Drat. This was the only one my Sears had.

Well, they're not too expensive. My big deep cycle battery could use the
occasional desulfation (who, after all, couldn't?).

--
Jack "Rocket j Squirrel" Elliott
Bend, Ore.
1984 Westfalia. A poor but proud people.
1971 "Ladybug"-brand utility trailer ca. 1972 from a defunct company in
San Clemente, Calif., now repurposed as The Westrailia.

Sent from my kitchen.

On 01/26/2012 11:59 AM, Chris S. wrote:
> You have the "automatic" version. I have the microprocessor controlled one like model 71227.
>
> Chris.
>
> Wysłane z iPhone'a
>
> Dnia Jan 26, 2012 o godz. 13:23 Rocket J Squirrel<camping.elliott@gmail.com>  napisał(a):
>
>> Hi Chris,
>>
>> Maybe not all DieHard battery chargers incorporate a desulfating mode. The manual for this Diehard model # 71222 says nothing about it. It would be nice if it had such a thing.
>>
>> --
>> Jack "Rocket j Squirrel" Elliott
>> Bend, Ore.
>> 1984 Westfalia. A poor but proud people.
>> 1971 "Ladybug"-brand utility trailer ca. 1972 from a defunct company in San Clemente, Calif., now repurposed as The Westrailia.
>>
>> Sent from my kitchen.
>>
>> On 01/25/2012 06:25 PM, Chris S. wrote:
>>> The electronic Sears DieHard chargers have an automatic desulfation mode when they detect such conditions.
>>>
>>> Good to hear about your winter nut stash.  Maybe you got lucky in more ways than one.
>>>
>>> Chris.
>>>
>>> Wysłane z iPhone'a
>>>
>>> Dnia Jan 25, 2012 o godz. 16:13 Rocket J Squirrel<camping.elliott@GMAIL.COM>   napisał(a):
>>>
>>>> In case anyone is wondering where the heck I've been. Admit it, you have
>>>> been.
>>>>
>>>> My Westy is dozing under a Just Kampers vehicle cover (Vanagon content!)
>>>> for the duration of the Bend, Oregon, winter. I have many projects which
>>>> I was unable to get around to completing last year that I hope to get to
>>>> in spring. Camping got in the way. Boo hoo.
>>>>
>>>> Until camping weather returns, Mrs Squirrel and I are snugged away in
>>>> our little house with the nuts and firewood (four cord!) we gathered
>>>> last summer.
>>>>
>>>> My mainly non-Vanagon postings are at<http://socal2bend.blogspot.com/>,
>>>> for those interesting in Keeping Up With The Skuirrels.
>>>>
>>>> In the past 24 hours, Mt. Bachelor ski area has picked up 8'' of snow
>>>> for those who ski (me? no: pot-metal knee). Snow's at something like
>>>> 100'' of depth.
>>>>
>>>> For Westy-related fun I like to spot Vanagons in town. Yesterday I saw
>>>> four, one of which appeared to be a 1984 ivory Westy just like ours.
>>>>
>>>> I may have killed my expensive Trojan deep-cycle 130 A/h battery. The
>>>> van had been parked for a few weeks, slumbering, with a light (200mA)
>>>> load on it (the load is primarily the Xantech battery monitor thingy).
>>>>
>>>> But the smart charger I usually keep connected to the battery had come
>>>> unplugged, unbeknownst to me. So the load drained the battery.
>>>>
>>>> When I climbed into the van last week to take a bunch of boxes of
>>>> seasonal decorations down to our storage facility, I saw that the
>>>> battery was showing less than 7 volts. This should mean that the battery
>>>> is so deeply discharged that it is damaged beyond recovery.
>>>>
>>>> I popped over to Sears and picked up a 10A "not dumb" charger, pulled
>>>> the battery, and put a charge on it. In about 12 hours it showed a
>>>> fully-charged battery. Now, one week after the charger has been removed,
>>>> it still shows 12.48 volts (50 degrees F), and the float-type hydrometer
>>>> says "100%."
>>>>
>>>> Does this make sense? Shouldn't this battery be pretty much a lead and
>>>> sulfur-filled brick?
>>>>
>>>> --
>>>> Jack "Rocket j Squirrel" Elliott
>>>> Bend, Ore.
>>>> 1984 Westfalia. A poor but proud people.
>>>> 1971 "Ladybug"-brand utility trailer ca. 1972 from a defunct company in
>>>> San Clemente, Calif., now repurposed as The Westrailia.