lsmartino wrote
Rod Speed wrote
Not necessarily. They can move the charging circuit to the cell in itself.
Not practical with AA and AAA batterys being discussed.
In spades with an ipod battery.
Why? Because you say it?
Nope, because even you should have noticed the
problem with the space in the batterys the ipod uses.
Oh please...
Down on your knees and beg properly...
Of course that will steal space from the chemical part of
the cell with the resultant capacity loss, but it can be done.
But isnt practical and it cant be done with an ipod battery anyway.
Thus the charger used to recharge the battery becames
inmaterial because any proper voltage source will suffice.
The problem aint the voltage source.
You say that because probably you donīt have
a clue about how a battery charger works.
Guess who has just got egg all over its face, yet again ?
In fact, since lithium cells produce 3V, and a AA battery
shouldnīt produce more than 1.5V, I suspect that these
lithium cells have some form of voltage regulating circuit inside.
No they dont. They are in fact nothing like RECHARGABLE lithium technology.
A lithium cell WILL produce 3V regardless of itīs type.
Wrong with the ones you waved the url for about.
A rechargeable lithium battery or a non rechargeable one will have the
same voltage output. Thatīs what the chemistry produces, and you canīt
reduce that voltage chemically, so they must have some built in electronic
method to reduce the voltage to the standard 1.5 V a AA cell should produce.
Have fun finding that in the ones you waved the url for about.
If that is true, then itīs possible that in several
years that circuit will be designed to allow a
safe recharging of a lithium AA or AAA battery.
Its obvious technically possible right now given that cellphones
and ipods etc can obviously charge them fine now, and with
cellphones particularly can handle all of NiMH, NiCad and Lion etc.
The problem is that if they are in AA or AAA format, there
is nothing to stop an individual putting them in an inappropriate
charger and ending up with a massive legal liablity problem.
As I stated previously, if you move the charging circuit to the
cell itself, the problem of the charger dissapears completely.
Pity that isnt even possible with the battery in the ipod.
Not with a standard battery format they cant, because that
would inevitably see some put them on inappropriate chargers
that would produce spectacular results when they did that.
The technollogy exists, and in fact itīs in use actually.
No it isnt with STANDARD BATTERY FORMATS.
Take this cordless phone, for instance,
http://gigaset.siemens.com/shc/0,193... html#content
Itīs designed to work with standard AAA rechargeable batteries.
So is mine. Pity it doesnt accept Lithium rechargable AAA batterys.
I donīt care it it cannot take Lithium or Plutonium batteries.
You have always been, and always will be, completely and utterly
irrelevant. What you may or may not care about in spades.
The point here is that the phone is designed to take a standard rechargeable
battery which will be available forever, and not a proprietary battery which
surely will be non available when the need to replace it arises.
The point is that lithium rechargeables are not available in AA
and AAA format because of the inevitable problem that can
occur when they are charged in an inappropriate charger.
Also I own a Siemens C4000 cordless phone and it works with
standard AA rechargeable batteries. It can take NiCd or NiMh
batteries.
So does my Panasonic, and I bought it for that reason.
It will not however accept lithium rechargable batterys.
Both of my current cellphones, Nokias, will accept all of NiMH,
NiCad and Lion batterys, but they arent AA or AAA format
because there is too much risk with that approach of someone
trying to charge the Lion batterys with a separate charger that
doesnt know how to charge Lion batterys.
If you move the charging circuit to the battery
pack (like laptops battery packs do),
They dont necessarily, and cellphone certainly dont.
you donīt have to worry about that.
Pity it isnt even possible with the battery used in an ipod.
So, *if* the manufacturer wants to develop a product
using standard rechageable batteries, *it can do it*.
Nope, because there is no way to stop someone putting
it in a charger that knows nothing about Lion charging.
I said "standard rechargeable batteries", not LiOn.
Pity we happened to be discussing the use of lithium
rechargable batterys in AA and AAA format.
What part of that didnīt you understood?
What part of discussing the use of lithium rechargable batterys
in AA and AAA format did you not understand ? Ipods in spades.