40V 4.0 Ah Battery

In stock
Model
29472
$149.99
In stock
4Ah Battery- 29472 is rated 3.9 out of 5 by 17.
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  • Quick charge time of 120 minutes
  • 3 Year Limited Battery Warranty

Perfect for yards up to 1/2 acre, Greenworks 40V tools are lightweight, start instantly, and require virtually no maintenance – no gas, no oil, no mess – but still deliver gas-like power.

  • 40V lithium-Ion battery delivers fade-free power with no memory loss after charging
  • Quick charge time of 120 minutes
  • 3 Year Limited Battery Warranty
Rated 5 out of 5 by from A great addition to my chainsaw! As I get older, it becomes harder and harder to start a gasoline-powered chain saw. So I bought a Greenworks Model 20312 40V chainsaw kit in July of this year and I love it! The saw is light, starts at the push of a button, is vey quiet, and is very efficient. However, when the battery is exhausted after about an hour of cutting, it takes 1.5 hours to recharge it. So I bought a back-up battery 2 weeks ago. Great move - it saved my neck. A rock maple (14 inch diameter at the base) had fallen across the narrow trail in my back woods. The saw cut this very hard tree well into smaller pieces until the battery died. My back-up battery allowed me to cut my way free. The alternative would have been to back up my Polaris Ranger 500 feet - a pain in the neck!
Date published: 2017-11-26
Rated 5 out of 5 by from Great Performer I've got (3) of these batteries that came with tool kits and have been using them for the past 3 months. Very impressed with how long they last, even in the most taxing of my tools I currently have ... the 24322 blower/vac on high speed ... it lasts long enough to get all my blowing done (30 minutes or so) on one battery and usually with some life left. Since I have 3, it would not really matter if I had to change out midway through, but it is real nice that I don't have to. In my 21" MO40L01 Push Mower, I was able to do 2/3 of my 15,000 sq-ft. yard (about 40 min) on one charge ... swapped out to a 2nd battery and had a half charge left when finished with the other 5000 ft. area.
Date published: 2018-08-22
Rated 5 out of 5 by from Great battery and great mower!! I bought my mower June 2013 at Lowes. It is extremely convenient and has never required any kind of maintenance. As I was living in upstate NY, it sat in a cold garage for about 7 months of each year. This spring I moved to Texas and the mower and batteries were shipped and packed into storage while I shopped for a house. When we pulled the mower out and charged the batteries 4 months later, it started right up. At first, I was concerned as my batteries did not seem to power the lawn mower for as long as they did previously. That is why I ordered an additional battery. However, once I had depleted and charged the original batteries a few times, they seemed to work better.
Date published: 2019-10-31
Rated 2 out of 5 by from Battery doesn't last Bought this battery less than 2 years ago-of course I threw away the receipt! At it's newest, it never held a charge for more than an hour, if that. Now, lucky if I can get 15 minutes at full charge! Just had to buy another since I can't afford to buy another whole lawnmower right now! Next time, I'm getting a gas mower!
Date published: 2018-07-10
Rated 5 out of 5 by from Longer Life I bought this battery about a month ago . Have used it a couple times so far and it last longer !! Needed that for my home landscaping use.
Date published: 2017-11-08
Rated 5 out of 5 by from The heart of all my tools keeps ticking along! Over the years I've bought several greenworks tools. So far the lawnmower, string trimmer and blower have all been just wonderful. Each came with a battery, so I have a ready backup no matter with tool I use. Now I'm waiting for other older tools to die so I can upgrade to greenworks!
Date published: 2018-08-12
Rated 2 out of 5 by from Wish it lasted longer. I've had mine for about a month. Bought it new and consistently getting 12-16 mins of cut time on the 21 inch mower. It takes me about 25 mins to cut my yard so unfortunately I'm having to cut, charge for an hour and finish the cut. Wished that I could get the advertised cut time.
Date published: 2019-07-28
Rated 4 out of 5 by from 40 VOLT BATTERY HOLDS CHARGE WELL. CHARGES QUICKLY. LASTS A LONG TIME.
Date published: 2018-08-21
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Is there a charger included with the 40v lithium battery or does that need to be purchased separately?

Asked by: Chuck323
Hello there, No, the charger is not included and must be purchased separately. The charger number is 29482 and can be ordered on our site or through our third party parts site here: https://greenworks.ordertree.com/
Answered by: GWT Customer Support
Date published: 2020-06-30

I have an 8” greenworks pole saw, 2302. What battery and charger should I buy for it?

Asked by: Chuck323
Hello Chuck323, A model number of your unit would help us to better advise. Please feel welcome to ask this question again with the model number of your unit. Battery & charger model number can also be found in the owners manual. It's worth noting, GreenWorks manufactures a range of voltage platforms from 24V - 80V, each voltage platform has its own set of interchangeable tools and battery but are not interchangeable across different voltage platforms.
Answered by: GW Customer Agent
Date published: 2020-06-29

I'm in need of a battery model number BAF724

Asked by: Dustin c s
Hello Dustin, This battery is currently out of stock. You can purchase the 5.0Ah battery here: https://www.greenworkstools.com/shop-by-tool/battery-chargers/5ah-battery
Answered by: GreenWorks Support
Date published: 2020-06-24

Why does my fully charged battery only last for 20 minutes?        

Asked by: Ronald38
Hello Ronald38, The runtime of a battery will depend on the tool and the load. If you would like to discuss your experience with the runtime from this battery in more detail, please contact us at 1-888-909-6757 or by email to info@greenworkstools.com. Please note we are currently experiencing delays due to COVID-19. We apologize for any inconvenience you may experience when contacting us.
Answered by: GreenWorks Support
Date published: 2020-06-23

Can I use the 40 volt 29472 battery with the 40 volt 24” hedge trimmer?

Asked by: BillMc
Hello there, Yes, as long as they're both from the GreenWorks G-Max 40v line.
Answered by: GreenWorks Support
Date published: 2020-06-19

I just bought a mower with this battery (29472). I'm really disappointed, but it takes more than one battery load to cut my tenth of an acre lawn. So I decided to get another battery and you're out of stock?

Asked by: Bob9999
Hello Bob9999, We're sorry for the inconvenience you've encountered while trying to find an additional battery. This battery is estimated to be available early July. Please feel welcome to check back with us then.
Answered by: GWT Customer Support
Date published: 2020-06-18

When will this battery be in stock again?

Asked by: Anonymous
Hello judedutcher, The battery and charger should be available in the next few weeks. Please feel welcome to check back then.
Answered by: GW Customer Agent
Date published: 2020-06-03

When will this battery and charger be available?

Asked by: Pumpkin
Hello Reggie59, The battery and charger should be available in the next few weeks. Please feel welcome to check back then.
Answered by: GWT Customer Support
Date published: 2020-05-27
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Amp Hours:
4Ah
Battery Warranty:
3 year
  • (1) 40V 4.0 Ah Battery
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