Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this battery for exceptional power and long-lasting performance, with many reporting all-day runtime on demanding tools like grinders and rotary hammers. The rapid 30-40 minute charge time and intelligent circuitry impressing users, while the LED status indicator helps plan work efficiently. The stacked lithium design consistently outperforms competitors and older models. Most appreciate the durable build and reliable performance under heavy loads. A few mention the weight as slightly heavy for drills and note storage concerns, though most agree performance justifies any trade-offs. Overall, customers consider this a game-changing investment for professional and heavy-duty work.
Customer review summary generated by AI, including incentivized reviews.Great battery!
Would RecommendAwesome tools! Battery has been great. Last just as long if not longer as my Milwaukee batteries!
From flexpowertools.com
Battery
Would RecommendI had battery's leaking I called flex and had no problems getting.new ones thanks to all involved
From flexpowertools.com
Battery charging problem
Bought this battery and within 2 months it stopped taking a charge. Not sure why, looks like it's time to be serviced.
From flexpowertools.com
More power last longer
Would RecommendLast a long time. Makes the tool work better and more efficient.
From flexpowertools.com
Great Quality!
Would RecommendAs with all the flex products, this is a superior charger. Flex is unmatchable in power and quality.
From flexpowertools.com
Battery
Can't beat the stacked batteries for power and runtime.
From flexpowertools.com
Possibly the best battery for flex tools.
Would RecommendI LOVE the stacked lithium batteries… so much power, quick charging, and they will last longer than the average battery. The 6 aH stacked lithium is a great battery which is why I will purchase more without hesitation.
From flexpowertools.com
Awsome tools
Would RecommendBest tools
From 24 -Volt 1 -Pack Battery ( 3.5 Ah Lithium-ion ) Verified PurchaserVerified Pro
Best Battery On The Market.
Would RecommendThe absolute best battery on the market. No other brand comes close.
From flexpowertools.com
Its a bad battery im sure it will be replaced ????
Battery will not charge at all took out of box and it does not light up no power
From flexpowertools.com
Hi there Jay! Thank you for reviewing the FLEX 6.0Ah Battery. We are sorry to hear about your experience with the battery having no power and would be... Read More
Long lasting power
Would RecommendI have 3 of these and and they haven't let me down. I also have the 8 ah and the stack lithium gives my saws a better response
From flexpowertools.com
Impressed
Would RecommendI was impressed by the amount of power I got from the battery. Especially on my reciprocating saw. It seems to last a good amount of time. I just wish it was a bit smaller, but I guess I couldn’t be helped.
From flexpowertools.com
Hello there, and thank you for reviewing the FLEX 6.0Ah Battery. We are sorry to hear about the battery behavior and would be happy to take a look int... Read More