A red-green blinking LED on your Milwaukee M18 pack usually signals a tripped Battery Management System (BMS), not a dead battery. In just five steps—validated by engineering manuals—you can clear faults, rebalance cells, or know when replacement makes more sense.

The article shares practical, engineer-tested strategies to significantly extend the lifespan and performance of DeWalt 20V batteries. It emphasizes that battery failures are often due to poor maintenance rather than defects. Common mistakes like long-term storage at full charge, charging in high temperatures, or constant high-load usage can quickly degrade lithium-ion cells. To counter this, the article recommends keeping the battery charge between 20–80%, storing at moderate temperatures, regularly cleaning battery contacts, rotating battery usage, and allowing packs to cool after heavy use. It also includes guidance for extreme weather conditions, diagnostic tools, and troubleshooting steps for batteries that won’t charge. By following these best practices, users can greatly reduce downtime, cut replacement costs, and ensure their batteries run longer and more efficiently.

DeWalt batteries deliver exceptional power and runtime for demanding jobs—but only if they’re cared for properly. Follow these industry-backed best practices to maximize capacity, prevent premature degradation, and keep your tools running at peak performance.

Recycling old power tool batteries is crucial for both environmental and safety reasons. Proper disposal ensures that hazardous materials like lithium, cobalt, and nickel don’t pollute the environment. Let’s dive into how you can responsibly recycle your old power tool batteries, with a focus on tips, centers, and eco-friendly methods.

This guide provides essential tips and techniques to help users extend the life of their DeWalt 20V batteries, covering everything from proper charging to recognizing signs of deterioration. By following these steps, you can get the most out of your investment and avoid unnecessary replacement costs.

Explore the advantages of using third-party replacement batteries for DeWalt tools. Learn how they offer a cost-effective solution without sacrificing performance, making it easier to keep your tools running without the high price tag of OEM batteries.

Rechargeable Makita packs are built for longevity, but faults can still arise with age. This guide walks you through diagnosing and repairing the most common Makita battery problems—helping you maintain tool performance and avoid costly replacements.

Proper maintenance of your cordless tool batteries is essential to maximize runtime, preserve capacity, and reduce replacement costs.

Cold weather can dramatically shorten the life of your lithium‑ion and NiMH power tool batteries. Below freezing, chemical reactions slow, voltage sag worsens, and permanent capacity loss can occur. Follow these six expert tips to maintain performance and longevity through the cold months.

This blog introduces the protective circuit board (PCB) or Battery Management System (BMS) used in lithium‑ion packs, explaining why it’s essential for cell safety, longevity, and overall pack reliability.

In this section, we introduce the concept of a battery’s C-rating, explaining how it translates capacity (Ah) into safe charge and discharge currents. Understanding C-rating is critical for high-load or fast-charging applications.

In this blog, we explain why understanding 18650 lithium‑ion battery voltage is crucial for safety, performance, and longevity—helping you make informed design and maintenance decisions for your battery packs.