I need to get some rechargeable batteries for powering an art exhibit. The
batteries are powering six constantly on sensor units which each draw 16 mA,
and which occasionally cause small relays to be triggered. The exhibit needs
to be able to operate without power problems for 8 to 10 hours, and can be
recharged at night. Not sure whether nicad or lead acid batteries or
some-other are the most suitable. Would appreciate an outside opinion.. Am
slightly worried about high current possible with lead acid batteries could
somehow fry my electronics, but am also worried that nicad batteries won't
last long enough, or that they will suffer from 'memory effect' and leave
the exhibit conked out in the middle of the day.
Any thoughts?


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