Cell phone battery charging

[Srfr]

I have the car charger and indoor charging cradle to old cell phone (now
defunct) and I'd like to use both with my new cell phone. I can modify the
connectors easily on the cradle, and same with the car charger I believe
(connect to the plates on the bottom of the phone rather than go in through
the plug.) But I don't want to risk damage to the new phone battery. (Old
and new batteries are LiIon.) Can someone point me to a web page or
reference that shows the calculations needed to make sure no damage comes
to the new phone battery?

Or possibly its time to make or buy a universal charger? Info on that?

 

[Ian Stirling]

Srfr <srfr@fasthonda.com> wrote:

I have the car charger and indoor charging cradle to old cell phone (now
defunct) and I'd like to use both with my new cell phone. I can modify the
connectors easily on the cradle, and same with the car charger I believe
(connect to the plates on the bottom of the phone rather than go in through
the plug.) But I don't want to risk damage to the new phone battery. (Old
and new batteries are LiIon.) Can someone point me to a web page or
reference that shows the calculations needed to make sure no damage comes
to the new phone battery?

You need to ensure the voltage and current supplied are the same.
Unfortunately, cellphones and exaclty what tehy need vary tremendously,
it may well not be safe.

Or possibly its time to make or buy a universal charger? Info on that?

Look for a cheap adaptor on ebay.

--
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My inner child can beat up your inner child. - Alex Greenbank