milwaukee 2846-20 M18 TOP-OFF 175W Power Supply User Manual

milwaukee 2846-20 M18 TOP-OFF 175W Power Supply

WARNING To reduce the risk of injury, user must read and understand operator’s manual.


Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. Save these instructions – this operator’s manual contains important safety and operating instructions.

  • To prevent fire, do not cover or obstruct ventilation openings. Do not mount in Zero-Clearance compartment. Overheating may result.
  • Use caution when inserting or removing an AC plug into the AC outlet. Keep your fingers clear of the AC outlet. Ensure that your fingers do not contact the prongs of an AC plug when the plug is partially inside the power supply. The prongs of an AC plug can become bent from misuse. If an AC plug is improperly inserted into the AC outlet, a bent prong can slip outside the power supply and become a shock hazard.
  • Do not insert foreign objects in the power supply outlets or other openings.
  • This product’s AC receptacle has a non-sinusoidal output and is not recommended for use with certain types of sensitive electronics. Please refer to your sensitive electronics’ Operator’s Manual.
  • This equipment has parts that may cause arc- ing or sparking and should not be exposed to flammable vapors. Locate equipment at least 18″ (457 mm) above the floor when used in a repair facility.
  • Do not expose to rain.
  • For indoor use. Exercise reasonable care when using in wet conditions.
  • Store indoors.
  • Do not use if power supply or battery pack is damaged in any way.
  • Output not grounded. No grounding.
  • Power supply does not have charging capability.Power supply will not charge M18 battery packs.
  • Do not exceed the load rating of the power supply.Be mindful of the individual and accumulative electrical load for all attachments. Exceeding the load capacity of the power supply could result in overheating, fire, electrical shock, or injury.
  • Do not overload the power supply’s capacity.Exceeding the power supply’s wattage/amperage capacity may damage the power supply and/or electrical devices connected to it.
  • Attachments may require more power consumptions than this power supply is capable of providing. Check the attachment’s manual to avoid damage to the attachment or risk of personal injury.
  • Always follow all safety rules recommended by the manufacturer of attachments.
  • Do not use this power supply to provide power for emergency medical equipment or life support devices.
  • Never leave the power supply unattended while in use.
  • Know your power supply. Read operator’s manual carefully. Learn its applications and limitations, as well as the specific potential hazards related to this product. Do not alter or modify the power supply from the original design or function. Misuse and improper handling can cause injury.
  • Always use common sense and be cautious when using tools. It is not possible to anticipate every situation that could result in a dangerous outcome.Do not use this tool if you do not understand these operating instructions or you feel the work is beyond your capability; contact Milwaukee Tool or a trained professional for additional information or training.
  • Maintain labels and nameplates. These carry important information. If unreadable or missing, contact a MILWAUKEE service facility for a free replacement.


  1. AC Outlet
  2. Rafter hook
  3. AC Power on/off button
  4. USB Power on/off button
  5. USB-A port
  6. USB-C PD port
  7. Overload indicator
  8. Overtemperature indicator
  9. Internal fan (not shown)


Direct Current
Alternating Current
Read Operator’s Manual
Do not allow battery to contact corrosive or conductive fluid
AC Power
Universal Serial Bus (USB)
Overload indicator
Over temperature indicator
Intertek’s ETL Listing for Canada and U.S.Conforms To UL STD 1012.Certified To CSA STD C22.2 No. 300.
Approval Mark for Mexico


Recharge only with the charger specified for the battery. For specific charging instructions, read the operator’s manual supplied with your charger and battery.

Removing/Inserting the BatteryTo remove the battery, push in the release buttons and pull the battery pack away from the tool. Always remove battery pack before changing or removing accessories.To insert the battery, slide the pack into the body of the tool. Make sure it latches securely into place. Only use accessories specifically recommended for this tool. Others may be hazardous.


You may use this product for the following purposes:-Operating and charging USB-powered devices-Supplying electrical power for operating compatible small electronics such as cell phones, tablets, laptops, LED lights, small fans, radios, etc.NOTE: This device is not compatible for use with appliances, power tools, air conditioners, sump pumps, compressors, and/or other larger electrical devices.

Using the Power Supply

When a battery pack is installed, this power supply converts DC electricity to 120 V AC household power and/or 5 V DC USB (up to 2.4 A) charging power, allowing the user to charge and power a variety of devices. NOTE: AC Outlet and USB ports can be used at the same time. The internal fan may activate during use.

  1. 1. Insert battery pack.2. Press the AC and/or USB  power button to turn the power supply ON. The corresponding LED will light up WHITE when ready to use.3. Plug devices you want to power or charge into the 120V receptacle and/or the USB ports.4. When finished, turn off the power supply, disconnect your device, and remove battery pack.
Overload and Overtemperature Conditions

When an overload or overtemperature condition occurs, the respective icon will light RED. In addition, the corresponding AC or USB power button LED will blink WHITE. Take the appropriate action, such as turning off or reducing the load on the power sup- ply, or allowing the tool to rest (cool down) before continuing use.


G To reduce the risk of injury, always unplug the charger and remove the battery pack from the charger or tool before performing any maintenance. Never disassemble the tool, battery pack or charger. Contact a MILWAUKEE service facility for ALL repairs.

Maintaining Tool

Keep your tool, battery pack and charger in goodrepair by adopting a regular maintenance program.Inspect your tool for issues such as undue noise, misalignment or binding of moving parts, breakage of parts, or any other condition that may affect the tool operation. Return the tool, battery pack, and charger to a MILWAUKEE service facility for repair. After six months to one year, depending on use, return the tool, battery pack and charger to a MILWAUKEE service facility for inspection.If the tool does not start or operate at full power with a fully charged battery pack, clean the contacts on the battery pack. If the tool still does not work properly, return the tool, charger and battery pack, to a MILWAUKEE service facility for repairs.

To reduce the risk of personal in- jury and damage, never immerse your tool, battery pack or charger in liquid or allow a liquid to flow inside them.


Clean dust and debris from vents. Keep handles clean, dry and free of oil or grease. Use only mild soap and a damp cloth to clean, since certain cleaning agents and solvents are harmful to plastics and other insulated parts. Some of these include gasoline, turpentine, lacquer thinner, paint thinner, chlorinated cleaning solvents, ammonia and household deter- gents containing ammonia. Never use flammable or combustible solvents around tools.


For repairs, return the tool, battery pack and charger to the nearest authorized service center.


Use only recommended accessories. Others may be hazardous.For a complete listing of accessories, go online to or contact a distributor


1-800-SAWDUST (1.800.729.3878)Monday-Friday, 7:00 AM – 6:30 PM CST or visit www.milwaukeetool.comContact Corporate After Sales Service TechnicalSupport with technical, service/repair, or warranty questions.

Email: [email protected]

Become a Heavy Duty Club Member at to receive important notifications regarding your tool purchases.


Milwaukee Tool (Canada) Ltd1.800.268.4015Monday-Friday, 7:00 AM – 4:30 PM CST or visit


Every MILWAUKEE power tool* (see exceptions below) is warranted to the original purchaser only to be free from defects in material and workmanship. Subject to certain exceptions, MILWAUKEE will repair or replace any part on an electric power tool which, after examination, is determined by MILWAUKEE to be defective in material or workman- ship for a period of five (5) years** after the date of purchase unless otherwise noted. Return of the power tool to a MILWAUKEE factory Service Center location or MILWAUKEE Authorized Service Station, freight prepaid and insured, is required. A copy of the proof of purchase should be included with the return product. This warranty does not apply to damage that MILWAUKEE determines to be from repairs made or attempted by anyone other than MILWAUKEE authorized personnel, misuse, alterations, abuse, normal wear and tear, lack of maintenance, or accidents.Normal Wear: Many power tools need periodic parts replacement and service to achieve best performance. This warranty does not cover repair when normal use has exhausted the life of a part including, but not limited to, chucks, brushes, cords, saw shoes, blade clamps, o-rings, seals, bumpers, driver blades, pistons, strikers, lifters, and bumper cover washers.*This warranty does not cover Air Nailers & Staplers; Airless Paint Sprayer; Cordless Battery Packs; Gasoline Driven Portable Power Generators; Hand Tools; Hoist – Electric, Lever & Hand Chain;M12™ Heated Gear; Reconditioned Product; and Test & Measure- ment Products. There are separate and distinct warranties available for these products.

**The warranty period for Job Site Radios, M12™ Power Port, M18™ Power Source, Jobsite Fan and Trade Titan™ Industrial Work Carts is one (1) year from the date of purchase. The warranty period for the M18 FUEL™ 1″ D-Handle High Torque Impact Wrenches, Drain Cleaning Cables and AIRSNAKE™ Drain Cleaning Air Gun Accessories is two (2) years from the date of purchase. The warranty period for the M18™ Compact Heat Gun, 8 Gallon Dust Extractor, M18™ Framing Nailers, M18 FUEL™ 1/2″ Ext. Anvil Controlled Torque Impact Wrench w/ ONE-KEY™, and the M18 FUEL™ 1″ High Torque Impact Wrench w/ ONE-KEY™ is three (3) years from the date of purchase.The warranty period for the LED in the LED Work Light and the LED Upgrade Bulb for the Work Light is the lifetime of the product subject to the limitations above. If during normal use the LED or LED Bulb fails, the part will be replaced free of charge.Warranty Registration is not necessary to obtain the applicable warranty on a MILWAUKEE power tool product. The manufacturing date of the product will be used to determine the warranty period if no proof of purchase is provided at the time warranty service is requested.ACCEPTANCE OF THE EXCLUSIVE REPAIR AND REPLACEMENT REMEDIES DESCRIBED HEREIN IS A CONDITION OF THE CONTRACT FOR THE PURCHASE OF EVERY MILWAUKEE PRODUCT.IF YOU DO NOT AGREE TO THIS CONDITION, YOU SHOULD NOT PURCHASE THE PRODUCT. IN NO EVENT SHALL MILWAUKEE BE LIABLE FOR ANY INCIDENTAL, SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, OR FOR ANY COSTS, ATTORNEY FEES, EXPENSES, LOSSES OR DELAYS ALLEGED TO BE AS A CONSEQUENCE OF ANY DAMAGE TO, FAILURE OF, OR DEFECT IN ANY PRODUCT INCLUDING, BUT NOT LIMITED TO, ANY CLAIMS FOR LOSS OF PROFITS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY IS EXCLUSIVE AND IN LIEUOF ALL OTHER EXPRESS WARRANTIES, WRITTEN OR ORAL. TO THE EXTENT PERMITTED BY LAW, MILWAUKEE DISCLAIMS ANY IMPLIED WARRANTIES, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE; TO THE EXTENT SUCH DISCLAIMER IS NOT PERMITTED BY LAW, SUCH IMPLIED WARRANTIES ARE LIMITED TO THE DURATION OF THE APPLICABLE EXPRESS WARRANTY AS DESCRIBED ABOVE. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU, THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.This warranty applies to product sold in the U.S.A. and Canada only.Please consult the ‘Service Center Search’ in the Parts & Service section of MILWAUKEE’s website or call 1.800.SAWDUST (1.800.729.3878) to locate your nearest service facility for warranty and non-warranty service on a Milwaukee electric power tool.


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