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Unread 03-26-2011, 01:37 PM   #1
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Default How many hours

Just wondering how many hours most can get out of a 48 volt cart after full charge with pq motor ? Or miles ?
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Unread 03-26-2011, 02:27 PM   #2
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Default Re: How many hours

i beleive the average is 20 to 22 miles between charges not sure about hours i think i read 2 hours somewheres......................
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Unread 03-26-2011, 03:39 PM   #3
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Default Re: How many hours

Actual run Time? The question comes up often enough that I copied this answer from Rabbit, I thought it was a good one....

(It is) not possible to say the actual drive time. When we dealers test batteries, we use a discharge machine that takes the batteries from a full charge down to the shutdown voltage of the cart (for example, on a 36 volt system, the cart is considered in "shut down" at 32.5 volts on the pack under load). The length of time it takes do do this, coupled with the ambient temperature, gives us a rough idea of the life of the battery pack (as well as points out any bad batteries in the pack). As a general rule of thumb, any discharge time above 80 minutes is considered fair, above 90 is considered good, and above 100 is considered very good. A brand new set, properly charged and broken in should discharge at approximately 110 minutes.

The reason I gave all that information is that during "normal" operation, you are not actually running with the pedal down for 5 hours. If you were to start out and run full pedal down without let-up, the batteries should last roughly the same as a "discharge test"
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Unread 03-26-2011, 05:14 PM   #4
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Default Re: How many hours

The main thing is to NOT DISCHARGE YOUR PACK BELOW 50% ( BETTER YET 75% ), unless you want to be replacing $400-$900 worth of batterys real soon.
Also SCOTTYB's post is correct to a point, but does not take into the formula for each degree of grade you are climbing, efficiancy of controls, motor condition, wheel bearings drag, brake drag, load of passengers, wind resistance, speed, etc , etc ,etc.
If you want to go as far as possible, start by removing top, windshield, any extra seats, golf bag holders, tires as narrow as possible to cut tread contact, tires inflated to rock hard, hub caps removed, 10 weight OR LESS motor oil in differential, wheel bearings packed with small amount of vasilene, any thing that is extra beyond stock removed like HD springs, brakes adjusted free wheeling, strip to shorts, no shoes, laying down over steering wheel, no beer for at least three days before run made, cart body waxed, MAYBE EVEN HAIR REMOVAL AND BODY WAXING, select morning with no wind, batterys on charger until start of run, running at most battery saving speed, etc.
These are just some examples of what auto manufacturers do before rating the MPG for advertising purposes. EXTREME YES
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Unread 03-27-2011, 08:00 AM   #5
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Default Re: How many hours

As Old MEC said, there are many variables that affect range directly related to the cart. One thing I did not see mentioned is configuration of battery pack. 4-12v batteries will not go as far as 6-8v batteries which will not go as far as 8-6v batteries.

I have driven my '02 CC series over 50 miles one day. This was a test, this is not normal, long time to sit in a cart . Not steady, drive to a place, eat, drive to another to visit, etc..... At the end of the day the pack was at 48.3V. That is a very good set of 8-6V T105s. This cart has an upgraded motor and controller and will run out around 26 MPH on flats.

I did the same range test in this exact cart swapping in 6-8V T890 (high end Trojans) and got about 35 miles before the pack settled at 48.4.

Last edited by ajbrown; 03-27-2011 at 08:07 AM.. Reason: always wrong first time
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Unread 03-27-2011, 08:47 AM   #6
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Default Re: How many hours

Thats a very good example of the difference between ( 6 ) 8 volt pack and a ( 8 ) 6 volt pack. T890 is 190 Amp Hour rated, T105 is 225 Amp Hour Rated, showing that 35 amp hour difference makes a big difference in range and performance.
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