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Old 11-26-2022, 07:05 PM   #11
Eco Battery
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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Originally Posted by CP241 View Post
Lot of variables to say… terrain (flat vs hilly, pavement vs grass vs sand), temperature, tuning on your controller (regen and max amperage type settings) and most importantly the biggest factor is driving habits. Just like mpg in a car you’ll get a lot more electric range if you’re easy on the go pedal, but it’s a lot more fun to mash it to the floor and let it rip.
^^^^ this is all correct. Way too many variables to guess at range. We hear reports as high as 60 miles on the 70V105Ah pack. I think it will surprise you how low you can set the Navitas max discharge with a 70V pack and still have a very drivable cart.
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Old 11-26-2022, 07:37 PM   #12
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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sorry, had to do it
Deserved!!!!
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Old 11-26-2022, 07:40 PM   #13
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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^^^^ this is all correct. Way too many variables to guess at range. We hear reports as high as 60 miles on the 70V105Ah pack. I think it will surprise you how low you can set the Navitas max discharge with a 70V pack and still have a very drivable cart.
Eco Battery, I would like to hear your comments about recent post regarding a message I received from Alltrax. Here is the thread I posted:

https://buggiesgonewild.com/showthread.php?t=187544
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Old 11-26-2022, 07:53 PM   #14
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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Eco Battery, I would like to hear your comments about recent post regarding a message I received from Alltrax. Here is the thread I posted:

https://buggiesgonewild.com/showthread.php?t=187544
I thought we squeezed off a round and put that horse down already
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Old 11-26-2022, 09:21 PM   #15
Eco Battery
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Question Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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Eco Battery, I would like to hear your comments about recent post regarding a message I received from Alltrax. Here is the thread I posted:

https://buggiesgonewild.com/showthread.php?t=187544
I agree with everyone in the camp saying amperage goes up with speed. The test data posted is consistent with what I have seen in my testing. Wind drag and rolling resistance increase at a way higher rate than controller efficiencies.
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Old 11-27-2022, 11:27 AM   #16
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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I agree with everyone in the camp saying amperage goes up with speed. The test data posted is consistent with what I have seen in my testing. Wind drag and rolling resistance increase at a way higher rate than controller efficiencies.
Thanks for your reply. Wind drag and rolling resistance must not have been figured in his description of motor characteristics.

I must add, I trust Alltrax with their products and descriptions. Just not this one.

It doesn't help much to rate a motor with no connected load!
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Old 11-27-2022, 12:16 PM   #17
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

For what it's worth, I have my Navitas throttle turned down to 25%, and it's still plenty. Regen is set down to about the same level just to prevent jerking, but I live in coastal Carolina. Other geography may need other settings, I guess, but I'd say go small then bump up. What I do know is that with the throttle turned way up, my neighbor with a Navitas picked his EZGO nose off the ground, crashed it and ended up in the hospital along with his teenage son.

Just have to not be unwise with these machines, I'd argue.
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Old 11-27-2022, 12:22 PM   #18
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

Don't do 45-50 on a golf cart. Cars are the tool for that.
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Old 11-27-2022, 12:42 PM   #19
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Default Re: Using Dual EcoBattery 105ah or 72ah Lithium Packs in Parallel

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Originally Posted by Eco Battery View Post
^^^^ this is all correct. Way too many variables to guess at range. We hear reports as high as 60 miles on the 70V105Ah pack. I think it will surprise you how low you can set the Navitas max discharge with a 70V pack and still have a very drivable cart.
What size is the B.M.S. used in the 70v/105ah setup?
What size is the B.M.S. used in the 51v/105ah and the 51v/72ah?
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