Actually, Norm, I believe the correct abbreviation is "aH" - I think <g>....
I think the reasoning is the same as why kilowatt hours and kilowatts are
shortened to "kWh" and kWh"....
But I think all are acceptable....
And my spellchecker just confirmed that, for whatever that's worth.
Steve Weinstein
S/V CAPTIVA
1997 Hunter 376, Hull #376
Sailing out of Oyster Bay, NY
All outgoing mail protected by VIPRE A/V
----- Original Message -----
From: Norm of Bandersnatch
To: [email protected]
Sent: Saturday, November 15, 2008 10:26 AM
Subject: Re: [Liveaboard] Battery Discharge Depth
They (Home Power magazine) say for the best longevity/usefulness discharge
deep cycle batteries no deeper than 50% of the battery bank's rated capacity
and the less the better.
There was a report from a submariner on the List that the manufacturer of the
batteries in his submarine specified that the batteries be discharged to a
certain point and recharged periodically if they were not done so by
operational activities.
I use an E-Meter, a round (about 2"), Amp hour meter that can show Volts,
Amps, Amp hours, and percent discharge. I made a hole in my Trace front panel
and mounted it there.
Question: I know we capitalize Volt, Ampere (and Amp), Watt, Ohm and Hertz
because they are people's names, so shouldn't Amp hours be Ah, not AH as we
usually do? I use DCV and acv like that because that's what they do in Home
Power magazine.
Norm
S/V Bandersnatch
Lying Julington Creek
30 07.695N 081 38.484W
----- Original Message -----
From: Lee Haefele
To: [email protected]
Sent: 11/15/2008 9:45:11 AM
Subject: Re: [Liveaboard] Electrical systems install
If you run your batteries all the way to dead, you will shortly need new
ones. I know a standard car battery is ruined in about 3 total discharges.
Suggest installing a battery monitor, so you know when to charge and when it is
economical to stop.
Lee Haefele
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