On Wed, 8 Aug 2007 22:25:11 -0400, Dennis Haynes <d23haynes57@HOTMAIL.COM>
wrote:

>Charging current has to be limited due to the small size. Pooping 14 volts
>of alternator power is not a good idea.
>
>Dennis
>

Here's the tech specs on the Tempest TR22-12....quite a lot of info.

http://www.tempestbatteries.com/html/tr22-12.html

Regarding charging...it says "initial charging current recommended
=4.4amps, but also says charging voltage of 14.4 to 14.9V ..which is
fairly consistant with other deep cycle batteries...in that they can't be
really be fully recharged with a vehicle alternator that puts out a 13.7-
14 volts.  But this would be true for a stand alone big 100AH battery
also, wouldn't it?  (I've read elsewhere that deep cycles have to be put
on a smart charger plugged into 110AC to be fully recharged.)

So Dennis why do you think charging with the alternator would be a problem.

Warren