GM,
Powersonic sells automatic chargers for SLA batteries that do just what you
described, Don, The PSC 12500A is the right charger for the KBT-2. That's
the 0.5 amp charger. I keep my KBT-2 on float/charge with the PSC 12500A
with the battery switch off unless I am on battery power, and it
W3FPR - Don Wilhelm wrote:
[re the A&A Engineering Smart Charger]
OTOH, I believe the thing that is usually adjusted is the 'bulk current'
which is the high current part of the 3 stage charging cycle.
Yes, you're absolutely correct -- it's the bulk current that's adjustable.
--
73,
Vic, K2VCO
Vic,
Thanks for adding that - in my haste, I forgot to say that indeed for a
Smartcharger, the current must be set with consideration for the battery.
OTOH, I believe the thing that is usually adjusted is the 'bulk current'
which is the high current part of the 3 stage charging cycle.
Reviewing t
Hi
You could use one of my solar controller kits and a 15-18 volt wall wart or
power supply in place of the solar panel. You would just need a 5-10 ohm 10
watt resistor in series with the wall wart to limit the current and make the
supply simulate a constant current source like a solar panel. I
W3FPR - Don Wilhelm wrote:
Of course, an even better system is to use a 3 stage charge controller
specifically designed for SLA batteries - something like the A & A
Smartcharger would do a fantastic job.
Keep in mind that the Smartcharger (and most likely other 3-stage
chargers) has an adjust
Jack,
I don't know the specs for that Sears charger, but many of those designed
for automotive batteries are nothing more than a cheap power supply. A gel
cell can be maintained at a 'float voltage' level of about 13.8 volts at its
terminals and will do well - many security systems and small emer
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