10 Best Ryobi Battery 40v 2026 in the United States

The RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer is a versatile garden tool that stands out for its compatibility with various attachments, enabling users to save time and space. The 4.0 Ah battery ensures decent run time and is a significant strength, along with the included 90-minute charger, which is fairly quick in recharging the battery.

The adjustable cutting width from 13 to 15 inches is another highlight, offering flexibility based on the task at hand. The variable speed trigger is a useful feature for controlling cutting speed, and the Reel-easy bump-feed string head simplifies reloading of the string, enhancing user convenience. Weighing 13.77 pounds, it is relatively easy to handle for a battery-powered trimmer. However, its weight could be a drawback for some users, particularly during extended use.

The requirement for assembly might also be a slight inconvenience for those who prefer ready-to-use tools. This trimmer is best suited for users seeking a reliable and versatile tool for their yard that can handle various tasks through attachment capabilities, particularly those who appreciate the convenience of cordless operation.

The Ryobi 40V 4.0 Ah Lithium-Ion Battery OP4040 is an excellent choice for users seeking reliability and performance in their outdoor cordless tools. With a 4.0Ah capacity, it provides impressive runtime, allowing you to work longer without constantly needing to recharge. This battery is specifically designed for compatibility with a range of Ryobi's 40V tool models, making it a versatile option for those already invested in the Ryobi ecosystem. Many users appreciate that it is lighter and offers better performance compared to traditional NiCD batteries, which can reduce fatigue during extended use, making it a user-friendly choice.

On the downside, this battery does not come with a charger, meaning you'll need to purchase a compatible charger separately if you don't already own one. Additionally, while its weight is a strength, some users may still find it a bit heavy after prolonged use, especially compared to smaller batteries. It's worth noting that while the battery has decent durability, warranties can vary, so checking the specific terms before purchase is advisable.

The Ryobi 40V OP4040 battery is a strong option for those needing a dependable power source for their Ryobi tools, but potential buyers should be aware of its compatibility requirements and the need for a separate charger.

The RYOBI 16-inch 40-Volt brushless cordless chainsaw is a solid choice for homeowners or hobbyists looking for a lightweight and easy-to-use tool. Weighing about 11.4 pounds, it’s lighter than many gas-powered chainsaws, making it easier to handle during tasks like trimming trees or cutting firewood. The 40-volt battery system offers decent power with a 1.2 horsepower motor, which should be enough for medium-duty cutting jobs. However, the product is sold as 'tool only,' so you will need to buy the battery and charger separately, which adds to the initial cost. Ryobi’s 40V batteries usually provide good runtime and reasonable charging speed, especially if you already own compatible batteries from other Ryobi tools.

This chainsaw features a 16-inch chain length, a common size that balances cutting capacity and control for everyday yard work. Durability appears reliable, supported by positive customer reviews averaging 4.4 out of 5 stars, though it’s best suited for occasional use rather than heavy professional logging. Ryobi typically offers standard coverage for their power tools, which offers some peace of mind.

If you’re looking for a quieter, low-maintenance alternative to gas chainsaws and already have or plan to invest in Ryobi 40V batteries, this model can be a convenient and efficient option. Just be prepared for the extra purchase of batteries and charger if this is your first Ryobi cordless tool.