The best one time use batteries I have found so far. I don't have too many battery operated devices in the house and these always seem to keep their full charge longer while in storage than many other batteries I have tried in the past to save a couple dollars. Energizer Max D Batteries, 4-Count
It's a name brand 9v battery, c'mon, does it really need a review?
With that, here's my review. :)
I use these for smoke/CO detectors and also in my alarm clock.
This four-pack is the best price I can find unless a local store is having a massive deal. The free shipping and lack of sales tax sinks the nail into the coffin. Further, I saved an additional 15% (bringing the price down to $8.49) by signing up to have these delivered every six months. After the order is placed, you can cancel the subscription if you so choose.
I use these in my single aaa battery powered trimmer (beard). I had been trying to use rayovac cheapos, but in the trimmer they would only work for a min and they would either stop or start pulling hair, and I would have to change the battery several time just for a single trim. So I bought the energizers on sale and they work great! A few trims now on the first battery and still going strong!
The Energizer batteries are often the best value for the price as these batteries tend to run longer than "discount" batteries. We have been using Energizer as our primary battery brand around our home for many years due to the consistent reliability.
One caveat - we've found these batteries tend to leak battery acid "easier" than the gold capped batteries if left in a device for any length of time after they have discharged. I almost lost a NOAA weather alert radio last fall due to Energizer batteries corroding into the battery compartment. - Duracell - Household Supplies - Alkaline Batteries - Battery'
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