[Amazon.ca] Energizer L522BP Energizer Ultimate Lithium 9V Battery $ 5.97

Apr 20th, 2021 3:09 pm

#1

Rooster [OP]: Deal Addict; Apr 10, 2005; 2483 posts; 633 upvotes

Apr 20th, 2021 3:09 pm

[Amazon.ca] Energizer L522BP Energizer Ultimate Lithium 9V Battery $ 5.97

Deal Link:: https://www.amazon.ca/Energizer-Ultimat ... mp;sr=8-13
Price:: 5.97
Retailer:: Amazon.ca

https://www.amazon.ca/Energizer-Ultimat ... 23&sr=8-13

For those that know about this battery, there is no need to explain.

About this item
1-Pack of energizer ultimate lithium 9v batteries
Our longest-lasting 9v battery
Powers your most critical devices—ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games
Holds power up to 10 years in storage for trustworthy backup energy, so you’re always prepared
Performs in extreme temperatures, from -40f to 140° f, for year-round, indoor and outdoor use

King of the farm

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Apr 20th, 2021 3:15 pm

#2

alpovs: Deal Fanatic; Sep 16, 2013; 6226 posts; 4096 upvotes; SW ON

Apr 20th, 2021 3:15 pm

It's been at this price since February.
https://forums.redflagdeals.com/amazon-ca-energizer-ultimate-lithium-9v-battery-5-97-2444148/
Even though that thread expired the price stayed the same. I bought it several times for this price between now and then.

Apr 20th, 2021 3:20 pm

#3

Rooster [OP]: Deal Addict; Apr 10, 2005; 2483 posts; 633 upvotes

Apr 20th, 2021 3:20 pm

alpovs wrote: ↑ It's been at this price since February.
https://forums.redflagdeals.com/amazon-ca-energizer-ultimate-lithium-9v-battery-5-97-2444148/
Even though that thread expired the price stayed the same. I bought it several times for this price between now and then.

Actually, it's been off and on. I was looking for it last week and it wasn't available. but yes, its like the last. I guess you can say new-repost.

King of the farm

Apr 20th, 2021 3:26 pm

#4

alpovs: Deal Fanatic; Sep 16, 2013; 6226 posts; 4096 upvotes; SW ON

Apr 20th, 2021 3:26 pm

I wonder if it's new regular price.

Apr 20th, 2021 3:29 pm

#5

redkulat: Deal Addict; Feb 1, 2009; 4041 posts; 3544 upvotes; Ajax

Apr 20th, 2021 3:29 pm

alpovs wrote: ↑ I wonder if it's new regular price.

I believe they're clearing stock from 2020 still

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Apr 20th, 2021 3:36 pm

#6

alpovs: Deal Fanatic; Sep 16, 2013; 6226 posts; 4096 upvotes; SW ON

Apr 20th, 2021 3:36 pm

redkulat wrote: ↑ I believe they're clearing stock from 2020 still

It has 10 year shelf life. It's hardly a clearance.

Apr 20th, 2021 3:43 pm

#7

redkulat: Deal Addict; Feb 1, 2009; 4041 posts; 3544 upvotes; Ajax

Apr 20th, 2021 3:43 pm

alpovs wrote: ↑ It has 10 year shelf life. It's hardly a clearance.

Thats my point, they are advertised as 10 year shelf life and expire in 2030.

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Apr 20th, 2021 3:47 pm

#8

I RFD: Deal Addict; Oct 7, 2008; 2164 posts; 1127 upvotes; Home

Apr 20th, 2021 3:47 pm

It would be great if they were rechargeable.

Apr 20th, 2021 3:52 pm

#9

hightech: Deal Expert; Dec 23, 2003; 16386 posts; 4887 upvotes; Toronto

Apr 20th, 2021 3:52 pm

One thing to keep in mind is that Lithium battery power levels drop very quickly when the battery is getting weak. This is unlike Alkaline batteries that have a more gradual curve. As a result, this is NOT recommended for smoke/carbon monoxide alarms or any electrical devices that provide a warning chirp when the battery is getting weak. The nagging chirp is important to make sure you replace the battery. With a Lithium battery, you might hear the chirp a few times and after that the device is dead which will give you a false sense of security.

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+8

Apr 20th, 2021 5:59 pm

#10

alpovs: Deal Fanatic; Sep 16, 2013; 6226 posts; 4096 upvotes; SW ON

Apr 20th, 2021 5:59 pm

hightech wrote: ↑ One thing to keep in mind is that Lithium battery power levels drop very quickly when the battery is getting weak. This is unlike Alkaline batteries that have a more gradual curve. As a result, this is NOT recommended for smoke/carbon monoxide alarms or any electrical devices that provide a warning chirp when the battery is getting weak. The nagging chirp is important to make sure you replace the battery. With a Lithium battery, you might hear the chirp a few times and after that the device is dead which will give you a false sense of security.

This battery will outlast a smoke alarm. You would need to replace a smoke alarm before the battery goes dead. Some smoke alarms are now sold sealed with batteries like this (in a different shape maybe). Smoke alarms have expiration dates and I believe they chirp when this date comes.

+2

Apr 20th, 2021 6:03 pm

#11

alpovs: Deal Fanatic; Sep 16, 2013; 6226 posts; 4096 upvotes; SW ON

Apr 20th, 2021 6:03 pm

redkulat wrote: ↑ Thats my point, they are advertised as 10 year shelf life and expire in 2030.

I don't understand your point. Stuff can be sold before the expiration date. So these can be sold for 9 years from now. Shelf life is not usage life. So, these can be used in 10 years after manufacture and still last for as long as they last after 10 years on the shelf. People buy things to use, not to store them for 10 years before use.

Apr 20th, 2021 6:23 pm

#12

RoyF482: Banned; Aug 28, 2013; 780 posts; 513 upvotes; Richmond Hill

Apr 20th, 2021 6:23 pm

Cute bunny

+1

Apr 21st, 2021 3:06 pm

#13

Rooster [OP]: Deal Addict; Apr 10, 2005; 2483 posts; 633 upvotes

Apr 21st, 2021 3:06 pm

Smoke alarm is what I buy this for. It save me from climbing up there to change it ever year. Even though might only get 5 years out of it, I'm good with that. How much is the regular alkaline cost already? take that and lets say multiply it by 5. I'm just using 5 years as a minimum life span and never mind about the 10 years.

King of the farm

+1

Apr 21st, 2021 5:34 pm

#14

qfli78: Deal Addict; Sep 5, 2019; 1575 posts; 9090 upvotes

Apr 21st, 2021 5:34 pm

alpovs wrote: ↑ This battery will outlast a smoke alarm. You would need to replace a smoke alarm before the battery goes dead. Some smoke alarms are now sold sealed with batteries like this (in a different shape maybe). Smoke alarms have expiration dates and I believe they chirp when this date comes.

What is the basis of this? I would think this depends on the power consumption of the smoke alarm. Usually the battery of smoke alarm is recommended to be replaced twice a year.

Apr 21st, 2021 6:26 pm

#15

flame02: Deal Addict; Oct 20, 2004; 3595 posts; 639 upvotes; Toronto

Apr 21st, 2021 6:26 pm

LOL @ the open box batteries

+1

Apr 21st, 2021 6:40 pm

#16

warpdrive: Deal Expert; Mar 6, 2003; 17325 posts; 9515 upvotes; Ottawa

Apr 21st, 2021 6:40 pm

redkulat wrote: ↑ Thats my point, they are advertised as 10 year shelf life and expire in 2030.

Shelf life just means how long you can store them before you should start using them. Basically by 2030, the battery is not guaranteed to have 100% capacity. So even if you start using it at 2030, it may still have 90% of its rated capacity.

These lithium batteries are very hardy. Somebody measured a set after 15 years and they were basically as good as new.

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+1

Apr 21st, 2021 6:46 pm

#17

AMD: Deal Addict; Jul 23, 2004; 2228 posts; 747 upvotes; Montreal

Apr 21st, 2021 6:46 pm

Rooster wrote: ↑ Smoke alarm is what I buy this for. It save me from climbing up there to change it ever year. Even though might only get 5 years out of it, I'm good with that. How much is the regular alkaline cost already? take that and lets say multiply it by 5. I'm just using 5 years as a minimum life span and never mind about the 10 years.

I started buying those : https://www.canac.ca/en/10-year-battery ... arm-107973
Comes with a built-in lithium battery and will last 10 years without maintenance.

+2

Apr 22nd, 2021 9:42 am

#18

Rooster [OP]: Deal Addict; Apr 10, 2005; 2483 posts; 633 upvotes

Apr 22nd, 2021 9:42 am

AMD wrote: ↑ I started buying those : https://www.canac.ca/en/10-year-battery ... arm-107973
Comes with a built-in lithium battery and will last 10 years without maintenance.

FYI, this is only a smoke alarm, It doesn't have carbon monoxide detection.

King of the farm

Apr 22nd, 2021 7:28 pm

#19

AMD: Deal Addict; Jul 23, 2004; 2228 posts; 747 upvotes; Montreal

Apr 22nd, 2021 7:28 pm

Rooster wrote: ↑ FYI, this is only a smoke alarm, It doesn't have carbon monoxide detection.

Which is fine by me. I don't have gas appliances and my car is electric!