Amazon.com: Customer Reviews: Energizer A544BPZ Zero Mercury Battery - 1 Pack
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on July 26, 2014
If you are replacing the 544A battery in an Innotek dog collar you will find this battery to a little shorter in length. I had to add aluminum foil to the cap on the battery cover in order for the cap to make contact with the battery
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on May 8, 2014
I have a Nikon EL2 SLR camera from 1977-78 and this is the kind of battery that it uses. These kind of batteries used to be pretty common, but now that most digital cameras use rechargeable batteries, the throw away kind are harder to find. I ordered this from Amazon for about $5 and what else can I say? Its a battery and it works.

If you have a Nikon EL2, the battery is in an odd location. You have to remove the lens of the camera, then look inside, right beneath the mirror is a hatch that you can open with your finger. The battery is beneath the hatch. To get it out, turn the camera upside down and with your finger, gently push it to the side of the camera with the shutter release button until the battery falls out.

When inserting the new battery, make sure you observe polarity. The positive side of the battery faces AWAY from the side of the camera with the shutter release button. Looking at the camera from the front, this is to the RIGHT.

As with any film camera, if you don't plan on using the camera for a long period of time, remove the battery to prevent it from running down prematurely.
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on June 21, 2014
This is the exact battery for Canon F1 and A1. So far both machines worked very well with this battery.
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on January 15, 2015
Needed a new battery for my Canon AE-1 Program.
This was that battery.
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on February 21, 2014
Needed this size of battery which is hard to find at local stores. When I got this battery, it was fresh and works well. Better price here at amazon.com too instead of a local battery store.
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Battery arrived in package in new condition with good shelf life stamped on it. What can you say about a battery except it was the right one fully charged and arrived promptly?????
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on April 28, 2016
I was given an old Cannon AE-1, and was told it was broken. Works a lot better with the correct battery.
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on May 17, 2015
Best Battery ever for my no bark dog collar, lasts much much longer than the cheaper batteries!
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on April 12, 2014
11 month life left on battery - todays date is 04/11/2014 exp date on bat is 03/2015, for a dollar more you can buy at a store and a 5 year self life ====and not a less than a year life--- bad deal
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on November 2, 2014
Just what I could'nt find in my area so came to Amazon!!
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