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Hooper
Hooper

Posted: Mon Apr 04, 2011 9:40pm

Post Subject: New Batteries

Hi Tony, Do new lead acid batteries have a shelf life after which they deteriorate before they are sold. Will a hydrometer check as soon as they are received indicate if they are still in new condition. Brgds Tim

Tony-B
Tony-B

Posted: Tue Apr 05, 2011 8:17am

Post Subject: New Batteries

They start to deteriorate as soon as they are filled with electrolyte but at such a low rate it would not be concern me. I would be far more concerned that they have been left standing without a regular refreshing charge so the self discharge has allowed them to discharge and sulphate, A hydrometer or a voltmeter check at the point of sale should give you an idea about the state of charge. It will not tell you if they are sulphated but recently charged. There is no easy way an end user can check that. Fully charged battery readings:- Sp. Gr 1.275 voltage 12.7 to 12.8 several hours after the last charge. Tony Brooks

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