2Packs 40 Volt 6.0Ah OP4040 Replacement for Ryobi 40V Lithium Battery OP4050A OP40601 OP4026A OP40601 OP4030

Do not buy these batteries, they are not what is advertised. I weight the ones I bought from Walmart and compared it to a ryobi battery of the same size that came with my tool. The Walmart batteries are only 2/3's the weight. This is because the Walmart batteries have less cells thus less amp hours. I believe they are 4 amps hours. Don't buy these if you need a long run time.

I have the 40V chain saw and weed eater, so having an extra battery lets me just plug and go! 1 battery at Home Depot is $199, these being 2 for $66 is a great buy. I haven't noticed any difference in run time or charge time from my original Ryobi battery's

I used this one time to mow my lawn and needed both batteries to complete the job previously done with one authentic Ryobi battery. One of the batteries would not recharge after one use. The second battery did recharge, but was only used for 5 minutes to finish. I'm not confident it would recharge if completely discharged like the first. Either way the first battery is useless after a single time.

Great battery for the price! The one thing I have noticed about these batteries is they don't last quite as long as the original battery but for the price of two well less than the cost of just one of the original battery it was worth the money saved.

Bought these because my original Ryobi battery is losing steam. These batteries are much lighter and last maybe 2/3 as long as the original. But two of these were cheaper than one Ryobi replacement battery. So if they last as long I will consider it slightly better than break even. Also the weight is helpful when using my Ryobi pole saw.

I bought these for future use figuring my current ones would start to deteriorate over time. So unfortunately I didn't use it right away. I decided to put it on a full charge and try it out. This battery is HORRIBLE and does not hold a charge. My other battery will do my entire lawn. This battery does about 1/4 and then dies. I thought maybe I didn't charge it properly so tried again. Same results. The battery is really not worth using. Stinks cause I am past the return period. Maybe I just received a couple of bad ones and it works for everyone else. I am past the return period so guess I'm out of luck. I don't give bad reviews..can't remember the last one I ever did.

Charge didn't last as long as original lawnmower batteries . Maybe lasted 3/4 of the time. But fit well and did well as a backup charge to finish my yard

It says 40 V but delivers only 36V. Which was not part of the ad. However, for the price and the fact that I can now mow my whole lawn without recharging the original RYOBI batteries, I am satisfied

It worked as Expected,. All features as new are great, but I can't vouch for longevity, which is normally a weak point in these batteries. If it has has a long life it would be a 5, but I just don't know yet.

This is a two battery pack. One of the batteries works well. The other will not charge. After the first depletion it has not responded to any attempt to recharge the battery. I was able to use the battery only one time.