If you buy something through our links, ToolGuyd might earn an affiliate commission.
The new Milwaukee Roll-On power supply, 3300R, is a versatile portable power station with a built-in non-removable rechargeable battery.
It features a 2.5 kWh battery, pure sine wave inverter, (4) 20A GFCI-protected outlets (2x duplex), USB-A and USB-C charging ports, IP54 dust and water resistance rating, One-Key compatibility for tracking, high-visibility display, telescoping handle, and pass-through power.
The Milwaukee 3300R Roll-On power station charges to 25% in 35 minutes, and 100% in 3 hours.
It can deliver 3600W running power, and 7200W starting power.
The Roll-On is – true to its name – designed to be rolled onto jobsites. It features 9.5″ all-terrain wheels and is said to withstand jobsite environments, such as gravel, dirt, and mud.
I’m sure you’ve noticed the Packout-compatible top plate, which lets users haul a bunch of gear to the worksite in fewer trips.
It’s unsurprising that Milwaukee showcases the Roll-On with Packout-compatible M18 battery chargers, as it seems especially well-suited for this purpose.
The Milwaukee Roll-On can be used to power corded tools, in a similar manner as a gas generator, or as a mobile battery bank for recharging cordless power tool batteries.
This could be advantageous for cordless outdoor power tool users who need to recharge their batteries throughout the day.
Milwaukee’s product imagery depicts the Roll-On being used in mixed environments, where it’s powering corded tools and charging batteries at the same time.
The Roll-On doesn’t give off any emissions, allowing it to be used in environments unsuited for gas engine generators.
With the 3600W continuous power rating, it can support (2) 15A tools being used at the same time.
The outlets are rated to 20A, and can be used for more power-hungry tools.
Milwaukee’s images show the Roll-On being used in a wide range of usage environments.
There are USB-A and USB-C charging ports, as well as a convenient compartment where you can stow your smartphone or similar device while charging.
Features & Specs
- 2.5 kWh battery
- 3600W continuous, 7200W starting power
- (2) 20A duplex outlets (4 ports total)
- GFCI-protected pure sine wave AC output
- Display is visible from up to 25 feet away
- Telescoping handle
- Roll cage design
- 9.5″ all-terrain wheels
- Charges to 25% in 35 minutes
- Charges to 100% in 3 hours
- One-Key-compatible for tracking & management
- Pass-thru power (simultaneous charge & discharge)
- Packout-compatible top-plate
- IP54 rating
- 23.15″ W x 28.85″ L x 19.95″ H
- Weighs 104 lbs
An optional dust cover (48-11-3300) is available separately.
Price: $4499
ETA: April 2024
Runtime Estimates
Runtime estimates will change depending on the tool, appliance, or load. Following are some usage examples and estimates provided by Milwaukee.
- M18 5Ah battery: 20x recharges
- Pipe threader (1800W): (161) 2″ threads
- Portable air compressor (2000W): drives 3,854 framing nails
- Framing circular saw (1300-1500W): 4,117 OSB cuts
- Fluid transfer pump (100W): 12,506 gallons
- Microwave (100W): 76 meals heated
- TV (50-200W): 600-2400 minutes
- Laptop (90W): 35 recharges
Milwaukee Roll-On Questions & Answers
What is the working temperature range?
The operating temperature for the ROLL-ON Power Supply is -4F to 122F.
Is the power station UL-rated?
Yes, it is UL-rated!
We’re working on getting answers to a couple more questions. Let us know what other questions you might have!
