Pros

  • Offers excellent run time, surpassing the 5 Ah version.
  • Quick charging capability, achieving full capacity in about an hour.
  • Compatible with a range of DeWalt tools like the leaf blower, 12" chainsaw, vacuum, and cordless belt sander.
  • Effective for extended projects such as floor stripping.
  • Enables uninterrupted workflow with multiple batteries for rotation.
  • Delivers increased power with Power Detect tools, noticeable by sound enhancement.

Cons

  • Reliability issues with batteries failing to hold charges after initial use.
  • The battery gauge becomes nounctional after around 10 charges.
  • Experiences of the battery no longer charging fully over time.
  • Various units showing consistent issues of short lifespan and quick failure.
  • Concerns over retailers selling possibly outdated units.
  • Considered pricey, especially with variable longevity in performance.
  • Questionable legitimacy of some favorable reviews.

Bottom Line

While the DeWalt 20V MAX XR 8 Ah Lithium-Ion Battery boasts impressive power and compatibility with a range of tools, it suffers from serious reliability issues as indicated by multiple users. Customers have reported a rapid decline in battery performance and unresolved charging problems. Despite offering a strong run time initially, potential buyers might want to consider the DeWalt 9Ah battery as an alternative for durability and dependability.

Lowest at any Popular Retailer
$93.00 at Amazon

Where to Buy

Prices last updated: August 1st 2025 6:32 pm
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