Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline £1.49
Rechargeable £1.99

Are rechargeable's NOT to be used in Smoke Alarms.

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

(paul wrote:
Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline ?1.49
Rechargeable ?1.99

Are rechargeable's NOT to be used in Smoke Alarms.

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

Personally - I got http://www.ebuyer.com/UK/product/100809 - and keep
the spares in the fridge.
These will be fine for a smoke alarm - and have a 4 fold or so longer
shelf life in the fridge.

Rechargables are not especially good in low drain applications.

On Thu, 28 Dec 2006 17:21:18 GMT, (Paul S)
wrote:

Are rechargeable's NOT to be used in Smoke Alarms

They should not be used because they have a high self discharge rate
and would need to be recharged every month or so. It's also not
possible to get 9V out of a NiMH or NiCd, it will be 8.4 or 9.6V
depending upon manufacturer and this can affect the low voltage
sensor circuit.
--
Peter Parry.
http://www.wpp.ltd.uk/

In article ,
Paul S (Paul wrote:
Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline £1.49
Rechargeable £1.99

Are rechargeable's NOT to be used in Smoke Alarms.

Not recommended as they self discharge too quickly.

--
*Time flies like an arrow. Fruit flies like a banana.*

Dave Plowman London SW
To e-mail, change noise into sound.

On Thu, 28 Dec 2006 17:21:18 GMT, (Paul S) wrote:

|Need a new battery (PP3) and saw in Aldi, a choice of;
|
|Alkaline ?1.49
|Rechargeable ?1.99
|
|Are rechargeable's NOT to be used in Smoke Alarms.

IME rechargeable's *work* just fine in smoke alarms, however they do not
last anything like as long as cheap Lidl alkalines in smoke alarms.
--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.

Dave Fawthrop wrote:

On Thu, 28 Dec 2006 17:21:18 GMT, (Paul S) wrote:

|Need a new battery (PP3) and saw in Aldi, a choice of;
|
|Alkaline ?1.49
|Rechargeable ?1.99
|
|Are rechargeable's NOT to be used in Smoke Alarms.

IME rechargeable's *work* just fine in smoke alarms, however they do not
last anything like as long as cheap Lidl alkalines in smoke alarms.
--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.

Thanks everyone.

Dave,
How much are Lidl's PP3 Alkalines ?

In uk.d-i-y, Paul S wrote:
Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline £1.49
Rechargeable £1.99

Are rechargeable's NOT to be used in Smoke Alarms.

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

Personally I find the nuisance of being woken in the middle of the night
by a failing battery more of a problem than the cost of a new one. So I
go for the 10-year lithium battery type of detector (£14.18 from CPC).

--
Mike Barnes

Mike Barnes wrote:

Personally I find the nuisance of being woken in the middle of the night
by a failing battery more of a problem than the cost of a new one. So I
go for the 10-year lithium battery type of detector (£14.18 from CPC).

I came to the same conclusion but was surprised to find that when I got
a lithium 9v battery ( can't remember the brand now, but there aren't
many ) it wouldn't fit. When I compared it to a Duracell, it was
scarcely one mm or so bigger.

In most equipment that wouldn't have mattered, but with this particular
device it couldn't be made to fit because the tolerances were too tight.

"Paul S" wrote in message
...
Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline £1.49
Rechargeable £1.99

Are rechargeable's NOT to be used in Smoke Alarms.


Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

I have 3 smoke alarms bought from Screwfix. I use good alkaline batteries
(not Duracell), and find that they last little more than 1 year. If
Duracell's "blurb" is genuine, their batteries still won't last more than 18
months.
Perhaps other smoke alarms are more economical?
I buy my batteries from Poundland; they sell Mitsubishi, Hyundai, Maxell,
etc... Such batteries have now a 5 year shelf life.
£1.00 buys a pack of 4.

Sylvain.

On Thu, 28 Dec 2006 23:09:13 UTC, "Sylvain VAN DER WALDE"
wrote:

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

I have 3 smoke alarms bought from Screwfix. I use good alkaline batteries
(not Duracell), and find that they last little more than 1 year. If
Duracell's "blurb" is genuine, their batteries still won't last more than 18
months.
Perhaps other smoke alarms are more economical?

I don't want my smoke alarm to be economical as much as I want it to
work! Duracell ProCells are about a pound each, and I change them once a
year; old tip, change them on your birthday and then you can be fairly
sure it's done.

--
The information contained in this post is copyright the
poster, and specifically may not be published in, or used by
http://www.diybanter.com

On 29 Dec 2006 00:11:05 GMT, "Bob Eager" wrote:

I don't want my smoke alarm to be economical as much as I want it to
work! Duracell ProCells are about a pound each, and I change them once a
year; old tip, change them on your birthday and then you can be fairly
sure it's done.

Those born on the 29th February and following your advice are well and
truly knackered though


--

"Bob Eager" wrote in message
...
On Thu, 28 Dec 2006 23:09:13 UTC, "Sylvain VAN DER WALDE"
wrote:

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

I have 3 smoke alarms bought from Screwfix. I use good alkaline batteries
(not Duracell), and find that they last little more than 1 year. If
Duracell's "blurb" is genuine, their batteries still won't last more than
18
months.
Perhaps other smoke alarms are more economical?

I don't want my smoke alarm to be economical as much as I want it to
work! Duracell ProCells are about a pound each, and I change them once a
year; old tip, change them on your birthday and then you can be fairly
sure it's done.

Use more than one smoke alarm and change them at different times of the
year.
You don't want them all going flat at the same time.

On Fri, 29 Dec 2006 16:47:43 -0000, "dennis@home"
wrote:

|
|"Bob Eager" wrote in message
...
| On Thu, 28 Dec 2006 23:09:13 UTC, "Sylvain VAN DER WALDE"
| wrote:
|
| Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
| smoke alarm, and might be cheapest in the long run. Opinions ?
|
| I have 3 smoke alarms bought from Screwfix. I use good alkaline batteries
| (not Duracell), and find that they last little more than 1 year. If
| Duracell's "blurb" is genuine, their batteries still won't last more than
| 18
| months.
| Perhaps other smoke alarms are more economical?
|
| I don't want my smoke alarm to be economical as much as I want it to
| work! Duracell ProCells are about a pound each, and I change them once a
| year; old tip, change them on your birthday and then you can be fairly
| sure it's done.
|
|Use more than one smoke alarm and change them at different times of the
|year.
|You don't want them all going flat at the same time.

They have an irritating beep when the battery is nearly flat.
Also I check mine every time the local BBC news says "if this house had
been fitted with smoke alarms ??? people would not have died. I also have
a stock of at least one PP9 battery.

--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.

In article ,
Mike Barnes writes:
In uk.d-i-y, Paul S wrote:
Need a new battery (PP3) and saw in Aldi, a choice of;

Alkaline £1.49
Rechargeable £1.99

Are rechargeable's NOT to be used in Smoke Alarms.

Also, read somewhere that a Duracell Ultra PP3 will last 4 years in a
smoke alarm, and might be cheapest in the long run. Opinions ?

Personally I find the nuisance of being woken in the middle of the night
by a failing battery more of a problem than the cost of a new one. So I
go for the 10-year lithium battery type of detector (£14.18 from CPC).

I run mine each through one of these from the 12V alarm supply:
http://cpc.farnell.com/jsp/endecaSea...sp?sku=SR00543
which I just noticed is no longer stocked, although you might find
it somewhere else. Also has a set of relay contacts which you can
connect up to one of the alarm zones.

--
Andrew Gabriel

"Dave Fawthrop" wrote in message
...
On Fri, 29 Dec 2006 16:47:43 -0000, "dennis@home"
wrote:

|
|"Bob Eager" wrote in message
...
| On Thu, 28 Dec 2006 23:09:13 UTC, "Sylvain VAN DER WALDE"
| wrote:
|
| Also, read somewhere that a Duracell Ultra PP3 will last 4 years in
a
| smoke alarm, and might be cheapest in the long run. Opinions ?
|
| I have 3 smoke alarms bought from Screwfix. I use good alkaline
batteries
| (not Duracell), and find that they last little more than 1 year. If
| Duracell's "blurb" is genuine, their batteries still won't last more
than
| 18
| months.
| Perhaps other smoke alarms are more economical?
|
| I don't want my smoke alarm to be economical as much as I want it to
| work! Duracell ProCells are about a pound each, and I change them once
a
| year; old tip, change them on your birthday and then you can be fairly
| sure it's done.
|
|Use more than one smoke alarm and change them at different times of the
|year.
|You don't want them all going flat at the same time.

They have an irritating beep when the battery is nearly flat.

A damn nuisance, but a very essential one.

Also I check mine every time the local BBC news says "if this house had
been fitted with smoke alarms ??? people would not have died.

Why are so many people so damn stupid. Why won't they spend a little time
and money on something that may one day save their lives?

I also have a stock of at least one PP9 battery.

--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.

In article ,
Dave Fawthrop wrote:
| I don't want my smoke alarm to be economical as much as I want it to
| work! Duracell ProCells are about a pound each, and I change them
| once a year; old tip, change them on your birthday and then you can
| be fairly sure it's done.
|
|Use more than one smoke alarm and change them at different times of the
| year. You don't want them all going flat at the same time.

They have an irritating beep when the battery is nearly flat. Also I
check mine every time the local BBC news says "if this house had been
fitted with smoke alarms ??? people would not have died. I also have a
stock of at least one PP9 battery.

And a hammer to make it fit?

--
*Why is the time of day with the slowest traffic called rush hour?

Dave Plowman London SW
To e-mail, change noise into sound.

On Fri, 29 Dec 2006 19:40:36 +0000 (GMT), "Dave Plowman (News)"
wrote:

|In article ,
| Dave Fawthrop wrote:
| | I don't want my smoke alarm to be economical as much as I want it to
| | work! Duracell ProCells are about a pound each, and I change them
| | once a year; old tip, change them on your birthday and then you can
| | be fairly sure it's done.
| |
| |Use more than one smoke alarm and change them at different times of the
| | year. You don't want them all going flat at the same time.
|
| They have an irritating beep when the battery is nearly flat. Also I
| check mine every time the local BBC news says "if this house had been
| fitted with smoke alarms ??? people would not have died. I also have a
| stock of at least one PP9 battery.
|
|And a hammer to make it fit?

Que? My three all run on PP9s no problems.
--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.

On Fri, 29 Dec 2006 16:47:43 UTC, "dennis@home"
wrote:

I don't want my smoke alarm to be economical as much as I want it to
work! Duracell ProCells are about a pound each, and I change them once a
year; old tip, change them on your birthday and then you can be fairly
sure it's done.

Use more than one smoke alarm and change them at different times of the
year.
You don't want them all going flat at the same time.

Agreed. I use batteries with a rated life well in excess of a year. It's
worth it.

(every smoke alarm is important, even if I do use more than one)

--
The information contained in this post is copyright the
poster, and specifically may not be published in, or used by
http://www.diybanter.com

On Fri, 29 Dec 2006 20:16:59 UTC, Dave Fawthrop
wrote:

Que? My three all run on PP9s no problems.

Doesn't the battery weight pull them off the ceiling? :-)
--
The information contained in this post is copyright the
poster, and specifically may not be published in, or used by
http://www.diybanter.com

In uk.d-i-y, Dave Fawthrop wrote:
On Fri, 29 Dec 2006 19:40:36 +0000 (GMT), "Dave Plowman (News)"
wrote:

|In article ,
| Dave Fawthrop wrote:
| | I don't want my smoke alarm to be economical as much as I want it to
| | work! Duracell ProCells are about a pound each, and I change them
| | once a year; old tip, change them on your birthday and then you can
| | be fairly sure it's done.
| |
| |Use more than one smoke alarm and change them at different times of the
| | year. You don't want them all going flat at the same time.
|
| They have an irritating beep when the battery is nearly flat. Also I
| check mine every time the local BBC news says "if this house had been
| fitted with smoke alarms ??? people would not have died. I also have a
| stock of at least one PP9 battery.
|
|And a hammer to make it fit?

Que? My three all run on PP9s no problems.

http://www.smallbattery.company.org.uk/sbc_pp9.htm

--
Mike Barnes

In article ,
Dave Fawthrop wrote:
| They have an irritating beep when the battery is nearly flat. Also I
| check mine every time the local BBC news says "if this house had been
| fitted with smoke alarms ??? people would not have died. I also have a
| stock of at least one PP9 battery.
|
|And a hammer to make it fit?

Que? My three all run on PP9s no problems.

I presume you mean a PP3? A PP9 is the 'half brick' sized type once common
on portable radios. It would be silly for smoke alarm use as it would just
last its shelf life.

--
*Born free - taxed to death *

Dave Plowman London SW
To e-mail, change noise into sound.