On Thu, 30 Mar 2006 06:37:22 GMT, George wrote:

I bought a new 12V battery for the riding lawnmower.
Put it on the charger for a day and the voltage was 13.8 while on the
charger Removed from the charger and the voltage drops to 12.72.
The battery cables were disconnected.
Is this OK for a new battery?
Thanks

Absolutely.

While on the charger the charger determines the terminal voltage. The
instant you take it off, it starts dropping (exponentially) until it
reaches its "resting" voltage.

I use 12.5 for a normal battery that has been resting for a day or so
as normal - but all batteries are a little different. A few tenths of
a volt may be normal.

You are good to go. If it is 12.00 volts after a good charge and a
day later, I'd worry about it
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