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.