I Fixed My Two Milwaukee 12ah Batteries Here's How

Milwaukee M18 12Ah Battery Repair | Diagnosing & Fixing Faulty PCB & Cell Imbalance Issues

In this video, I take on the challenge of repairing two Milwaukee M18 12Ah 18V batteries, each with a different issue preventing them from charging or powering tools. With careful diagnosis and repair techniques, I demonstrate how to identify and fix these common battery problems.

What’s Covered in This Video:
Battery 1 – Faulty PCB Board:

Diagnosis using a multimeter to confirm healthy cell voltage.
Determining the PCB board as the root cause of the issue.
Step-by-step guide to replacing the faulty PCB.
Battery 2 – Severe Cell Imbalance:

Identifying uneven voltage across the cell banks.
Using a LiPro B6 balance charger to bring all cells back into balance.
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Restoring the battery’s functionality.
Why Watch?
Learn how to diagnose and repair two of the most common issues with Milwaukee M18 batteries: faulty circuit boards and cell imbalance. This video is perfect for anyone looking to save money and extend the life of their tools.

Tools & Equipment Featured:
Multimeter for testing cell voltage and balance.
LiPro B6 balance charger for rebalancing cells.
Screwdrivers and soldering tools for PCB replacement.
Disclaimer:
This video is for educational purposes only. Lithium-ion batteries can be dangerous if handled improperly. Always take appropriate safety precautions and proceed at your own risk.

Hashtags:
#MilwaukeeM18 #BatteryRepair #Milwaukee12AhFix #M18BatteryIssues #PCBReplacement #CellBalancing #DIYBatteryRepair #ToolMaintenance #PowerToolRepair #DoctorLefthandthread