Keyfob airal or nob thing

[Nut Kracker]

^^^ correct , they can't be charged up , but it does disarm the immobilizer .

The VT service CD says it is charged up by the ignition. I'll find it.

Just had a look on Google.
The batteries with numbers beginning with "CR" are expendable/disposable; can't be recharged.

But the ones that have numbers beginning with "LR" are re chargeable.

The only draw back with the re chargeable ones, is they have a considerably lower amperage capacity
compared to the expendable/disposable ones.

 

[bcw61]

Just had a look on Google.
The batteries with numbers beginning with "CR" are expendable/disposable; can't be recharged.

But the ones that have numbers beginning with "LR" are re chargeable.

The only draw back with the re chargeable ones, is they have a considerably lower amperage capacity
compared to the expendable/disposable ones.

Where on earth did this come from, and can you provide a web-link, as it sounds extremely doubtful.

As an example: an LR44 battery is an alkaline type cell which is certainly not generally rechargeable - ie is regarded as a primary cell. Attempting to recharge one could lead to some rather nasty results. In fact, it appears the 'L' reference is to designate that the cell is an alkaline chemistry type.

 

[Nut Kracker]

Where on earth did this come from, and can you provide a web-link, as it sounds extremely doubtful.

As an example: an LR44 battery is an alkaline type cell which is certainly not generally rechargeable - ie is regarded as a primary cell. Attempting to recharge one could lead to some rather nasty results. In fact, it appears the 'L' reference is to designate that the cell is an alkaline chemistry type.

We're not talking about 'alkaline' batteries, but the lithium button type (CR2032), as found in the remote key fobs.

For example...The Lithium CR2032 batteries are not re chargeable,
but the LR2032 ones are, as they are a 'Lithium Ion' type. The same make up as the ones used in cordless drills etc. Just in a different format.

Re chargeable...... Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh)

Non re chargeable..... Button Cell: 1 PC 3.0 V 225mAh PANASONIC CR-2032 (Non-Rechargeable) Lithium Batteries - UN 38.3 Passed (NDGR)

Lithium Ion re charger.... Coin cell battery charger

 

[Nut Kracker]

Oh....Maxell also make an LR re chargeable equivalent. It's the ML2032.
Maxell ML2032 rechargeable button cell battery - Other - Rechargeable batteries

Edit:
I just had a look at the battery in an old key fob I've got.

I can't see if it's a CR or an LR, as the solder tabs are covering the writing.
But it IS a 2032 type.

My best guess it's a CR, as the re chargeable (LR) ones I've seen are 3.6 volts (except for the Maxell 'ML' re chargeable, which is 3 volt) and the CR batteries are only 3 volts.
And the one in the fobs are 3 volts.

Probably why they go flat.

The re chargeable ones have a considerably lower amperage, around 40 to 60 mAh
Compared to the non rechargeable ones, which are around 225 mAh .
Probably why they put the non re chargeable ones in the fobs.

Nuff Links for you?

Here's one more for good measure.....https://au.answers.yahoo.com/question/index?qid=20111213234256AAttp2b

 

[bcw61]

I'm not talking about 'alkaline' batteries, but the lithium button type, as found in the remote key fobs.
For example...The Lithium CR2032 batteries are not re chargeable,
but the LR2032 ones are, as they are a 'Lithium Ion' type. The same make up as the ones used in cordless drills etc. Just in a different format.

Re chargeable...... Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh)
Non re chargeable..... Button Cell: 1 PC 3.0 V 225mAh PANASONIC CR-2032 (Non-Rechargeable) Lithium Batteries - UN 38.3 Passed (NDGR)
Lithium Ion re charger.... Coin cell battery charger

Not quite: The 'LR2032' you quoted is actually a 'LIR2032' - a completely different thing altogether. It is even described in the downloadable datasheet on the site you linked to.

As per what I stated before: the 'L' designation in the 'LR' series of cells is for the alkaline chemistry. Please don't get them confused, as that could be an accident just waiting to happen. That tiny little addition of the 'I' in the part number makes all the difference.

 

[Nut Kracker]

The LIR2032 and the LR2032 are one and the same.
Where does it say that it's 'alkaline?
It's commonly referred to as an LR2032, as in the link I supplied.

Have a closer look at the heading on the page and what's written on the battery...Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh) (0.012) Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh)

 

[Nut Kracker]

Ah. I can see where you're coming from. As in the LR-44 and LR-43 etc.
These are indeed alkaline, but are only 1.5 volt. But the 4LR44 is 6 volt and much bigger.

In regards to the CR and LR or LIR Lithium.....
If a re chargeable lithium battery is required to replace a normal one,
The same number MUST be used eg.2032 but the prefix is different.

 

[bcw61]

The LIR (Lithium Ion Re chargeable) and the LR2032 are one and the same.
Where does it say that it's 'alkaline?
It's commonly referred to as an LR2032, as in the link I supplied.

Have a closer look at the heading on the page and what's written on the battery...Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh) (0.012) Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh)

Have a look at part number on the item the website shows - it's not rocket science.

Also your original quote quote that 'LR' indicates a rechargeable cell and 'CR' indicates a non-rechargeable cell is completely wrong. End of story sunshine.

 

[Nut Kracker]

Have a look at part number on the item the website shows - it's not rocket science.

This site....yes? Li-Ion Rechargeable 2032 Button Cells, LR2032, 3.6V 40mAh (20d x 3.2mm, 0.14Wh)
On the item it says LIR. In the heading description at the top of the page, it says LR. It also says Re Chargeable....Yes?

Also your original quote quote that 'LR' indicates a rechargeable cell and 'CR' indicates a non-rechargeable cell is completely wrong. End of story sunshine.

This site says CR non rechargeable.....Yes? Button Cell: 1 PC 3.0 V 225mAh PANASONIC CR-2032 (Non-Rechargeable) Lithium Batteries - UN 38.3 Passed (NDGR)

This site says LR Rechargeable......Yes? Powerizer 2032 3.6V Li-Ion Rechargeable Button Cells - 2 Ppack - (LR2032)

From what I gather LIR2032 is the manufactures part number and LR2032 is the generic part number.

 

[Nut Kracker]

For Christ sake.....Can someone else tell me if I'm wrong?