Let’s be honest: nobody actually likes gas generators. They’re loud, they smell like a refinery, and they always seem to get finicky right when you’re behind schedule. If you’re a contractor working indoors or a pro tired of dragging 100-foot extension cords across a muddy site, Milwaukee just handed you the ultimate "get out of jail free" card by changing the game with the Milwaukee ROLL-ON 7200W/3600W portable power supply, and now the big question is whether you go with the standard 2.5kWh model (3300R) or the beefed-up 6.0kWh powerhouse (3301R).
Same Power, Different Tank
Both of these units are absolute tanks. We’re talking 7200W of starting power and 3600W of continuous running power. That’s enough juice to fire up a table saw, a jackhammer, or even a large compressor without the unit breaking a sweat. They both feature the same rugged 9.5-inch all-terrain wheels and are fully PACKOUT compatible, meaning this isn't just a battery generator; it’s part of your storage stack.
The real difference? Capacity. The Milwaukee 3300R packs a 2.5kWh REDLITHIUM integrated battery, while the Milwaukee 3301R more than doubles that to 6.0kWh. It’s like choosing between a standard fuel tank and a long-range auxiliary. If you’re just running chargers and a miter saw for trim work, the 2.5kWh gets the job done. But if you’re a general contractor running high-draw corded tools all day in a basement where there’s zero temporary power, that 6.0kWh version isn't just a luxury—it’s your lifeline.
Built for the Way You Actually Work
Milwaukee knew exactly who they were building this for. It’s got:
- (2) 20A GFCI duplex outlets: Standard rugged plugs that won't quit.
- USB-C and USB-A ports: Because your phone and tablet are just as vital as your impact driver.
- IP54 Protection: It laughs at dust and rain.
- PACKOUT™ Compatibility: It locks right into your existing stack, so you can roll your entire shop onto the elevator in one trip.
Pro Tip: Use the pass-through power feature. You can charge the ROLL-ON™ while simultaneously running your tools off it. It’s basically a massive UPS (Uninterruptible Power Supply) for the jobsite.
Gear Up With The NEW Milwaukee ROLL-ON 7200W/3600W 6.0kWh Power Supply
If you're ready to cut the cord (and the gas can), check out the ROLL-ON™ and its essentials at Acme Tools:
Check Out More Milwaukee Power Solutions
If the ROLL-ON™ is more muscle than you need for a quick service call, or if you’re looking to build out a full battery-powered fleet, Milwaukee has a range of inverters and power supplies that fit every bag and every budget. Here are the top contenders currently at Acme Tools:
See the ROLL-ON™ in Action
Check out the video below to see how this thing handles real-world professional loads and how the PACKOUT™ integration makes it the most mobile power station on the planet.
