tomhanaway
Joined: 12 Aug 2006
Posts: 111
Location: Murphy, NC
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 Posted: Tue Nov 24, 2009 10:36 am Post subject: backup battery connected to two units |
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Bob,
Hope this comes through ok. This is a backup battery assembly for a trutrak ADI. Pins 1 and 6 are hardwired for normal operation. Pin 8 is switched on for backup battery. Switch illuminates in backup position.
I’d like to attach a second instrument (nominal draw of 0.45MA (at) 13.8 v illuminated) to take advantage of the availability of backup.
I understand and am not concerned about reduction in overall time of operation of backup if both units are on.
Can I just run the white/red power output to both units?
Do I need diodes in line with each unit in case one fails?
Other alternative arrangement?
Thanks in advance,
Tom Hanaway
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