DTK Replacement for Ryobi 40V Battery 6.6Ah OP4040 OP4026 OP4030 OP4050 OP4060A 40 Volt Cordless Tool Lithium ion Batteries 2 Packs
Condition: New
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$14.13
/ mo
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Wednesday, Aug 13
Color: 2 Packs
Features
- High PerformanceReplacement for Ryobi 40v battery| Battery type: Lithium-Ion | Voltage: 40V | Capacity: 6.6Ah.Adopt high quality battery cells with low internal resistance and high rate discharge to ensure batteries are efficiency and reliability,allows your cordless power tools working more powerful and longer.
- Large CapacityWith 6600mAh higher capacity the 40v replacement for Ryobi battery provides long-lasting performance and durability.6.6Ah battery gets 3X more runtime than the standard 2.0Ah battery, while no memory effect provides thousands of charges and discharges without loss of capacity.
- Wide CompatibilityDTK battery works with all 40v lithium-ion tools (string trimmer, lawn mower), including RY40200 RY40403 RY40204 RY40530 RY40460 RY40180 RY40250, compatible with original chargers,such as OP403A OP401 ZROP401 OP400A RY40440 etc.
- Perfectly Replace For 40V BatteryIdeal replacement battery for 40V battery OP4050A OP4015 OP4026 OP40201 OP40261 OP4030 OP40301 OP4040 OP40401 OP4050 OP40501 OP40601.the DTK 40v 6.6Ah battery worked just like the original ones,very easy to install and fits perfectly.
- Safe and ReliableDTK 40v battery have complied with CE, FCC, ROHS certified and standards, built-in over-charge, over-discharge, over-voltage, over-current, over-heating, and short-circuit protection. Three LED indicator light, allows users to conveniently monitor charge levels.Any question feel free to contact our customer service, we will do best to help you.
Number of Batteries: 2 Lithium Ion batteries required. (included)
Brand: DTK
Battery Cell Composition: Lithium Ion
Battery Capacity: 6600 Milliamp Hours
Recommended Uses For Product: Power Tool
Item Weight: 6.1 pounds
Item model number: OP4060
Batteries: 2 Lithium Ion batteries required. (included)
Date First Available: June 10, 2023
Manufacturer: Shenzhen Henglixinyuan Electronic Technology Co., Ltd
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Aug 13
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Color: 2 Packs
Fast delivery. Great replacement batteries for Ryobi chain saw and string trimmer. Work just as well as the much more expensive Ryobi brand name batteries. Would buy again.
Reviewed in the United States on July 14, 2025 by Jennifer Jenson
Color: 1 Pack
When I first used it, I was disappointed because I thought it was under powered, but then I remembered it takes several cycles before the Lipo battery reaches its full potential. After about four or five cycles now, it seems to be doing pretty good.
Reviewed in the United States on November 2, 2023 by Johnny Mac
Color: 2 Packs
These are clearly not 6.6Ah. They work, but not for very long. It runs for less time than the 6Ah from Ryobi. It is also much lighter and cheap so I'll give it 1 star for the false advertising.
Reviewed in the United States on June 11, 2025 by Amazon Customer
Color: 2 Packs
Purchased the 2 pack, charged them both fully when received (they were at least 75% charged when arrived) and they worked great on the first day for 2 charging cycles each. While 1 battery continued to be a great workhorse on day 2 of my project, the 2nd battery showed a charging error which I could not resolve so I am returning them and do plan to repurchase same. Seller has been helpful to get this resolved. Despite the return/exchange, they clearly lasted longer than the 4 Ahr OEM batteries I have and are a really good deal price wise. Given the support, I feel confident I just picked up a bad battery.
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Reviewed in the United States on June 11, 2024 by JMG
Color: 2 Packs
On my second year with these batteries, no noticable difference in performance or charging from original Ryobi batteries, but much less expensive.
Reviewed in the United States on July 28, 2025 by Amazon Customer
Color: 1 Pack
So far it is charging fast and holding the charge and the device is running strong. Very east or install it in the machine. We will see later how long it actually holds up.
Reviewed in the United States on June 26, 2025 by M M
Color: 2 Packs
This is a great price for 2 Ryobi batteries. They worked on my Ryobi Chargers and in each machine that requires this size battery. It doesn't quite last as long as an actual Ryobi battery, but for my lawn chores, it lasted till I was finished. For the price of 2 of them, I can work with one, charge the other, and replace. I think it's a great deal!
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Reviewed in the United States on July 31, 2025 by imstan
Color: 1 Pack
This battery was a disappointment in 2 different ways. First, it did not fully power the RYOBI electric motor so use of the leaf blower and grass trimmer attachments were not very powerful. Second, the battery duration did not last very long in comparison to the RYOBI battery product. The result was the same after I ran the batter down no charge and then I recharged it. I repeated this approach -- a second time -- and the result was the same. I do not recommend this product.
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Reviewed in the United States on November 27, 2023 by Jaime Garza