How to Fix a Milwaukee Power Tool That Keeps Battery Not Charging

If your Milwaukee power tool isn’t charging properly, it can disrupt your work schedule. Often, the problem lies with the battery, charger, or connections. This guide provides practical, step-by-step instructions to identify and resolve common charging issues safely.

Before proceeding, ensure you have your Milwaukee charger, batteries, and the tool ready. Safety first: always unplug the charger before inspecting or handling components.

Key Takeaways

Check the basicsEnsure power source and connections are working.
Inspect the batteryLook for damage, swelling, or dirt on contacts.
Test the chargerVerify the charger functions with a different battery.
Clean contactsRemove dirt or corrosion from battery and charger contacts.
Battery or charger may need replacement if faulty.
Milwaukee M18 18V Cordless Power Tool Combo Kit, 8-Tool Set, 3 Batteries, 2 Tool Bags, Charger Included

Milwaukee M18 18V Cordless Power Tool Combo Kit, 8-Tool Set, 3 Batteries, 2 Tool Bags, Charger Included

COMPLETE KIT: Includes hammer drill, impact driver, circular saw, angle grinder, reciprocating saw, multi-tool, work light, and 3...

As an affiliate, we earn on qualifying purchases.

Step 1: Verify Power Source and Connections

  1. Ensure the wall outlet or power strip is functioning by plugging in another device.
  2. Check the power cord and connections to the charger for damage or loose fittings.
Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout

Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout

As an affiliate, we earn on qualifying purchases.

Step 2: Inspect the Battery

  • Remove the battery from the tool and charger.
  • Look for visible damage, swelling, or dirt on the contacts.
  • Clean contacts gently with a dry cloth or a soft brush to remove dirt or corrosion.

Step 3: Test the Charger

  1. Connect the charger to a known working power outlet.
  2. Insert a different, fully charged battery to see if it charges.
  3. If the test battery charges, the issue may be with your original battery.

Step 4: Check for Damage and Replace

If your battery shows signs of damage or won’t charge after testing, consider replacing it with a Milwaukee-compatible battery. Similarly, if the charger doesn’t work with any batteries, it may need repair or replacement.

Additional Tips and Warnings

  • Always use Milwaukee-approved batteries and chargers to avoid damage.
  • Do not attempt to disassemble the charger or battery, as it can be dangerous.
  • If your charger or battery is under warranty, contact Milwaukee customer support for service or replacement.

The Products in This Guide

BEST-SELLING KIT
Milwaukee M18 18V Cordless Power Tool Combo Kit

Milwaukee M18 18V Cordless Power Tool Combo Kit

  • Battery system: M18 lithium-ion
  • Tool power: Extended runtime
  • Warranty: Standard
TOP IMPACT BIT SET
Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout

Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout

  • Included: Impact bits, case
  • Durability: Impact-rated
  • Application: Driving, fastening

Milwaukee M18 18V Cordless Power Tool Combo Kit

Milwaukee M18 18V Cordless Power Tool Combo Kit
OUR VERDICT
Reliable and versatile, the Milwaukee M18 18V Cordless Power Tool Combo Kit is a top choice for professionals and DIYers.
VIEW LATEST PRICE

This complete kit includes a hammer drill, impact driver, circular saw, angle grinder, reciprocating saw, multi-tool, work light, and three batteries with a charger. Its M18 lithium-ion system ensures consistent performance across all tools, making it ideal for demanding tasks.

Pros:

  • Wide range of tools included
  • Three batteries for extended work time
  • Durable construction
  • Includes charger and storage bags

Cons:

  • Heavy for prolonged use
  • Battery maintenance required
  • Initial cost is higher

Best for: Construction, remodeling, and maintenance professionals needing a comprehensive cordless toolkit.

Not ideal for: Light-duty users or those on a tight budget may prefer simpler kits.

Voltage:
18V
Number of tools:
8
Batteries included:
3
Charger:
Included
Storage:
2 tool bags
Application:
Drilling, driving, cutting, grinding

Bottom line: A versatile, all-in-one power tool kit perfect for heavy-duty projects.

Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout

Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout
OUR VERDICT
A comprehensive impact driver bit set to complement your Milwaukee tools.
VIEW LATEST PRICE

The Milwaukee Shockwave 100pcs Impact Driver Bit Set Packout offers a wide variety of bits in a durable case, ensuring you have the right bit for every job. It’s designed for durability and high performance with impact-rated bits.

Pros:

  • Large variety of bits
  • Impact-rated for durability
  • Packout case for organization
  • Compatible with Milwaukee impacts

Cons:

  • Bulkier case for smaller jobs
  • Bits can wear out with heavy use
  • Not a standalone solution

Best for: Professionals needing a complete set of impact driver bits for various applications.

Not ideal for: Casual users who only need a few bits or basic usage.

Pieces:
100
Case:
Packout
Impact-rated:
Yes
Material:
High-strength steel
Compatibility:
Milwaukee impact drivers
Color:
Black with orange accents

Bottom line: A versatile, durable bit set to enhance your impact driver performance.

Frequently Asked Questions

Why isn’t my Milwaukee battery charging?

Possible reasons include a faulty charger, damaged or worn-out battery, dirty contacts, or power source issues. Follow the troubleshooting steps to identify the cause.

How can I tell if my battery is bad?

Signs of a bad battery include swelling, corrosion, inability to hold a charge, or if it fails to charge despite the charger working properly.

Can I leave my Milwaukee batteries on the charger overnight?

Yes, Milwaukee chargers are designed to safely charge batteries overnight. However, it’s best to remove batteries once fully charged to prolong battery life.

What should I do if my charger isn’t working?

Test the charger with a different battery. If it still doesn’t work, inspect the power cord and outlet, or consider replacing the charger if it’s faulty.

Keep Your Milwaukee Tools Powered Up

Regular maintenance and proper handling can extend the life of your Milwaukee batteries and chargers. By following these troubleshooting steps, you can quickly identify and fix charging issues, ensuring your tools are always ready when you need them. Remember to use genuine parts and consult Milwaukee support for warranty or repair services when needed.

Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.

You May Also Like

2-Stroke Oils: Ashless vs Low-Ash and What That Means for Deposits

Choosing between ashless and low-ash 2-stroke oils can significantly impact engine deposits and performance; discover which option is best for your needs.

CAT Diesel-Powered Mower Has a Bigger Engine Than a Honda Civic

A commercial-grade CAT diesel-powered mower features an engine larger than a Honda Civic, highlighting industrial-grade power in landscaping equipment.

Why Motorcycle Oils Avoid Some Friction Modifiers (Wet Clutch Reality)

Gaining insight into motorcycle oil friction modifiers reveals how certain additives can compromise clutch performance and safety, making it essential to choose the right oil.

Air-Cooled Engines: Why Oil Choice Is Less Forgiving

Caring for air-cooled engines requires careful oil selection, as improper choices can lead to overheating and damage; learn why the right oil matters.