40V 4AH Lithium-ion Battery

Model: #OP4040A1

4.7 | 656 Reviews
Compatible with all RYOBI 40V Lithium tools and chargers, the 40V 4.0 AH Lithium-ion Battery is the perfect addition to your RYOBI 40V tool collection. It's lithium-ion cells deliver fade-free performance from start to finish. The convenient on-board battery life indicator keeps you informed while you're out in the yard tackling your landscaping jobs. The 40V 4.0 AH Lithium-ion Battery's extra cell capacity is perfect for higher output tools like 40V mowers, blowers and chain saws. RYOBI 40V Lithium surrenders nothing but gas.

Features

Ryobi three year warranty logo

This product is covered by a 3-year limited warranty.

The RYOBI 40V System features over 50 products, providing versatility to get the job done.

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Specifications

  • Voltage: 40
  • Amp Hours: 4.0
  • Cell Type: Lithium-ion
  • Compatibility: All RYOBI 40V Lithium Tools & Chargers
  • Weight: 4 lbs.
  • Warranty: 3 Year Limited

Includes

  • 40V 4.0 AH Lithium-ion Battery
  • Operator's Manual

Reviews

40V 4AH Lithium-ion Battery
40V 4AH BATTERY is rated 4.7 out of 5 by 653.
Rated 4 out of 5 by from Long operating time Very satisfied with the battery run time for normal lawn care jobs
Date published: 2023-02-27
Rated 5 out of 5 by from Crazy power! I purchased this for my cultivator and it has gas like power. Extremely impressed
Date published: 2023-02-26
Rated 5 out of 5 by from Tiny (power) house I have a 4.0 and 2.6 for a leaf blower and they do the whole yard, needing a recharge only after I finish. Absolutely perfect. Easy to use. Easy to charge. Love the remaining charge indicator.
Date published: 2023-02-21
Rated 5 out of 5 by from Works great I use this on several tools and it’s a good balance of power and price.
Date published: 2023-02-09
Rated 5 out of 5 by from Longevity Bought to replace old battery and this one is even better
Date published: 2023-02-06
Rated 5 out of 5 by from Works great Went out to cut some branches had no problems worked great
Date published: 2023-02-05
Rated 5 out of 5 by from User friendly Very happy easy use me being a woman weed eater blower and vac
Date published: 2023-01-25
Rated 2 out of 5 by from Unreliable battery life Battery damages very quickly. I have two Ryobi equipments that use this 40v battery and had to ask for warranty on both batteries with less tha than 20 hours of use.
Date published: 2023-01-22
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