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Old 08-12-2015, 11:41 AM   #1
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Baystar Battery Modifications

Has anyone replaced the standard 12 volt series 24 batteries in a Baystar 2903 or 3209 with 2 6 volt batteries? If so, did you have to modify the wiring? At a glance it appears the stock wiring may not be long enough for the taller batteries.
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Old 08-12-2015, 12:39 PM   #2
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Quote:
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Has anyone replaced the standard 12 volt series 24 batteries in a Baystar 2903 or 3209 with 2 6 volt batteries? If so, did you have to modify the wiring? At a glance it appears the stock wiring may not be long enough for the taller batteries.
Haven't done it, but I have been looking at 6 volt battery specs and I like what I see. How big are you thinking of going?
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Old 08-12-2015, 12:45 PM   #3
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Check out this thread for how one person put 4 batteries in a 2903 Bay Star
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Old 08-12-2015, 03:55 PM   #4
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Similar to a Trojan T105 which is 10.88" tall vs 9.25" for a 12 volt series 24
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Old 10-20-2015, 02:00 PM   #5
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Hookup,

Have you converted to Trojan T-105s? If I am doing the math right they are around 1/4" wider. Need to look and see if the current battery tray could handle that. Have you checked out if they will fit?
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Old 10-20-2015, 02:21 PM   #6
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Look in QT's # 3 Bay Star section you may find some answer there.
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Old 10-20-2015, 02:35 PM   #7
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Not yet... But my next significant upgrade is a pair of 6V Lifeline GPL-6CT AGM's.

Looks like they will fit in the existing bracket, just going up a bit higher.

I think I'll have to upgrade the charger, though. The Technical Manual says to charge at C/5 minimum and UP TO 5C (yikes). So I'd need at least 60A for this setup.
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Old 10-20-2015, 03:16 PM   #8
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Replaced with 2 Trojan T145 with 260 amps. Lots of room and wiring ok.
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Old 10-20-2015, 06:16 PM   #9
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I'd be interested in the Trojan 6v's as well. As of right now I have the dealer installed Interstates. Not sure of the AH rating,but I know the Trojans are far superior...however the batts in my 3401 are in the engine compartment. Where are they located in these other models?
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Old 10-21-2015, 10:42 AM   #10
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Has anyone replaced the standard 12 volt series 24 batteries in a Baystar 2903 or 3209 with 2 6 volt batteries? If so, did you have to modify the wiring? At a glance it appears the stock wiring may not be long enough for the taller batteries.
I chickened out and went with 2 stock series 24, 12 volts. Upon installing them I could see that the existing wiring would work fine for 2 6 volts. Next time I will be installing 6 volt batteries for sure.
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Old 10-21-2015, 11:52 AM   #11
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I'd be interested in the Trojan 6v's as well. As of right now I have the dealer installed Interstates. Not sure of the AH rating,but I know the Trojans are far superior...however the batts in my 3401 are in the engine compartment. Where are they located in these other models?
They're in the engine compartment as well, someone had a great post showing how they had a larger tray made to accommodate 4 batteries in that location: http://www.irv2.com/forums/f103/four...-a-258522.html
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