On Thu, 09 Oct 2003 01:18:52 -0400, Joe Here wrote:

On a trickle charger, if you were to connect an IC
that limits the voltage to 12 Volts only ( LM12 ) could you
leave the charger on indefinately without damage to the battery?

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What we are really talking about here is the so called "float" voltage
where a battery can be kept at full charge while under no load. Float
voltage is normally specified in the range of 13.2 to 13.4 volts
depending on temperature and battery type. Anything higher will boil
off the battery over time.