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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-19-2017, 06:21 AM | #11 |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,995
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Jax.....I know you are trying to keep the cost down......but look at it like this, regardless, you are buying a new set of batteries. buy QUALITY batteries.....of the voltage you want, and get the highest AH rated batteries you can afford. its never a idea to have more than you need, but it reallys sux when you don't have enough, then your stuck. AND if you are jumping to a higher voltage.....you need to remember you will be needing a new charger.
Personally I stayed at 36v (with the 500a system) and went with the motor, and higher than normal AH batteries....and 4 years latter, I'm still happy with my 25 mph top speed and 25+ mile range. |
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04-19-2017, 10:18 AM | #12 |
Gone Wild
Join Date: Jun 2015
Location: St. Augustine, FL
Posts: 328
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
This thought just popped into my head. Should the cables from the battery pack to the Solenoid be 2GA, like the rest of the high current cables?
I'm corresponding with Nick at EV Batteries, and I want the Anderson connector cables to the Solenoid to be 2GA also, instead of 4GA, if required. They will also need the larger 3/8" diameter lugs. I think I have narrowed it down to 3 options: 1: 4600Wh - 45v - GP4694-17 with the upgraded 104AH Batteries. (85 lbs, $1500 assembled) 2: 6600Wh - 54v - GP54120-17 with the upgraded 124AH Batteries. (120 lbs, $1900 kit) 3: 5400Wh - Not listed on the site, but I presume it is like option 1, only with upgraded 120 AH Batteries. |
04-19-2017, 11:56 AM | #13 |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,995
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Jax....YES....have ALL your high current cables the same size. otherwise the flow (amperage) gets bottlenecked at that point.
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04-19-2017, 09:29 PM | #14 |
Getting Wild
Join Date: Mar 2016
Location: Lahaina, HI
Posts: 75
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Did the GP54120-17 price come down to $1900?
Their website shows $2180. |
04-20-2017, 06:54 AM | #15 |
Gone Wild
Join Date: Jun 2015
Location: St. Augustine, FL
Posts: 328
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
$2180 is assembled price. $1890 is the parts kit. :)
Sent from my iPhone using Tapatalk |
04-20-2017, 05:52 PM | #16 |
Getting Wild
Join Date: Mar 2016
Location: Lahaina, HI
Posts: 75
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
DIY54120-17 is the part number of the unassembled kit $1890.
GP54120-17 is the part number of the assembled kit $2180 |
04-20-2017, 05:57 PM | #17 |
Getting Wild
Join Date: Mar 2016
Location: Lahaina, HI
Posts: 75
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Has anyone looked into, or used, 4200Wh Lithium Battery Pack 12 cells, 94Ah with BMS for 48V GP4694-17 . Battery cells made in USA by LG Chem.
At $1235 including BMS, seems like a lot of bang for the buck. |
04-20-2017, 10:50 PM | #18 |
Gone Wild
Join Date: Jun 2015
Location: St. Augustine, FL
Posts: 328
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
That's what Nick was saying, good value for the money. From an email exchange:
"The 4200Wh is cost effective, little higher - need 11" space, looks little uglier, but is powerful, because the batteries are in parallel - and can provide 500A (for short time cables limited)" They have an option to use 104 AH batteries for an additional $280. That's where the 4600Wh and 45v @ $1500 came from. Sent from my iPhone using Tapatalk |
04-21-2017, 08:49 AM | #19 | |||
Gone Wild
Join Date: Jun 2015
Location: St. Augustine, FL
Posts: 328
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Interesting email from Nick at EV battery. I asked about 2GA cables, and other options on batteries.
Quote:
Quote:
Quote:
The box in the picture is about the correct size for a mockup, except for the 2" overhang on each side. The front seat support, where the F/R lever usually goes is 37" long. But, 120AH @ nominal 51.8v @ $1300 is an attractive option. Just what I need - more freaking choices! |
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04-21-2017, 12:56 PM | #20 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: What are the effects of voltage increase on cart performance? - Lithium battery p
Quote:
As the motor RPMs increase, its ability to draw amps decreases, so the only time it will draw max amps is accelerating from a standstill or when a steep hill slows the cart down to under about 10 MPH at WOT. Cruising at speed, the motor will most likely draw less than 100A even with the 22" tall tires. 2. I don't know if it will be an issue, but be aware that the hip supports on each side of the seat hang down a couple inches under the bottom of the seat. I had to move the seventh battery in my 42V pack forward so the bracket didn't rest on the battery terminal. |
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Tags |
lithium, performance, voltage |
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