[aprssig] Solar charging again

Jordi Costa bvjordi at bitsnvolts.com
Fri May 6 09:51:18 EDT 2005

----- Original Message -----
From: "Robert Bruninga" <bruninga at usna.edu>
To: <aprssig at lists.tapr.org>; <scott at opentrac.org>
Sent: Friday, May 06, 2005 2:13 AM
Subject: Re: [aprssig] Solar charging again

> For AA nicads, the trickle charge rate is probably 50
> to 100 mA for 500 or 1000 MAH cells.  So as long
> as your solar panel cannot pput out more than
> 50 or 100 mA, then there is never any problem with
> overcharging...

In the past, recommended charging for NiCd was 10% of hour capacity during
14h. So, safe trickle charge should be a little value, maybe 1%-2%.
Dependending of the panel and load currents could be difficult to keep the
battery charged and avoid overcharging.

Jordi - EA3CIU

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