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Old 10-11-2019, 03:05 AM   #11
autostaretx
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Default Re: how long can I run the refrigerator an/or Fantastic Fan on House battery

How much does the battery weigh? That can also be a guide to capacity.
the "RC 175" is "reserve capacity 175 minutes.

A quick googling says " This is the number of minutes a fully charged battery at 80F will discharge 25 amps until the battery drops below 10.5 volts. An amp hour (AH) is a rating usually found on deep cycle batteries."

So 175 minutes is very close to 3 hours, so that says 25*3= 75 amp hours.

Typical automobile starter battery ... your Sprinter has a 95 AH starter battery.


--dick
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((as always: this post may go through a couple of post-posting edits... so maybe give it ten minutes before commenting))
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Old 10-11-2019, 03:35 PM   #12
Geriakt
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Default Re: how long can I run the refrigerator an/or Fantastic Fan on House battery

Quote:
Originally Posted by bcolins View Post
Yes, prior comments got me pointed in that direction. The current battery was installed by the prior owner,.....the same one that blew a radiator hose and kept driving until the engine gave up.

So, deep cycle or maybe Lithium batteries are on the list for my solar build.

Brian
IMO go with Li Ion if you can afford the upgrades. You may need to upgrade the charger too.
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