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Old 09-23-2016, 12:16 PM   #1
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T-105 vs t-145

After alot of "analysis paralysis" I have decided to replace the house batteries with Trojan. My question is are the 145s worth the added expense versus the 105s? The local golf cart guy said that the whole "cycle" thing means very little in comparison, in his application, and that he would go for the 105s. I have read that 105s average 1100 cycles while the 145s average half that. I have not removed the old batteries but it appears as though the extra height would not be an issue in my 40fdqs battery bay. We do our share of "dry camping", if that makes a difference. Any input, ideas or suggestions would be greatly appreciated. Its all so confusing.
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Old 09-23-2016, 12:20 PM   #2
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Quote:
Originally Posted by swprdog View Post
After alot of "analysis paralysis" I have decided to replace the house batteries with Trojan. My question is are the 145s worth the added expense versus the 105s? The local golf cart guy said that the whole "cycle" thing means very little in comparison, in his application, and that he would go for the 105s. I have read that 105s average 1100 cycles while the 145s average half that. I have not removed the old batteries but it appears as though the extra height would not be an issue in my 40fdqs battery bay. We do our share of "dry camping", if that makes a difference. Any input, ideas or suggestions would be greatly appreciated. Its all so confusing.
I would say go with the T-105s unless you need or want the extra amps the T-145s provide.
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Old 09-25-2016, 09:49 PM   #3
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Welcome to iRV2! What coach do you have? If you can, add info to your signature line.
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Old 09-26-2016, 03:33 AM   #4
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As to the number of cycles, Trojan published this in their documentation. Compare there.

As for the added battery capacity, if you dry camp it can be of benefit. If no or limited dry camping the T105 would be the better choice.
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Old 09-26-2016, 11:37 AM   #5
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Hey, finally a question that I have intimate knowledge of. I was an engineer for Trojan for three years and worked with nearly all of their products a lot. First off, I worked in the area where Trojan not only cycled all of their own batteries, but also the competition. Trojan always come out on top for total cycles, and I mean always. Maybe not the least expensive, but the best in my opinion.


I would go with the T105 only because it appeared to be under rated for reserve minutes more than the T145, therefore the difference in the two batteries are not as great as it may seem.


I also like the extra water/acid in the T105 so you can go a long time without having to fill them up with water.


These statements of course very with rate of discharge, depth of discharge, type of charger, and frequency of cycles.
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