BLACK+DECKER 40V MAX* Replacement Battery (Compatible with 36V/40V Outdoor Tools)

This battery works perfectly with my 40V trimmer. It holds a charge well and lasts as long as the original. Much cheaper than buying a whole new tool. Very satisfied.

The battery performs well and charges quickly. It's a little heavier than the original, but that's not a big issue. Overall, a good replacement at a great price.

I was worried about compatibility, but it works flawlessly with my Black+Decker leaf blower. I've used it for a full season and it still holds a strong charge. Highly recommend this battery.

It does the job, but the runtime is shorter than my original battery. For the price, it's okay, but if you need long-lasting power, you might want to consider another option.

This battery is an exact match for my 40V hedge trimmer. It clicks in securely and provides ample power. I bought two and they both work great. Very happy with this purchase.

The battery works well, but it takes a few hours to fully charge. That's expected for a battery of this size. It gives enough power for my needs. Good value for the money.

I was excited about this battery, but it failed after just a month of light use. It won't charge properly. I'm disappointed and would not recommend.

I needed a spare battery for my trimmer and this one works fine. It lasts about 30 minutes on a full charge, which is enough for my yard. Good deal.