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The mAH is a rating of how much current the battery can supply for how long:
'milli Amp Hour'
Get the highest rated you can find/afford; though the rating on the
Chinese knock-offs--I think most of them are--seems to be overstated.
The load--how much current will be used--is determined by the circuit on
the phone.
The statement on the charger makes no sense; applying 6V to a 1.5V
battery would cook it in short order (putting 48V on a car battery would
boil the electrolyte; creating a major mess and possibly an explosion).
I suspect it's a nominal rating; i.e. it will put out 150mAH at 6v, but
only needs about, oh, 2V or less to charge the batteries and would
supply 450mAH at that voltage.
E (voltage) = I (current) * R (resistance). Plug in any 2 known
values--and use a little algebra if necessary--and you'll get the third.
Bob
On 6/4/2015 7:03 AM, Simon Lachlan wrote:
>
> The string on 1.5v recharging demonstrated that some of you gurus are
> multitalented(sp?). So............
>
> The batteries in our domestic cordless phones are giving up.
>
> They are AAA Nickel Metal Hydride 550mAh.
>
> Looking on eBay, most similar rechargeable AAA phone batteries are
> around 1500mAh. Nothing less than 700mAh.
>
> Can I stick in the highest rated that I can find, 1800mAh, and expect
> good results? Or does the higher mAh level imply some level of
> something that the phones? chargers won?t manage???
>
> (The charger says ?Output: 6v. 150mAh?)
>
> Simon
>
>
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The mAH is a rating of how much current the battery can supply for
how long:<br>
<br>
'milli Amp Hour'<br>
<br>
Get the highest rated you can find/afford; though the rating on the
Chinese knock-offs--I think most of them are--seems to be
overstated. The load--how much current will be used--is determined
by the circuit on the phone.<br>
<br>
The statement on the charger makes no sense; applying 6V to a 1.5V
battery would cook it in short order (putting 48V on a car battery
would boil the electrolyte; creating a major mess and possibly an
explosion). I suspect it's a nominal rating; i.e. it will put out
150mAH at 6v, but only needs about, oh, 2V or less to charge the
batteries and would supply 450mAH at that voltage.<br>
<br>
E (voltage) = I (current) * R (resistance). Plug in any 2 known
values--and use a little algebra if necessary--and you'll get the
third.<br>
<br>
Bob<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 6/4/2015 7:03 AM, Simon Lachlan
wrote:<br>
</div>
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<p class="MsoNormal">The string on 1.5v recharging demonstrated
that some of you gurus are multitalented(sp?).
So............<o:p></o:p></p>
<p class="MsoNormal">The batteries in our domestic cordless
phones are giving up.<o:p></o:p></p>
<p class="MsoNormal">They are AAA Nickel Metal Hydride
550mAh.<o:p></o:p></p>
<p class="MsoNormal">Looking on eBay, most similar rechargeable
AAA phone batteries are around 1500mAh. Nothing less than
700mAh.<o:p></o:p></p>
<p class="MsoNormal">Can I stick in the highest rated that I can
find, 1800mAh, and expect good results? Or does the higher mAh
level imply some level of something that the phones? chargers
won?t manage???<o:p></o:p></p>
<p class="MsoNormal">(The charger says ?Output: 6v.
150mAh?)<o:p></o:p></p>
<p class="MsoNormal">Simon<o:p></o:p></p>
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