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Really really big battery
Posted: Thu Feb 12, 2004 9:46 am
by Nitrofox125
Does anyone know where I can find really really big batteries for sale? By big I mean 250-750AH sustained output for 24+ hours.
Thanks
Posted: Thu Feb 12, 2004 1:18 pm
by Warlock
0_o
well u can try makeing one big ass limmon batt
Posted: Thu Feb 12, 2004 1:51 pm
by Floyd
such phat accus are used for space travel. ask NASA for their dealer
or email the big companies that produce industrial stuff.
Posted: Thu Feb 12, 2004 2:00 pm
by Richard Cranium
but could you cough up that much $$$ for it and the charging time would be long too. What do you need it for?
Posted: Thu Feb 12, 2004 2:02 pm
by ouch
Well either you are asking about Amps and Hours at a certain voltage or you are asking AH (Amp-Hours) at a certain voltage. So what voltage is that? 12VDC?
What you are looking for is a battery array and charging controller. Look at maybe home/commercial solar equipment.
I don't think one battery will do. What are we doing?
Posted: Thu Feb 12, 2004 2:05 pm
by Richard Cranium
Ya, this is sort of what I was getting at. Whats the application, voltage, current? Don't forget... E=I*R and P=I*E
<BLOCKQUOTE><font size="1" face="Arial">quote:</font><HR><font face="Arial" size="3">Originally posted by ouch:
<b> Well either you are asking about Amps and Hours at a certain voltage or you are asking AH (Amp-Hours) at a certain voltage. So what voltage is that? 12VDC?
What you are looking for is a battery array and charging controller. Look at maybe home/commercial solar equipment.
I don't think one battery will do. What are we doing?</b></font><HR></BLOCKQUOTE>
Posted: Thu Feb 12, 2004 3:39 pm
by Sarge
I didn't look around, but you can try here...
http://www.thomas-distributing.com
Posted: Thu Feb 12, 2004 4:05 pm
by ouch
Posted: Thu Feb 12, 2004 4:19 pm
by Sarge
Try someplace that sells UPSs, like Powerware.
Posted: Thu Feb 12, 2004 5:27 pm
by Nitrofox125
Yes, this is actually for a project. "Money is no object" so cost doesn' t matter.
This would be basically the same for a home solar array, but this would be for a home tidal generator
Ever seen these? Pretty sweet:
www.engb.com/Pages/demo.htm
We started, and found out that one produces 90-250kW. So then we went about figuring out how much it takes to power one home, and we figure out it's only 1.25 kW!!!! So we can power 200 houses
But I'll check into that stuff, thanks.
Posted: Thu Feb 12, 2004 7:27 pm
by Sarge
You know, Fork Lifts use really REALLY big batteries.
Posted: Thu Feb 12, 2004 8:31 pm
by roid
i always thought that solar systems used arrays of car batterys (well, prolly not exactly car batterys, but they look like car batterys).
hey how about a big flywheel?
this aussie invention that has me amazed is a roadtrain-truck that uses a huge flywheel to store power (down hills etc blah) instead of brakes, and it works supposedly quite well and they are now doing deals with teh trucking industry. imagine the weight and speed of that flywheel, damn if that thing exploded it would look SO COOL!!!