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[GMCnet] How to conect two 12 volt battery banks DROBO for batteries? [message #230717]

Thu, 21 November 2013 20:32

ljdavick

Messages: 3548
Registered: March 2007
Location: Fremont, CA

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Senior Member

Thinking about my Sister-in-law's off-grid home made me think of the GMC (it often does). Many on the list have multiple 12 volt battery banks that are connected in parallel. I know that paralleling batteries can be bad, so I began to wonder if any intelligent soul has developed a "combiner / isolator" that would allow all banks to act isolated 12 volt batteries - charge and draw power as needed, combining all banks when needed for big power draws. I can't be the first to think of this, but Google hides this secret from me.

It's analogous to computer hard drives in a storage array. Back-when, to make a terabyte array you would combine similar disks (same manufacturer, model, etc.), into a raid array to gain the capacity needed (excepting for the loss of the checksum data.) Drobo set the low-cost RAID world on it's ear by making a device that would take ANY SATA drive and allow you to toss it in the mix. As the array fills up you replace the smallest disk. I simplify, but you get the idea.

It seems to me this kind of device would be very practical when you want to add a bit more capacity without replacing the entire battery bank. It would also allow for old weak batteries to be used much longer as they won't draw down the other banks. Imagine the Ragusa trays filled with batteries. Aside from a 20,000 lb. coach it would be nice to boon-dock, or run a bigger inverter as needed.

Any thoughts about living HUGE in a GMC? Am I making too much of the paralleled battery issue?

Larry Davick
Fremont, California
A Mystery Machine
'76 (ish) Palm Beach
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy

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[Message index]

		[GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Thu, 21 November 2013 20:32
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: bwevers on Thu, 21 November 2013 20:53
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Thu, 21 November 2013 23:18
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Henderson on Fri, 22 November 2013 06:32
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 12:44
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 16:26
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 18:17
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Fri, 22 November 2013 19:00
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 19:37
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 20:06
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Fri, 22 November 2013 20:57
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: powerjon on Fri, 22 November 2013 23:32
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sat, 23 November 2013 00:22
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Sat, 23 November 2013 01:05
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sat, 23 November 2013 01:20
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Henderson on Sat, 23 November 2013 05:54
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sat, 23 November 2013 00:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Sat, 23 November 2013 03:17
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: bwevers on Thu, 21 November 2013 20:57
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: bwevers on Thu, 21 November 2013 21:11
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: tphipps on Thu, 21 November 2013 21:29
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bullitthead on Thu, 21 November 2013 23:31
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: appie on Fri, 22 November 2013 00:36
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 00:56
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 06:49
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: appie on Fri, 22 November 2013 08:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 08:46
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: appie on Fri, 22 November 2013 10:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 10:27
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Fri, 22 November 2013 10:38
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 10:53
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sat, 23 November 2013 01:29
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Fri, 22 November 2013 01:31
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 02:00
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Fri, 22 November 2013 02:15
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 02:50
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sat, 23 November 2013 09:31
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sat, 23 November 2013 10:08
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: WD0AFQ on Sat, 23 November 2013 10:58
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Sun, 24 November 2013 03:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Henderson on Sun, 24 November 2013 07:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 09:16
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 08:53
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Sun, 24 November 2013 09:33
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 10:06
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Sun, 24 November 2013 10:21
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 11:20
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Ken Burton on Sun, 24 November 2013 12:13
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO forbatteries? By: USAussie on Sun, 24 November 2013 15:11
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO forbatteries? By: A Hamilto on Sun, 24 November 2013 15:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: USAussie on Sun, 24 November 2013 15:49
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: A Hamilto on Sun, 24 November 2013 16:53
		Re: [GMCnet] How to conect two 12 volt battery banksDROBOforbatteries? By: USAussie on Sun, 24 November 2013 17:17
		Re: [GMCnet] How to conect two 12 volt battery banksDROBOforbatteries? By: A Hamilto on Sun, 24 November 2013 17:52
		Re: [GMCnet] How to conect two 12 volt battery banksDROBOforbatteries? By: Bob de Kruyff on Sun, 24 November 2013 22:10
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: roy1 on Mon, 25 November 2013 11:22
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO forbatteries? By: Matt Colie on Sun, 24 November 2013 19:05
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: USAussie on Mon, 25 November 2013 04:51
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: Matt Colie on Mon, 25 November 2013 09:14
		Re: [GMCnet] How to conect two 12 volt battery banks DROBOforbatteries? By: Ken Burton on Mon, 25 November 2013 10:11
		Re: [GMCnet] How to conect two 12 volt battery banksDROBOforbatteries? By: USAussie on Mon, 25 November 2013 16:11
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sun, 24 November 2013 10:53
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 11:28
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sun, 24 November 2013 11:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sun, 24 November 2013 11:39
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Mon, 25 November 2013 01:58
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Fri, 22 November 2013 09:49
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Mr ERFisher on Fri, 22 November 2013 02:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Fri, 22 November 2013 03:04
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Steve on Fri, 22 November 2013 20:47
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Fri, 22 November 2013 20:53
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sat, 23 November 2013 09:37
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Sat, 23 November 2013 10:39
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sat, 23 November 2013 11:09
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sat, 23 November 2013 01:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Sat, 23 November 2013 23:27
		Re: [GMCnet] How to connect two 12 volt battery banks or 2 - 6 volt banks. By: mickeysss on Sun, 24 November 2013 02:02
		Re: [GMCnet] How to connect two 12 volt battery banks or 2 - 6 volt banks. By: Matt Colie on Sun, 24 November 2013 10:32
		Re: [GMCnet] How to connect two 12 volt battery banks or 2 - 6 volt banks. By: Ken Burton on Sun, 24 November 2013 10:37
		Re: [GMCnet] How to connect two 12 volt battery banks or 2 - 6 volt banks. By: Matt Colie on Sun, 24 November 2013 10:57
		Re: [GMCnet] How to connect two 12 volt battery banks or 2 - 6 volt banks. By: Ken Burton on Sun, 24 November 2013 11:04
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Sun, 24 November 2013 12:23
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Mon, 25 November 2013 01:45
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Mon, 25 November 2013 10:17
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Mon, 25 November 2013 10:29
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Bob de Kruyff on Mon, 25 November 2013 10:31
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Mon, 25 November 2013 10:36
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Mon, 25 November 2013 10:26
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Mon, 25 November 2013 15:51
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Carl S. on Mon, 25 November 2013 20:15
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Mon, 25 November 2013 20:29
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Mon, 25 November 2013 20:51
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Carl S. on Mon, 25 November 2013 21:18
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Tue, 26 November 2013 01:56
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Tue, 26 November 2013 02:07
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Mon, 25 November 2013 22:11
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Tue, 26 November 2013 01:37
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Carl S. on Tue, 26 November 2013 09:13
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Mr ERFisher on Sat, 30 November 2013 13:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Gary Bovee' on Sat, 30 November 2013 14:26
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sun, 01 December 2013 14:58
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Sun, 01 December 2013 15:00
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mike miller on Mon, 25 November 2013 19:25
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: rallymaster on Mon, 25 November 2013 19:41
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Mon, 25 November 2013 22:04
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Craig Lechowicz on Tue, 26 November 2013 09:36
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: mickeysss on Tue, 26 November 2013 11:37
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Chr$ on Sun, 01 December 2013 09:30
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sun, 01 December 2013 11:01
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: A Hamilto on Sun, 01 December 2013 14:35
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: ljdavick on Sun, 01 December 2013 16:52
		Re: [GMCnet] How to conect two 12 volt battery banks DROBO for batteries? By: Matt Colie on Sun, 01 December 2013 17:29

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