Forum: Tweaks, Mods & Projects
07-22-2014, 09:39 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
When you put a load on them when cold,they warm up. They also hold voltage @ around 13.8v so most everything using a motor runs better. Starters spin faster etc...
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Forum: Tweaks, Mods & Projects
07-18-2014, 05:24 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
This place will make you a custom battery or you can assemble on yourself.
https://www.lithiumbatterypack.co/Batter ... _c_94.html (https://www.lithiumbatterypack.co/Batteries--Prismatic_c_94.html)...
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Forum: Tweaks, Mods & Projects
07-17-2014, 04:13 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
Seems the chinese are buying up the battery businesses and technology, A123 systems was bought by the chinese after it was bailed out by our tax dollars. Maybe we will get cheaper cells soon.
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Forum: Tweaks, Mods & Projects
07-17-2014, 04:09 PM
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Replies: 30
Views: 13,175
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Forum: Tweaks, Mods & Projects
07-17-2014, 02:26 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
Lithium Ion Batteries are quite expensive and are an upgrade for RV batteries. They are a fraction of the weight, last multiple times longer and can be drawn down much lower than a lead acid without...
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Forum: Tweaks, Mods & Projects
07-17-2014, 12:46 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
Searching for 12v dc ac's ended up looking at chinese and asian mfg ads then using the description to find a vender.The Autoclimia italian AC distributer is chinese made along with most other ac's. I...
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Forum: Tweaks, Mods & Projects
07-17-2014, 02:46 AM
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Replies: 30
Views: 13,175
Re: 12v A/C system
I looked into those and almost bought (pretty inexpensive) one until I started finding 12v DC units online under $1K. Cruisencomfort in Az is developing a new 12v DC A/C for cars and RVs, a little...
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Forum: Tweaks, Mods & Projects
07-16-2014, 11:02 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
I'm going minimal,simple and light, Catalytic Heater,12v /120 fridge,portable oven cooktop, led, no shower,portapotty, laptop instead of a tv which can be charged and run on usb power so I won't...
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Forum: Tweaks, Mods & Projects
07-16-2014, 09:51 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
I'll have the 220 amp van alternator, my 1000watt honda, or shore power. I just want to be able to run the ac sometimes without a generator or shore power at rest stops or when I want quiet. I would...
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Forum: Tweaks, Mods & Projects
07-16-2014, 09:11 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
Autoclima Fresco 3000, 3250 btu, small but only 16-30 amps 12v dc max. They have larger units but that means more batteries and solar. I figure with better insulation, less window area I can get by...
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Forum: Tweaks, Mods & Projects
07-16-2014, 07:24 PM
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Replies: 30
Views: 13,175
Re: 12v A/C system
With a 12v dc A/C, no inverter, less batteries, less solar to make up for the inverter efficiency loss. I figure during sunlight, the ac will be running mostly on the solar, 200 ah of lipo batteries...
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Forum: Tweaks, Mods & Projects
07-16-2014, 12:05 AM
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Replies: 30
Views: 13,175
12v A/C system
Planning for a class b build and looking at options for A/C while boon docking. There are 12v DC A/C units out there, 35-45 amps. If I had 200 AH lipo batteries plus 500 watts of solar on the roof I...
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