Milwaukee 48-59-1211 M12 TOP-OFF Power Supply & Charger

The Milwaukee 48-59-1211 M12™ TOP-OFF™ Power Supply and Charger is designed for users who rely on the M12™ platform and want a simple way to keep both tools and personal electronics powered throughout the day. Pairing with any MILWAUKEE® M12™ battery, this compact power source delivers up to 15W of output through its bi-directional USB-C port, giving users a convenient way to charge phones, tablets, headphones, and other small electronics on or off the jobsite. With up to 50% faster charging for personal devices and M12™ batteries compared to previous M12™ power supplies, it helps reduce downtime and keeps crews moving.

Beyond device charging, the M12™ TOP-OFF™ works as a dedicated power source for all MILWAUKEE® M12™ Heated Gear, making it especially useful in cold-weather work. A built-in fuel gauge provides quick visibility of remaining battery charge, while its small footprint makes it easy to clip onto gear, drop into a pocket, or carry in a tool bag. Supplied with a 2 ft jobsite-tough USB-C braided cable and USB-C wall adapter, this unit arrives ready to support everyday charging needs on site, in service vehicles, or at home.

Milwaukee M12 TOP-OFF Power Supply & Charger At a Glance

• 2-in-1 power supply and charger: Charges M12™ batteries and personal devices from the same compact unit.
• 15W bi-directional USB-C port: Provides reliable power for phones, tablets, headphones, and other small electronics.
• Faster charging performance: Up to 50% faster personal device and M12™ battery charging to help limit downtime.
• Compact, lightweight design: Small 0.6 lb body with a low profile for easy transport and storage.
• M12™ Heated Gear compatible: Powers all MILWAUKEE® M12™ Heated Gear for all-day comfort in cold conditions.
• Integrated fuel gauge: Allows quick checks of remaining M12™ battery charge at a glance.
• Durable USB-C braided cable: 2 ft jobsite-tough USB-C cable and wall adapter included for immediate use.
• Fits all M12™ batteries: Works with any MILWAUKEE® M12™ battery (battery sold separately).

Markets

• Construction and Renovation: Keeps phones, tablets, and heated jackets powered on active jobsites and in remote work areas.
• Service and Maintenance Technicians: Provides a portable M12™ power source and USB-C charger for field calls and repair work.
• Automotive and Fleet Repair: Supports diagnostic tablets, phones, and M12™ lights or heated gear in shop bays and yard areas.
• Industrial and Manufacturing: Useful for maintenance crews who rely on the M12™ platform and need dependable device charging between tasks.
• Municipal Workers and Facility Maintenance: Offers a compact power hub for maintenance staff working across large buildings and campuses.
• Trade Schools and Training Centers: Helps instructors and students learn battery platform management and practical on-site charging setups.
• Homeowners and DIY Users: Ideal for users who already own M12™ tools and want a power supply that doubles as a USB-C charger and heated gear power source.

For these users, the Milwaukee 48-59-1211 M12™ TOP-OFF™ Power Supply and Charger serves as a practical bridge between tool power and personal electronics. Crews on construction and maintenance jobs can keep communication devices and tablets powered from the same M12™ batteries they already carry, while also running M12™ Heated Gear in cold environments. Automotive and industrial technicians gain a power supply that fits in a pocket yet supports a full shift of intermittent charging when paired with higher-capacity M12™ batteries. Homeowners and DIY users benefit from a compact M12™ charger that doubles as a USB-C power supply, reducing the number of separate chargers and power banks they need to manage around the house, garage, or cabin.

Milwaukee 48-59-1211 M12™ TOP-OFF™ Power Supply and Charger Features

• 2-in-1 Battery and Device Charging
• 15W Bi-directional USB-C Port To Charge Phones, Tablets, And Other Personal Devices
• 50% Faster Personal Device and M12™ Battery Charging​
• Compact Size Maximizes Portability For Use On And Off The Jobsite​
• Compatible with all M12™ Heated Gear​
• Fuel Gauge Allows for Fast Checking of M12™ Battery Charge​
• 2ft Jobsite Tough USB-C Braided Cable and Wall Adapter Included​
• Fit’s All M12™ Batteries. Battery Not Included​
• 5 Year Warranty​

Milwaukee 48-59-1211 M12 TOP-OFF Power Supply & Charger Includes

• (1) M12™ TOP-OFF™ Power Supply and Charger
• (1) 2 ft USB-C braided cable
• (1) USB-C wall adapter

Milwaukee 48-59-1211 M12™ TOP-OFF™ Power Supply and Charger Specifications

• Manufacturer Part Number: 48-59-1211
• UPC: 045242797660
• Assembled Depth: 4.5 in
• Assembled Height: 1.8 in
• Assembled Width: 2.0 in
• Assembled Weight: 0.6 lbs
• Packaged Depth: 4.5 in
• Packaged Height: 1.8 in
• Packaged Width: 2.0 in
• Packaged Weight: 0.6 lbs
• Amps: Multiple (varies by connected M12™ battery and load)
• Battery Platform: Milwaukee M12
• Battery Power Type: No Battery (uses existing M12™ batteries)
• Battery Test Function: No
• Battery Voltage: 12V
• Cord Length: 2 ft USB-C cable
• Cordless/Corded: Cordless power supply; corded when using the USB-C wall adapter
• Ideally Used With: Milwaukee M12 batteries and M12™ Heated Gear
• Number of Batteries Included: (0) Batteries (sold separately)
• Number of Ports: (1) USB-C bi-directional port
• Number of Tools Included: (0) Tools
• Pack Size: (1) Power supply kit
• Power Tool Accessory Features: Battery charger, USB-C power supply for personal devices
• Power Tool Accessory Type: Power tool battery charger / power supply
• With or Without Charger: With USB-C wall adapter

Milwaukee 48-59-1211 M12™ TOP-OFF™ Power Supply and Charger Manufacturer Warranty

• Milwaukee’s 5 Year Limited Warranty

Why Customers Choose the Milwaukee M12 TOP-OFF Power Supply & Charger

Users choose the Milwaukee M12™ TOP-OFF™ Power Supply and Charger because it turns the M12™ battery platform into a practical everyday power hub. Instead of carrying a separate power bank and a dedicated M12 charger, technicians and installers can use a single compact unit that handles both M12 battery charging and USB-C device charging. On the jobsite or in a service truck, this M12 charger gives crews a simple way to keep phones, tablets, and headphones powered while still supporting their M12 tools and heated gear.

For cold-weather work, the ability to power all M12™ Heated Gear from the same unit is a major benefit. Crews can quickly check the fuel gauge to see how much runtime remains and decide when to swap batteries or top up using the included USB-C wall adapter. Homeowners and DIY users value that the power supply works with any M12™ battery they already own, making it a flexible power supply for devices and heated jackets in the shop, garage, or while traveling.