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Old 12-19-2018, 03:55 PM   #7
bronsonj
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Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
Default Re: Top speed and acceleration drops dramatically after few miles

42.7v when cruising at top speed??? That sounds ridiculously low to me.

Especially since your fully charged V is good. When I still had lead acid batts they would not hold a full charge and I don't have a float charger so I'd start my trips with 50.1 or 50.3v and when I nail the Go pedal it'd drop to 46.x V then when it got to full speed I'd see the V increasing again and it'd settle in the upper 48.x range. On bad batteries. At the end I had about 1.5 miles of usable range then it started to slow.

I have a 2011 TXT48 with 23" tires and at the time it had stock controller still/motor. Now I have a better controller and lithium batteries.
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