David -
A Trojan 105 AH Marine bat came with my '03 EVC, &
I added a second 105 AH Marine for double capacity.
I built a new plastic box to fit them - tightly!.
If you plan to keep the original bat box, you may
want to buy the largest deep cycle that will fit.
Look at the AGM higher capacity & price by Optima.
Their Yellow Top are Marine batteries, which have
higher rating for a given size. Add a "T" for 3/8"
Stainless threaded terminals, to fit 3/8" wing nuts.
EVC house batteries never get a full charge from
the alternator. I use a small Harbor Freight ~1.5A
trickle "Float" charger on my house batteries - now
on sale for $6. I modified it with a resistor to
bring it up from 13.3 to 13.8V. If I charge my pair
for a day or two per week, they stay up fine.
Keeping batteries above 11 - 11.5V prolongs bat
life. If I don't drive the EVC once a week, I charge
the front bat also.
If you can't leave extension cord on van overnight,
use the converter/charger, which will top house bat
up a lot faster [at 15 Amps]. To charge front bat at
the same time, leave key on, with hand brake on to
kill the driving lights. The converter/charger will
charge front & rear bats together.
Regards,
Jack_son
==================================================
--In ev_update@..., "davidaprilh" <smithhorner@...> wrote:
The auxiliary battery in my '02 EVC is dead. The VW manual says
that
it's important to chose a replacement with the correct specs, but
neither the VW manual nor the Winnie manual list any specs other
than
12 V. The OEM battery is long gone, of course, so I can't check the
specs on the case. I don't want to assume that the previous owner
installed the right battery, and I do assume that my local battery
guy
will know nothing about the EVC.
What ARE the specs for the '02 EVC auxiliary battery? I've been
reading about Trojans, Dekas, and Odysseys on this board, but which
models match the VW specs? Or does it matter if I depart from the
VW
specs as long as I go with a deep cycle 12 V battery that fits in
the
EVC's battery box and has lots of Ah? My dead battery is a Werker
31MDC: 12V, 105 Ah, 775 CCA.
Thanks for your help!
David
'02 EVC
