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Unread 01-03-2019, 09:49 AM   #1
Gone Wild
 
Join Date: May 2016
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Default Battery AMP Hours for zone cu-6 cart

I am putting batteries in a zone cart, model C-zone CU-6. Can someone tell me what amp hour batteries came in and is recommended for this.

It is a 48 volt A/C drive. I am hoping t-875 or equivalent will be sufficient.

Update. Just found a spec sheet ( http://cttev.com/c-zone/) that says it came with a 249 AH battery. Neither trojan or crown have a GC battery with that many AH, if that is correct, I would have to go up to an industrial type batt.

However, spec sheet also says controller is 4.3 KW, which at 48 VAC 3ph would be around 50 amps at full load. If that is the case, seems like the T-875, while marginal, might be Ok.

Of course I am leery of all published zone carts specs (not to mention zone carts in general, LOL) so I was hoping to get some feedback with someone who is experienced with this.
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Unread 01-03-2019, 03:33 PM   #2
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Default Re: Battery AMP Hours for zone cu-6 cart

That appears to be a fairly heavy cart (thinking over 1000 lbs without batteries) that can take a pretty good payload (1300 lbs from spec sheet).

What type of batteries are in it? The spec sheet indicates BV (249 AH) x 6 - they look like a type of AGM battery from the photo on the website.

I am thinking that you would be disappointed in the run time with T-875's at 170 AH. You might want to upgrade to Trojan's highest rated 8 volt - the Ranger 160 at 204 AH ... which are still a bunch smaller that the 249 AH batteries mentioned in the spec sheet.

The only other way to get that kind of Amp Hours in a lead acid battery is to go with 8 pieces of 6 volt batteries ... which you may not have room for.

Perhaps a double pack of lithiums is another way to go.

Trojan Golf Cart Batteries Specs.JPG
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Unread 01-03-2019, 04:14 PM   #3
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Default Re: Battery AMP Hours for zone cu-6 cart

Quote:
Originally Posted by ThreeCW View Post
That appears to be a fairly heavy cart (thinking over 1000 lbs without batteries) that can take a pretty good payload (1300 lbs from spec sheet).

What type of batteries are in it? The spec sheet indicates BV (249 AH) x 6 - they look like a type of AGM battery from the photo on the website.

I am thinking that you would be disappointed in the run time with T-875's at 170 AH. You might want to upgrade to Trojan's highest rated 8 volt - the Ranger 160 at 204 AH ... which are still a bunch smaller that the 249 AH batteries mentioned in the spec sheet.

The only other way to get that kind of Amp Hours in a lead acid battery is to go with 8 pieces of 6 volt batteries ... which you may not have room for.

Perhaps a double pack of lithiums is another way to go.

Attachment 180157
Currently the cart has 6 6 volt batteries, interstate 2200. Definitely not room for 8-6's. The controller is rated 36 or 48 volts, I think those were put in just to make it run in order to sell.

If I am doing the math and physics correctly, it looks like the t-870 would yield about 2 hours at full load. BTW, this is not my cart, just trying to help someone else
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Unread 01-04-2019, 01:18 AM   #4
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Default Re: Battery AMP Hours for zone cu-6 cart

Find attached some Trojan literature that compares the run time of the Ranger 160 vs. the T-875 at a 56 amp draw that might help you with a battery decision.

It will all come down to the actual amperage draw and the run time required.

You might want to borrow a clamp on amp meter to determine the actual amperage draw using the existing 36 volt pack (freshly charged) and use that for sizing the 48 volt pack.

Another factor to consider is the 6 V Interstate 2200 batteries are rated at approx. 230 amp-hrs (I believe) ... lots of factors to consider here. Still thinking that the T-875's could be light in amp-hrs.

Trojan Ranger 160 Run Time at 56 amps.JPG

Trojan Ranger 160 vs T-875.JPG

IMG_7738.jpg
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