cart trouble

[randyjbraud]

i have my ez go cart batteriers were a year old couldnt and couldnt make 36 holes on one charge brought to a shop change batteries and cables same thing where to go from here

[AzPete]

What model and year cart?

How is the battery water level?

What is the voltage after a full charge?

What is the voltage after charging and leaving it sit for a few hours?

Can you move the cart by hand pushing it....brakes dragging?

[randyjbraud]

dont know have to check think the year is 2003 the batteries or full and brand new a week old the place said voltage was all good i will try pushing it to see if brakes dragg the shop said everything checked out with batteries can it be something else

[AzPete]

Motor could be going bad.....drawing more current than needed.

Until the voltage numbers of each battery plus the overall voltages are known, I would not trust ANY shop that told me "they are all good". One bad battery will kill the operation quality of the entire pack.

[randyjbraud]

thanks for your help i will check them

[randyjbraud]

this weekend i will get single voltage and overall voltage and check to see if brakes drag model # and year i work late during the week hard to do everything thanks again for helping

[AzPete]

Do a full charge of the batteries and let them sit for a bit. About an hour after charging and no use, take individual battery voltage readings and then the full pack voltage reading.

[JohnnieB]

FWIW: New batteries need to be fully charged prior to first use and must be properly broken in to obtain maximum storage capacity.
No matter what the battery seller says, charge them!
Remember, he's in business to sell batteries.

Sounds like it's too late to fully charge your batteries before use, but it's not too late to break them in properly.

Here's how to do it:
http://www.cartsunlimited.net/Batter...n_Methods.html

While on the site, read everything with the word "Battery" in the title.

The batteries are the heart of the system, so let's found out what yours are doing (as AzPete said) and then we'll go on from there.

[randyjbraud]

the batteries were fully charged before use i have the paper that tells me how to take care of them and im followin it to a tee i havent had i chance to to run it then fully charge and let sit for a hour but i did have it fully charged and it sat about 24 hrs overall volts showed 38.07 and each one by itself read 6.342 to 6.345 all were inbetween those numbers im at work but tomorrow i will work on it and again thanks for yall help i dont think i have a battery problem its something else

[JohnnieB]

At 38.07V after 24Hrs, indicates about a 95% SoC, which sounds a bit low for new batteries, but probably ought to go 36 holes without any problems.
They also appear to be well equalized, with only 0.003V between highest and lowest.

Now the question is, what is the battery voltages after 18 holes and after 36 holes?
If it is well above 50% Soc (36.3V pack and 6.05V +/- 0.1V each) the problem is elsewhere.

What size tires?
18" is stock.