> For nickel based batteries, you normally add 40-50% to compansate for
> charging efficiency.
>
** The OP posted a question from some test he had to do.
So no such correction factor is needed.
For slow charge (8hr) rates - 40% might be OK.
But absolutely not for fast charging, or the cells will cook.
..... Phil
Reply by Robert Roland●December 21, 20212021-12-21
On Mon, 20 Dec 2021 11:22:04 +0100, Marco Moock <mo01@posteo.de>
wrote:
>Am Sonntag, 19. Dezember 2021, um 05:57:15 Uhr schrieb AK:
>
>> I have a 9V 180 ma discharged Nimh battery that I am charging at
>> 25ma.
>Isn't it 180mAh?
>milliampere hours and not only milliampere?
>
>> How long will it take to charge?
>(180mAh)/(25mA)=7,2h
For nickel based batteries, you normally add 40-50% to compansate for
charging efficiency.
--
RoRo
Reply by Marco Moock●December 20, 20212021-12-20
Am Sonntag, 19. Dezember 2021, um 05:57:15 Uhr schrieb AK:
> I have a 9V 180 ma discharged Nimh battery that I am charging at
> 25ma.
Isn't it 180mAh?
milliampere hours and not only milliampere?
> How long will it take to charge?
(180mAh)/(25mA)=7,2h
Reply by Phil Allison●December 19, 20212021-12-19
AK wrote:
-------------
> I have a 9V 180 ma discharged Nimh battery that I am charging at 25ma.
>
> How long will it take to charge?
>
** What you have is a 180 mAh battery: h = hour.
You do the math.
...... Phil
Reply by AK●December 19, 20212021-12-19
I have a 9V 180 ma discharged Nimh battery that I am charging at 25ma.
How long will it take to charge?
Thanks,
Andy