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Lithium batteries not recommended?

T

[email protected]

Jan 1, 1970
0
Just purchased a Sony Cybershot DSC-H1 digital camera.
It came with 2 NIMH AA batteries. The manual says...

You can not use lithium batteries. I have always used non
rechargeable lithium AA's for emergency back ups. Why
doesn't Sony want these batteries used?
 
J

Jerry G.

Jan 1, 1970
0
There are a number of issues that may be prevalent with the unit that you
have. This has to do with its design.

The default under load voltage may not be able to be properly matched in the
size type that it uses.
There may be an issue with the current source capability of the batteries in
the size type that it uses.
There may be an issue with any type of built in charger that your unit may
use.

If lithium batteries are not properly used, and or charged, there can also
be safety issues. It is best to follow the instructions from the
manufacture, if you want to have good product reliability, performance, and
safety. A good advice is to follow the instructions from the manufacture.

--

Jerry G.
======


Just purchased a Sony Cybershot DSC-H1 digital camera.
It came with 2 NIMH AA batteries. The manual says...

You can not use lithium batteries. I have always used non
rechargeable lithium AA's for emergency back ups. Why
doesn't Sony want these batteries used?
 
T

[email protected]

Jan 1, 1970
0
There are a number of issues that may be prevalent with the unit that you
have. This has to do with its design.

The default under load voltage may not be able to be properly matched in the
size type that it uses.
There may be an issue with the current source capability of the batteries in
the size type that it uses.
There may be an issue with any type of built in charger that your unit may
use.
Click to expand...

No built in charger
If lithium batteries are not properly used, and or charged, there can also
be safety issues. It is best to follow the instructions from the
manufacture, if you want to have good product reliability, performance, and
safety. A good advice is to follow the instructions from the manufacture.
Click to expand...

If it's a recharging issue I can eliminate that issue because I am
aware of it. Shouldn't the slightly higher voltage of the lithium's
be ok if the camera has a voltage regulator?
 
S

sofie

Jan 1, 1970
0
tnom:
The reply from Jerry G. has some very good points that pertinent to your
question.
I suggest that you should take your argument directly to SONY ..... they
made the statement in their manual for a good reason, all we can do is
conjecture, and if wrong, could damage your new, shiny camera.
Sony's website has a very good customer support link along with FAQ's that
may answer your question directly from the horse's mouth.
 
R

Ralph Mowery

Jan 1, 1970
0
Just purchased a Sony Cybershot DSC-H1 digital camera.
It came with 2 NIMH AA batteries. The manual says...

You can not use lithium batteries. I have always used non
rechargeable lithium AA's for emergency back ups. Why
doesn't Sony want these batteries used?
Click to expand...

Most digital cams need a short pulse of high current from the batteries. I
have not looked at the curves of the lithiums but suspect they will not
give the high current. Many times the standard nonrechargables will not
give many shots either.
 
J

Jim Adney

Jan 1, 1970
0
If it's a recharging issue I can eliminate that issue because I am
aware of it. Shouldn't the slightly higher voltage of the lithium's
be ok if the camera has a voltage regulator?
Click to expand...

The lithium cell has twice the voltage of a NiCad or NiMH. Unless they
designed the circuit to work with that overvoltage, I'd expect it to
give problems.

My Olympus camera will work with either, but we're supposed to use a
special lithium cell that is shaped like 2 AA cells side-by-side. I
haven't bought any of those, but I'd be willing to bet that this is
just a clever way to use one 3V cell in place of 2 1.5V cells.

-
 
H

H. Dziardziel

Jan 1, 1970
0
Most digital cams need a short pulse of high current from the batteries. I
have not looked at the curves of the lithiums but suspect they will not
give the high current. Many times the standard nonrechargables will not
give many shots either.
Click to expand...

The manual from Sony's site page 98 where it lists what types of
cells should not be used, says "we cannot gurantee full
performance of the camera by property of the bartteries, such as
brownout of the batteries" .

Energizer's L91 AAs can supply 2 sec 3A pulses and continuous
2A which although, not as high as good NiMH would appear to be
well over any typical camera needs but this one may be a real
hog?.
 
R

Ralph Mowery

Jan 1, 1970
0
Just purchased a Sony Cybershot DSC-H1 digital camera.
It came with 2 NIMH AA batteries. The manual says...

You can not use lithium batteries. I have always used non
rechargeable lithium AA's for emergency back ups. Why
doesn't Sony want these batteries used?
Click to expand...

One other thing that I have heard but can not verify is that the cells may
give off fumes that will eat the case or compinents of the camera. It comes
from the unverified story that the FAA will not certify them for the
emergency locator beacons as the fumes eat the airframes.
 
Q

quietguy

Jan 1, 1970
0
My FujiFilm Finepix digital camera has the same warning in its manual - but I
don't know why

David
 
J

Jim Adney

Jan 1, 1970
0
Energizer sells single AA lithium batteries

http://www.energizer.com/products/lithium/default.aspx
Click to expand...

Yes, and so do lots of other makers, but using these in place of 1.5V
AA cells will subject your unit to twice the voltage that it was
expecting. This is probably not a good idea.

My point was that some devices and makers have attacked this problem
by making devices and batteries which can use either some number of
1.5V cells, or half as many 3V cells. They make special Lithium cells
which are shaped like 2 AAs side-by-side, so you get more than twice
the energy storage in the same space without going up in voltage at
all.

-
 
R

Ralph Wade Phillips

Jan 1, 1970
0
Howdy!

Jim Adney said:
Yes, and so do lots of other makers, but using these in place of 1.5V
AA cells will subject your unit to twice the voltage that it was
expecting. This is probably not a good idea.
Click to expand...

Not THOSE Lithiums. They're internally voltage-regulated to output
1.5V.

Else, I'd have let a LOT of smoke out of my digital camera.
My point was that some devices and makers have attacked this problem
by making devices and batteries which can use either some number of
1.5V cells, or half as many 3V cells. They make special Lithium cells
which are shaped like 2 AAs side-by-side, so you get more than twice
the energy storage in the same space without going up in voltage at
all.
Click to expand...

They also make packages (notice, not the cells! They're still 3V)
that drop the output down to 1.5 for compatibility's sake.

RwP
 
T

[email protected]

Jan 1, 1970
0
Yes, and so do lots of other makers, but using these in place of 1.5V
AA cells will subject your unit to twice the voltage that it was
expecting. This is probably not a good idea.
Click to expand...

No. Lots of other maker do not sell them. Just Energizer and they are
1.5 volts.
My point was that some devices and makers have attacked this problem
by making devices and batteries which can use either some number of
1.5V cells, or half as many 3V cells. They make special Lithium cells
which are shaped like 2 AAs side-by-side, so you get more than twice
the energy storage in the same space without going up in voltage at
all.
Click to expand...

These double cased types have been around for a while. Energizer now
has single AA packaged lithium cells that are 1.5 volts
 
I

[email protected]

Jan 1, 1970
0
i also have a Yashica ez zoom autofocus camera(regular 35 mm film).
its manual also says not to use NiCD, or Lithium batteries and to only
use alkaline AA cells.
CAn anybody explain why this is?
anyway i ve been using two NiMH batteries for the camera for a while
without any problems.will i damage my camera?
 
R

Ralph Wade Phillips

Jan 1, 1970
0
howdy!

i also have a Yashica ez zoom autofocus camera(regular 35 mm film).
its manual also says not to use NiCD, or Lithium batteries and to only
use alkaline AA cells.
Click to expand...

NiCads are 1.2V, Lithium CELLs are 3V. Either one is bad news for a
camera - the NiCad won't last long enough, and might not work at all - and
the 3V Lithiums would tend to fry it.

Energizer Lithium AA and AAAs are voltage-limited to 1.5V, which
should make them OK.
CAn anybody explain why this is?
anyway i ve been using two NiMH batteries for the camera for a while
without any problems.will i damage my camera?
Click to expand...

Are they 1.5V? If so, then they're OK. If not, but are 1.2V, then
it's not a matter of damage usually but of shortened life since the camera
will shut down on low voltage LONG before the cells are actually depleted.

RwP
 
H

H. Dziardziel

Jan 1, 1970
0
snip

One other thing that I have heard but can not verify is that the cells may
give off fumes that will eat the case or compinents of the camera. It comes
from the unverified story that the FAA will not certify them for the
emergency locator beacons as the fumes eat the airframes.
Click to expand...

Pressurized industrial Lithium Sulfur Dioxide Batteries (LiSO2), a
different non camera lithium chemistry, and are nominally 3V
Consumer manganese dioxide lithiums, as used in cameras, are also
3V.. Eveready's l91 are Lithium/Iron Disulfide (Li/FeS 2) 1.5V

The various kinds recapped here:
http://www.corrosion-doctors.org/PrimBatt/Lithium.htm
 
T

[email protected]

Jan 1, 1970
0
Just purchased a Sony Cybershot DSC-H1 digital camera.
It came with 2 NIMH AA batteries. The manual says...

You can not use lithium batteries. I have always used non
rechargeable lithium AA's for emergency back ups. Why
doesn't Sony want these batteries used?
Click to expand...


Maybe this is the reason?

Lithium's can supply the high impulse current used to charge
a flash for example. However they do this at a higher voltage
than the recommended NIMH. IxE=P

If A 1.2 volt NIMH = 1, then a 1.5 volt lithium = 1.5625

So that a Lithium AA could potentially increase the wattage
of a flash by a factor of 1.5625
 
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