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Back up batteries


 
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guido
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Joined: 09 Aug 2007
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PostPosted: Wed Jan 15, 2020 3:30 pm    Post subject: Back up batteries Reply to specific post Reply with quote

Hello,

They are the best I ever used! 20 year shelf life, and rated from 140* F. To -40* F. They are hot though @1.8 volts.

I use them on a power shade, and outlast all others I have tried by at lesst 50%,

Guido.

 
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Steve@Advance
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PostPosted: Wed Jan 15, 2020 5:51 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

That's what I use for the memory back up batteries on the CNC lathes at work.

The original batteries were special and expensive. I found some 4 battery AA holders on Ebay, they even had the correct pigtail harness plug.

They last several years, never had one leak.
 
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Janicholson
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Joined: 30 Jan 2004
Posts: 33218
Location: St. Cloud, MN

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PostPosted: Wed Jan 15, 2020 6:15 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

great batteries. Use the unless I am in a pinch. Jim
 
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spacecadet9
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Joined: 10 Sep 2011
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PostPosted: Wed Jan 15, 2020 6:56 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

What I like about those batteries is they work in the cold, as you mentioned. Outdoor wireless thermometer, trail cam, glove box flash light, etc.. I wish there was a C size also. I ordered a 24 pack from Woot and they were less than alkalines from Wally World.

The other plus is there heavy use life.
 
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Charles in Aus.
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Joined: 16 May 2011
Posts: 2413
Location: Victoria , Australia

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PostPosted: Wed Jan 15, 2020 11:31 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote


With a shelf life like that Guido they would be ideal for keypads in small solenoid operated safe doors . No real chance of being caught out by flat batteries and no back up key Embarassed BTDT.
 
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Fawteen
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Joined: 23 Aug 2001
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PostPosted: Thu Jan 16, 2020 3:13 am    Post subject: Re: Back up batteries Reply to specific post Reply with quote

I put a set in a game camera and they've been in there 4-5 years at least. Don't use the camera a lot, but still.

Popped them out and checked the voltage a month or so ago and they're still 1.6xx each. Pretty impressive.
 
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Ken Macfarlane
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Joined: 21 Jul 2004
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PostPosted: Thu Jan 16, 2020 3:49 am    Post subject: Re: Back up batteries Reply to specific post Reply with quote

Most of those small safes are pretty easily opened without the
batteries. Check out lockpicking lawyer on YouTube.
 
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guido
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PostPosted: Thu Jan 16, 2020 5:04 am    Post subject: Re: Back up batteries Reply to specific post Reply with quote

Hello spacecadet9,

They make c and d size shells-adapters that take aa batterues. At
keast they did, chech the interweb. They may stillbd a availeable,

Guido.
 
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guido
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PostPosted: Thu Jan 16, 2020 1:01 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

Hello spacecadet9,

They still make the adapters. Found these on Amazon,

Guido.

 
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Charles in Aus.
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Location: Victoria , Australia

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PostPosted: Thu Jan 16, 2020 2:18 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

Yes they are Ken , it's dreadful how people are lulled into a false sense of security. I used his process to open it when the batteries failed.
I use mine to keep poisons locked up securely in my shed . If a thief opens it they are welcome to have a drink on me Arrow Shocked
 
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spacecadet9
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PostPosted: Thu Jan 16, 2020 8:49 pm    Post subject: Re: Back up batteries Reply to specific post Reply with quote

CVPost-Guido wrote:
(quoted from post at 16:01:01 01/16/20) Hello spacecadet9,

They still make the adapters. Found these on Amazon,
I'm aware of the adapters, but a C size should have a higher mAH rating.
 
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guido
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PostPosted: Fri Jan 17, 2020 7:34 am    Post subject: Re: Back up batteries Reply to specific post Reply with quote

Bello spacecadet9,

The adapter is more of a conviniance. No AA BATTERY has more Mah
then a C size battety, if i recall correctly C size alkaline
capacity is about 8000 Mah,

Guido.
 
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