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Now THIS is a battery!!!

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flatblackdave David Sweeney
Allentown, PA, USA   USA
My battery went dead over the long Pennsylvania winter and I remembered I had an Oddessy 925 dry cell that I bought 4 (maybe even 5) years ago for a project.......dug it out and put the meter on it...11.78 volts!!! It now lives behind the passenger seat......

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MGBGM1977 Avatar
MGBGM1977 Anthony Piper
Mossy Head, FL, USA   USA
Never used one of those, but have always been curious about them.

RAY 67 TOURER Avatar
RAY 67 TOURER Ray Marloff
Fort Bragg, CA, USA   USA
1967 MG MGB "My Girl"
David, be careful when charging that battery. Most dry cell batteries prefer a low amp charge. Higher rates can burn them up. RAY

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Cocoa, FL, USA   USA
Hear about the man who was arrested on battery and got locked up in a dry cell?

spikemichael Avatar
spikemichael Platinum Member Michael Caputo
Ocean Shores, WA, USA   USA
1973 MG MGB "Freebie"
1973 MG MGB
1974 MG MGB "Spike"
1979 MG MGB "MegaBeanie"    & more
Sorry Greg, that got a thumbs down.



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JohnyMc Gold Member John McFarlane
Mossman, Queensland, Australia   AUS
1971 MG MGB
Ray is spot on. A dry cell requires a charge rate that is not suitable for vehicle charging systems.
Very slow and steady vs (vehicle) hard fast then steady. Be very very careful.
Or get rid of it and sleep soundly.


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tvrgeek Avatar
tvrgeek Silver Member Scott S
Hillsborough, North Carolinia, USA   USA
1965 MG MGB
Made for automotive use. Seems to be a lead acid gel-cell with flat plates rather than "6-pack" construction. Not a "dry cell".



Cogito ergo sum periculoso

flatblackdave David Sweeney
Allentown, PA, USA   USA
...Yeah, I guess I shouldn't have called it "dry cell" I just found the web site. Apparently they are great for vehicles that are stored for extended periods? I'll give a yell if I have problems. Web site http://www.odysseybattery.com

GMB3 Avatar
GMB3 Silver Member George Badger
Soquel, CA, USA   USA
1965 Jaguar E-Type Coupe "1QUICK E"
1968 MG MGB "1QUICK B"
It's not the charging current that will kill a battery. It's the voltage. If a battery is low, and that one was but hadn't lost a cell, it will DRAW more current. You can not shove current into a battery.

Think about this, you have a 100W light bulb connected into a 20A circuit. But it doesn't get burned out when it is turned on, as long as the voltage is not too high, and will only draw less than 1A in a 20A circuit.

Different battery technologies require different charging methodologies. FLA's, Flooded Lead Acid, are the most tolerant. That's what is prevalent in motor vehicles. AGM's, Absorbed Glass Mat, are lead acid batteries who have a stabilized electrolyte that won't spill if turned on its side. AGM's are not always deep cycle batteries.

A deep cycle battery is not really good for use in a motor vehicle for starting and such. It doesn't like an instantaneous burst of energy, starter motor, requirement whereas an automotive battery doesn't like a deep discharge.

Yes, I have some batteries.



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GEO

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Attachments:
HAM BATTERIES.jpg    68.3 KB
HAM BATTERIES.jpg

RAY 67 TOURER Avatar
RAY 67 TOURER Ray Marloff
Fort Bragg, CA, USA   USA
1967 MG MGB "My Girl"
Solar charging, I presume? RAY

tampaguy Avatar
tampaguy Jack Shea
Elgin, OR, USA   USA
George I’ve been off grid since 1991 ! Solar is wonderful

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Basil Adams Avatar
About 12 miles from Sears Point, CA, USA   USA
Gel Cells are great. Paying $25-30 for a battery tender is a great investment for your seldom driven cars. I recently had an electrical plug installed outdoors with a tender in an outdoor box that I can plug the gator or the mule into and I have another in the shop for any of the cars. Keeping them ready to go extends battery life.



Basil C. Adams
1956 MGA Coupe (Show Car)
1957 MGA Roadster (Driver)
1958 MGA Coupe (Racecar)
1959 MGA Coupe (unrestored)
1960 MGA Coupe (unrestored)
1960 MGA Roadster (Driver)
MKIII Elva Courier (E1056)
1967 427 Cobra
1972 Alfa Romeo Montreal
A coupla late MGBs
1960 Austin Healy BN7
More Cars than Brains

GMB3 Avatar
GMB3 Silver Member George Badger
Soquel, CA, USA   USA
1965 Jaguar E-Type Coupe "1QUICK E"
1968 MG MGB "1QUICK B"
Presumably correct.

Those are for the ham shack. The house has a 13kW 48V battery pack.

In reply to # 3718830 by RAY 67 TOURER Solar charging, I presume? RAY



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GEO

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