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#2
11-15-03, 11:08 AM
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I buy the standard Gill unit, which is carried by a host of suppliers. It comes with the acid in a bottle, and the process of adding the acid and charging the battery is easy and well documented, but you need a 24v charger (Sears sells them). So you can do it yourself. Compare prices at Chief, Aircraft Spruce and Dresser Tire (yes, they sell batteries and often undercut the regular suppliers). Every three months make sure you add distilled water to the recommended point, and you ought to get up to 3 years of life.
Ernie 
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#3
11-16-03, 12:25 PM
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Our old 67 model had one 24 volt battery. The 67 we have now has two twelve volts hooked up 24 volt.I perfer the two 12's you get way better cranking power to the rear engine You only nead a twelve volt charger. Remember to disconnect and charge seperately
Frank Last edited by Frank Benvin : 11-16-03 at 12:29 PM.
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#5
11-17-03, 11:33 AM
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I will take a look and let you know next time I go out to the airport.
Frank
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#6
11-18-03, 05:45 PM
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Adam,
No wonder the battery seems weak and small. I was amazed to find out that the same battery sees service on the C152 through to the C337!! Mind you, I see it is also listed for the PA-31 Navajo too! Damon
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#7
11-18-03, 06:07 PM
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Battery
Not so. The C172 is 12 volts not 24 volts. My battery is 3 years old and it still works fine. Mine is a Gill but some people prefer Concorde, I think my next one will be a Concorde.
Fred
__________________
N358 1967 337B Normally Aspirated, KX155, Mod "C", Cessna Auto Pilot 400, 4 Seats, 3400 TT on Airframe
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#8
11-19-03, 01:54 AM
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Both my C172s are 24 volt!
I think about 1978 was the change to 24 volt in the 172. I've replaced the batteries several times...and they're the same battery!! Damon
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#9
11-19-03, 10:03 AM
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Battery
Sorry about that ! I am so old I can only think old. I still have a 1967 ford F150 I bought new.
Fred
__________________
N358 1967 337B Normally Aspirated, KX155, Mod "C", Cessna Auto Pilot 400, 4 Seats, 3400 TT on Airframe
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#10
11-22-03, 08:57 PM
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LOL
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#11
11-22-03, 10:13 PM
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batteries last 3 to 5 years depending on the care. if they do not there is a problem and you need to find it. overcharging will show up by excessive water consumption, something not turning off (look for a minor arching when replacing the fial terminal). i had a solar charging plug in and it kept boiling off the water. ther is a reason just keep looking. the make does not make any difference!
rick
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#12
11-29-03, 10:08 AM
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GREAT ARTICLE AND REWIEW OF AIRCRAFT BATTERIES IN THE CURRENT AVIATION CONSUMER. AGM TECHNOLOGY IS THE BEST CHOICE. AGM (ABSORBED GLASS MAT) COMES FROM SOME TIME BACK BUT HAS NOT BEEN USED MUCH IN GA. IT WAS DISIGNED FOR THE MILITARY AND LOOKS TO BE A GOOD CHOICE. SOME REFER TO IT AS A "SEALED LEAD-ACID" BATTERY (STRAVED ELETROLYTE) OR A RECOMBINANT-GAS (RG) BATTERY. THEY HAVE HIGHER CAPACITY AND BETTER TEMPURATURE RANGE.
CHECK OUT ALL THE STUFF IN DECEMBERS AVIATION CONSUMER
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battery
Linear Mode
