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Old 04-30-2016, 10:12 AM   #1
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Installing 2 6-volt batteries

There is a shallow plastic tray under the Group 24 batteries I'm taking out. My new T-105 6-volt batteries won't quite fit in the tray. Is the tray absolutely necessary and/or is it bad to have the new batteries sitting directly on the metal bottom of the battery box?
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Old 04-30-2016, 10:16 AM   #2
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Lose the tray. It is not needed.


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Old 04-30-2016, 10:19 AM   #3
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Some people add a two or three inch extension to the top of the box.

This is mine, made with 2 inch aluminum C-channel screwed to the box. Plenty of room for the taller batteries with a bit of extra room. I removed the tray and cut a piece of thin rubber mat that I had to fit. The plug is for 12 volt accesories or plugging in my Solar suitcase panels.
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Old 05-03-2016, 03:01 PM   #4
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New T105 Batteries

For those of you looking at 6 volt T105, Trojan now makes a new model called the T105RE. It has "Smart Carbon Technology" which basically adds some carbon panels inside the battery. They have a larger terminal which add about 1/2 inch to the top.

Normal T105 warranty is one year unlimited and one year prorated. T105RE is 2 years unlimited and 5 years prorated and is expected to last 10 years with excellent performance.

The new battery is more expensive but should pay for itself and more.
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Old 05-04-2016, 11:42 AM   #5
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Quick question: Will these 6 volts get along with the PD4655 charger?
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Old 05-04-2016, 12:09 PM   #6
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Quick question: Will these 6 volts get along with the PD4655 charger?
Yes, I recently installed a PD4655 and am considering 6V batteries. Are these compatible?
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Old 05-04-2016, 12:38 PM   #7
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Yes, you wire the 6v batteries in series instead a parallel it "sees" them as a 12 v battery...My PD4655 works GREAT with the Lead/acid 6v pair.
Russ
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Old 05-04-2016, 12:40 PM   #8
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Same Question? Only a PD4645.
Thanks,
Jay
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Old 05-04-2016, 12:59 PM   #9
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I replaced my controller with the PD4655 but the batteries were already shot by the previous owner in only 4 or 5 months. Can't make up my mind as to adding solar as a lot of my camping will be in the forests. Think maybee a Zamp 200 watt panel would be a better option as trailer in shade and solar in sun. No holes to drill and installation expense of fixed panels, however a mix of both may be in the future.

Would be interested to see hat Rrroberts40 is doing as his is similar to my trailer.

Dave
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Old 05-04-2016, 01:09 PM   #10
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Originally Posted by NoResults View Post
I replaced my controller with the PD4655 but the batteries were already shot by the previous owner in only 4 or 5 months. Can't make up my mind as to adding solar as a lot of my camping will be in the forests. Think maybee a Zamp 200 watt panel would be a better option as trailer in shade and solar in sun. No holes to drill and installation expense of fixed panels, however a mix of both may be in the future.

Would be interested to see hat Rrroberts40 is doing as his is similar to my trailer.

Dave

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Old 05-04-2016, 02:34 PM   #11
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Used to be a belief that the surface of a battery would conduct low level current to any ground source. Hence the advice to not store a battery directly on concrete, which can absorb moisture. A tray provides insulation from such current leakage, if you believe such is possible. However, I always believed that the primary purpose of a tray was to capture any spillage of acid.

Is it a terrible mistake to ditch the tray.? Likely not. A new battery box is not a significant expenditure. Is it a good idea to install a tray? Likely it is. However, a good coat of acid resistant paint might be any acceptable alternative that is less problematic to implement.

Thanks for posting the issue. I had not given it much thought. Pat
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Old 05-04-2016, 05:07 PM   #12
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If the tray is removed, will the 2 6v batteries fit? ...or is box modification, as shown in the photo, necessary with the T105 Trojan batteries?
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Old 05-04-2016, 05:14 PM   #13
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Please post

Lew, can you post some schematics on how to wire two 6 volt batteries in replacement for the Group 27 batteries.

Thanks



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Lose the tray. It is not needed.


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Old 05-04-2016, 05:21 PM   #14
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If the tray is removed, will the 2 6v batteries fit? ...or is box modification, as shown in the photo, necessary with the T105 Trojan batteries?
The Trojans are almost Two inches taller. They would not fit in my box without the extension.
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