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Your cart is empty.The Greenworks 40V 5Ah Battery is easy to use and maintain, with no memory effect and no self-discharge. It is also eco-friendly, with zero emissions and no gas, oil or tune-ups required. Overall, it is a reliable and efficient battery that is ideal for powering all your Greenworks 40V tools.
L.L. Bean
Reviewed in the United States on February 26, 2025
We bought a greenworks mower and wanted to have an extra battery on hand. Had to wait a bit for this to be available le but well worth it. Works great and charges restively quickly. Runs a long time. Very pleased with our mower and the replacement battery.
C McK
Reviewed in the United States on February 13, 2025
What a miserable experience with a miserable company. We've had four batteries now, and all have failed within 2-4 months. Greenworks will not stand by their 3-year warranty. That is complete b.s. My husband is chatting with their customer service who only offered a 10% discount to purchase a new $180 battery. This attempt to save the planet has turned into a nightmare.
S. Peters
Reviewed in the United States on August 2, 2024
I just bought a Greenworks mower and bought the extra battery thinking I would need it. I have a fairly good size front and back yards. And to boot the mower is self propelled and I was able to mow both the front and back yards before it stopped! Amazing! It has great battery life and easy to use.
redhead
Reviewed in the United States on June 4, 2024
I needed a 2nd battery for my battery powered lawnmower to be able to mow my yard. I love being environmental friendly when I can. No oil to change or gas to buy. I love it. charge, and mow. simple
bud
Reviewed in the United States on May 24, 2024
lived up to product info
Massimo
Reviewed in Italy on February 23, 2024
Tutto OK
MP 951
Reviewed in the United States on October 6, 2024
I use it in my mower greenworks 20 inch push mower.
Tobi Weirich
Reviewed in the United States on August 30, 2023
Battery arrived, tried to charge it but the charger flashed red that it was defective. I called Greenworks customer service and they sent me a new one, no questions asked and at no cost to me. Good customer service!
Rosario
Reviewed in Italy on July 17, 2023
Non mi è stato inviato,perché non permesso ..Ricordo che ne avevo acquistato altri due ,senza alcun problema..
Saporiti Davis
Reviewed in Italy on May 10, 2023
Come molti prodotti greenworks si distingue per buona qualità
Kenneth Jung
Reviewed in the United States on July 18, 2019
I'm a big Greenworks 40max fan. I have a lot of the units in their line... pretty much everything but a mower (not a fan of that power up/power down depending on grass thickness feature). I've had a couple of 4ah batteries and a 2ah for a few years now. Perfect performance, no issues (although I agree they are a bit hard to pry out of a few of the tools I use them with). This 5ah is PERFECT for my brushless blower. Of everything I have (tiller, small string trimmer, heavy duty string trimmer, air compressor, 16" chainsaw, which is AWESOME, hedge trimmer, also awesome, pole saw, and probably a couple I'm forgetting), the blower is the only battery hog. The battery use of each of these is VERY different, and that might be the cause of various reviews that go from 'lasts forever' to 'runs down quick;y' in all the Greenworks battery reviews.With my blower set on the turbo setting, which results in about 80% of the performance of a medium powered gas blower, you will only get about 12 or so minutes at full turbo blast setting and about 20 minutes on full/regular with the 4ah. As a comparison, I get almost a summer's worth of string trimming from a single charge on the smaller 2ah.Just gave the 5ah a run at full turbo power with the blower (it's again the powerful brushless model). Wonderful. I cranked it for 15 minutes on turbo and still had two lights.Very happy with the purchase and the whole line of productsl. Getting a significant price deal on the lightning offer on prime day didn't hurt either.For context, my yard is normal city size, with a lot of edging and blowing to do (deep lot with 140 foot driveway), so I say that I'm right about in the middle of the range for urban/suburban lawns. Plenty of power and battery life for everything I want to do, and now have meaningfully more time with the blower for the Fall leaf cleanup.
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