I have a sailboat that I keep at a marina, so charging time is not that
critical, I guess. My old, old Nav Mar HDM 30 charger is frying my
batteries and I'm looking to replace it. I have a charging battery and
two 75 amp house batteries (in one bank). Can anyone recommend a
charger for me? Would the xantrex TC10 be too small a charger?

Thanks in advance,

George

A ten amp 3 stage charger, which is what I assume the Xantrex TC10 is, would
do fine for your setup.


wrote in message
oups.com...
I have a sailboat that I keep at a marina, so charging time is not that
critical, I guess. My old, old Nav Mar HDM 30 charger is frying my
batteries and I'm looking to replace it. I have a charging battery and
two 75 amp house batteries (in one bank). Can anyone recommend a
charger for me? Would the xantrex TC10 be too small a charger?

Thanks in advance,

George

wrote in news:1152988291.790206.100010
@h48g2000cwc.googlegroups.com:

Would the xantrex TC10 be too small a charger?

10A is plenty. Make sure the charger completely shuts off when it gets
charged at 14.2V and doesn't come back on until batteries drop below 13.5V
or so. It'll stop converting your water into hydrogen.....UNLESS THERE'S A
BAD CELL.

Lionheart has a dual 10A Guest. One side charges the 660AH house battery
banks all in parallel. The other side charges the little diesel starting
battery. It's fine and rarely needs watering. Of course, if you dock it
with the house batteries mostly discharged, it'll take it a few days to
recharge, which is GREAT! The slower you recharge, the BETTER!

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On Sat, 15 Jul 2006 17:16:26 -0400, Larry wrote:

wrote in news:1152988291.790206.100010
:

Would the xantrex TC10 be too small a charger?

10A is plenty. Make sure the charger completely shuts off when it gets
charged at 14.2V and doesn't come back on until batteries drop below 13.5V
or so. It'll stop converting your water into hydrogen.....UNLESS THERE'S A
BAD CELL.

Lionheart has a dual 10A Guest. One side charges the 660AH house battery
banks all in parallel. The other side charges the little diesel starting
battery. It's fine and rarely needs watering. Of course, if you dock it
with the house batteries mostly discharged, it'll take it a few days to
recharge, which is GREAT! The slower you recharge, the BETTER!


You only have a 10A charger for a 660AH bank Larry!? If you draw the
bank down to 50% that's 33 hours of rechargingtime at least.

Does you inverter have a high output charge side to it or something? I
assume you have a large capacity alt..

Capt. Bill wrote in
:

You only have a 10A charger for a 660AH bank Larry!? If you draw the
bank down to 50% that's 33 hours of rechargingtime at least.

The boat sits at the dock for 2 weeks after a cruise, at least. If it
takes a harbor cruise, for a day, we don't use many AH at all. 10A is
plenty charger for this kind of service.

At sea, that's different. The starter charger is 80A. The house battery
charger is 160A (I think). Doesn't take long to pull them up that hard,
even with all the toys running from them, too. And, if anything fails, a
few switch flips and I can cross connect anything.

Also, at sea under sail, she has one solar panel across the hard top on
the center cockpit and a 25A shaft-driven alternator that charges around
15A at 6 knots, more than the electronics draw from the toys unless the
HF transmitter is on the air on 20 meters...(c;


Does you inverter have a high output charge side to it or something? I
assume you have a large capacity alt..



Inverter is a 1KW from Radio Shack I installed a remote control switch
into. It's on the side of the battery box in the engine room with a tiny
mini switch at the nav station with neon indicator on its output panel.
It also powers the microwave oven so we can have popcorn with tonight's
feature film from the hard drives on the big screen 12V LCD TV/monitor.
You can't watch The Cap'n all the time, you know! It's fairly boring!

"Tonight on the Mess Deck off duty personnel can see Basic Instinct 2".
(There, that'll have 'em all wishing they were on the dock...(c


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