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CRAFTSMAN V20 Battery, 6.0 Ah, Lithium Ion Battery (CMCB206)

TLDR Review: CRAFTSMAN V20 6.0 Ah Battery

Item: CRAFTSMAN V20 6.0 Ah Battery
Author: ShopSavvy

By ShopSavvy Team

Published: February 17th, 2026

Pros

•Offers a great battery life with a lonasting charge, significantly outperforming the 4.0 Ah version.
•Maintains strong power output even on higorque tools like impact wrenches.
•Charges quickly, keeping downtime to a minimum.
•Compatible and ideal for use with Craftsman V20 tools, including a 7.5 inch electric saw.
•Delivers reliable performance throughout extended use, making it recommended for long jobs.
•Holds charge well over time, maintaining power when not in active use.
•Produces plenty of power for demanding tasks.
•Weight remains manageable, not noticeably heavier than smaller capacity batteries.
•Seen as a solid value despite a slightly higher price point.
•Makes a thoughtful gift option for Craftsman tool users due to its dependable performance.

Cons

•Some users report that battery life feels shorter than expected, with claims of only about 20 minutes of run time.
•A few users noted that the large capacity (6.0 Ah) does not always translate into much longer usage compared to lower capacity batteries.
•Price is on the higher side, which could be a consideration if budget is tight.

Bottom Line

The CRAFTSMAN V20 6.0 Ah Lithium Ion Battery (CMCB206) stands out as a powerful and reliable battery designed to keep your Craftsman cordless tools running longer and stronger. While it charges quickly and generally delivers excellent runtime, a small number of users have experienced shorter-than-expected battery life. If you want consistency, power, and compatibility with your existing Craftsman V20 tools, this battery is a smart pick. However, if you’re particularly sensitive to price or want to experiment with other brands, keep an eye out for alternative batteries that may offer comparable performance at different price points.

Lowest at Amazon

$69.00 at Amazon

Lowest at any Popular Retailer

$69.00 at Ace Hardware