RM> This could have a long-term effect on the batteries. Sucking 3
RM> amps or so out of 3 cells while leaving the others alone will
RM> get the "others" regularly overcharged, chewing up water if
RM> they're ordinary car batteries with fill-up holes, or
RM> shortening their life if they're sealed. The sucked cells will
RM> be charged to a lower max voltage, because the "others" voltage
RM> will be higher, so the sucked cells won't get fully charged.

 Chargers tend towards constant current rather than constant voltage,
so all cells will end up fully charged regardless (that's why they
use constant current). So long as you keep the charging current
to the recommended value, it won't damage the other cells. You're
right about the extra gassing, but I never add water to my batteries
anyway. Use them, abuse them, and then buy a new one works okay for
me.

 3 amps is a light load, and I don't believe that a DVD (or VCR) uses
that much current anyway (once it's running).

Regards,
Bob


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