On (24 Nov 97) Mike Ross wrote to Ian Woofenden...
MR> Cyclically for a 6 cell battery a constant voltage charge at
MR> 14.6 to 15.0 volts with an initial current 40% or less of
MR> rated capacity is recommended. A trickle charge is done at
MR> between 13.6 and 13.8 volts. For example cars trickle charge
MR> at 13.8 volts. Finally a constant current charge is done at
MR> 10% capacity. These values will vary with temperature and
MR> could require compensation.
Thanks. And what voltages do you hit for equalization?
MR> However, the PV voltage can be much lower than the battery
MR> charging voltage if one is willing to accept some loss by the
MR> use of a switching power converter.
Not necessary, AFAICS, since PV voltages are not lower...
Ian
... $10 charge for putting up with grouchy, irritable or rude people.
... "Entertain yourself watching electric-powered television and each watt
hour
is counted. Take a walk with your 35-watt solar powered dog, and your
ctivity
has vanished from the view of the statisticians." - Steve Baer
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