Hi,

Tech21

I have just bought a “NAPA DIN65LHX MF 12v 710cca Premium Performance Battery” for my car. I can’t find a data sheet for it and there is nothing on the battery to confirm if it’s Calcium or not. I contacted the company I bought it from and they said it doesn’t matter just charge it on any lead acid charger as there isn’t any difference.

My reply (which I believe is correct) was : -

Typical absorption voltage range for a standard lead plate flooded battery is 14.2 to 14.5 volts .

Calcium and Silver Alloys types, the Charging rates must exceed 14.8v up to a max of 16v during the charging process to successfully charge these batteries.

This means that a standard lead plated lead acid battery will over heat(?) if charged on a ‘Calcium’ plate setting and shorten that batteries life.

Where as if a ‘Calcium’ plate battery will not fully charge if charged on a standard Lead plate setting.

They said not true none of the 300+ chargers they sell has a ‘Calcium’ setting. Well, my POWER TRAIN 12 VOLT 30 AMP 240 VOLT AC 8 STAGE PTC12V30A BATTERY CHARGER has Gel, Lead Acid and Calcium modes that need setting manually before charging any battery.

So can anyone please point me at a data sheet for the “NAPA DIN65LHX MF 12v 710cca Premium Performance Battery” I bought or confirm its chemistry for me.

Thanks in advance.

Tech21

Oh well….. Apparently no one knows.

OK, thanks anyway.

Yes I have contacted NAPA and they just said ask the shop you bought it from, so they didn’t bother to read what I wrote.

Should have spent a few $'s more and bought a Century (Yuasa) battery which states quite clearly “Plate design: Silver Calcium”.