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New Batteries

 
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MajorWilson



Joined: 26 Sep 2005
Posts: 236
Location: Peoria, AZ

PostPosted: Fri Apr 28, 2006 11:42 am    Post subject: New Batteries Reply with quote

Tom,
I saw on the EVDL that you were looking into new batteries for your E-10. Have you found any bad bats yet or have you considered going with Nicad in it? I was considering Nicad for my next set if I ever get around to needing one soon. Since I have been putting on between 300 - 400 miles per month I wondered just how long my batteries will last. I like the range I'm getting but some days I could use a little more. Wonder what the Nicads will cost for 24 of them?

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Jeff Wilson
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ThomasHudson
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Joined: 26 Sep 2005
Posts: 130
Location: Port Washington WI

PostPosted: Fri Apr 28, 2006 3:54 pm    Post subject: Reply with quote

Man, talk about a sore subject right now...

I have a new set of Interstate batteries in the E-10 -- I just installed them last week. They're AGMs instead of the gels I've had in there before. I don't know what the story was on the set that was in there, but for some reason they were total trash. We put them in last year and during the break-in period my wife drove the truck pretty hard, forgetting we were supposed to take it easy on them, and ended up with the truck coming home with very limited power. We charged it up and after that it wasn't doing so great. I put it on the charger one day in February and the charge never terminated. About 9 hours after starting the charge, I walked out in the garage and the charger was still going -- Not good.

I did some checking with my charger logging software and found that the batteries were acting really strangely under charge, bouncing back and forth between the bulk and overcharge phases. Looking at each battery individually, I could see that something had messed all of them up, probably the hard usage during break-in.

So I decided to look at replacement options and opted for a set of Interstate DCS-75BT. They are group 24 (same as the gels) and they're AGMs, meaning they're a bit more forgiving than gels and don't need the initial breakin period, which is a plus.

The only worrying issue I saw on them is that while they're group 24 form factor, the top plate of the case is about 1/4" larger than the gels! That's kind of annoying, since the gels barely fit in my truck's rear box. And the specs call for 1/2" spacing between batteries, meaning I would have to make some changes because with the bigger case and spacing, I could only fit 15 in the rear box instead of 18.

Fitting 15 in the rear was fine because I could easily add the 1/2" spacing but I had to figure how to fit three more up front. I did this by modifying the battery box cover and adding a second layer of three batteries on top of it. I'll post photos when I get a chance.

We took the truck out for a 34-mile drive the other day to run down to a garden center and it worked great -- The voltages held nicely and it was really good to get the truck back on the road.

NOW for the real sore subject... The Nicads. I'll put that in a separate message later -- Gotta run right now.



Interstate DCS-75BT.pdf
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PDF documentation for Interstate DCS-75BT

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 Filename:  Interstate DCS-75BT.pdf
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Tom Hudson
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terryjm1



Joined: 27 Sep 2005
Posts: 119
Location: St. Louis, MO

PostPosted: Wed May 03, 2006 4:46 pm    Post subject: Reply with quote

Hey Tom,

What did the Interstates cost you?

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Terry Merrell
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ThomasHudson
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Location: Port Washington WI

PostPosted: Wed May 03, 2006 8:23 pm    Post subject: Reply with quote

They were $123.36 each.
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