http://cgi.ebay.com/ebaymotors/30-AMP-RV-Power-Converter-by-Progressive-Dynamics_W0QQcmdZViewItemQQcategoryZ50073QQihZ017QQitemZ270011767442QQrdZ1>
Item number: 270011767442
these can be inexpensive if you have a "U-pull-it" style junkyard in your area, as I've reclaimed a few for under $30
new they're over $200 but can be found used on Ebay from time to time..
you will have to check their output amperage rating. mine is rated output of 20amps at 12 volts. some are 30, and larger RVs are 50amps.
but be warned, they are heavy (nearly as a battery) and can create some heat. (conversion of voltage) but make a nice addition to that aux battery you really wanted anyways..
Dead batteries? not any of my 4. yes 4 batteries in the camper..
weigh a lot?? less then passangers.. I'm not a minimalist..
My ASI already weighs more then a westy.. cabinet construction and all.. but I still get 25+ mpg on the highways.
Dan Stevens
1980 ASI turbo diesel conversion.
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From: David Johnson <davidj@ELPASOTEL.NET>
Subject: Trickle Charger (follow up 182 Amps)
Ok, so thanks to all the list for the feedback on the RM 182 amps -
sounds like no matter what, the best I could hope for is a few hours
of fridge time. Just so far have not gotten my fridge lit on propane
yet, so will probably have to pull it and clean out the combustion
chamber and try again.
So, with that out of the question, I am not sure a deep cycle battery
is worth it for the other 12v stuff. So has anyone used any of the
trickle type chargers to keep a main battery up against a light
weight inverter. I have seen them in the 2 watt trickle charge
range. That seems awfully light weight, so has anyone used them to
try and keep up a main battery against moderate use (maybe a fan, a
couple hours of laptop draw for a movie, some lights).
Thanks again,
David.