plan to build a large collection. Ridgid 18V if the lifetime warranty matters to you. Makita 18V LXT if compactness and legacy compatibility are important. Kobalt 24V or Craftsman V20 if you shop at Lowe's and want a single ecosystem that covers everything from drills to lawn mowers.
Frequently Asked Questions
Are DeWalt 20V MAX and 18V the same thing?
Yes. The batteries are 18V lithium-ion cells. "20V MAX" is the peak voltage when the battery is fully charged and under no load. Under actual use, they deliver 18V nominal. Milwaukee, Makita, Bosch, and Ridgid label their equivalent batteries as 18V. DeWalt, Craftsman, and Kobalt use the higher peak number. The batteries are functionally equivalent voltage.
Can I use batteries from one brand in another brand's tools?
Not directly. Each platform has a proprietary battery interface. Third-party adapters exist (e.g., adapter plates that let Milwaukee batteries fit DeWalt tools) but they void warranties, may not deliver proper voltage regulation, and can damage tools or batteries. Stick to matching brands.
How long do lithium-ion tool batteries last?
500 to 1,000 charge cycles, which translates to 3 to 5 years of regular use. Runtime per charge depends on capacity (measured in amp-hours) and the tool's power draw. A 5.0Ah battery lasts roughly 2.5 times longer per charge than a 2.0Ah battery on the same tool. Store batteries between 40% and 60% charge in a temperature-controlled space for maximum lifespan.
Is higher voltage always better?
No. Higher voltage means more potential power but also more weight and cost. A 12V drill weighs 2 to 3 lbs, and an 18V/20V drill weighs 3.5 to 5 lbs. For overhead work and all-day use, the lighter tool reduces fatigue. Use 12V for light duty and tight spaces, 18V/20V for general work, and 36V/60V for high-draw tools like table saws and miter saws.
Should I buy bare tools or kits?
If you already have batteries and a charger for a platform, buy bare tools. They cost $40 to $80 less than the kit version. If you're starting fresh, one kit (drill or drill/impact combo) gets you the charger and 2 batteries. After that, every subsequent tool should be bare.