Speed chip installed, whats next for more speed

[720Deere]

7.2 x 6 = 43.2 something doesn't add up.

[remac]

oh - good check on the math - I didn't do that...
maybe his DMM needs a new battery too..

[cgtech]

Originally Posted by remac

oh - good check on the math - I didn't do that...
maybe his DMM needs a new battery too..

Its really irritating after you do a string of tests and discover that your voltmeter needs a new battery so all of that testing was worthless.

[cgtech]

Originally Posted by hmcnav

I found out the batteries war C3 which is March 2013, so they are fairly new. I tested them 12 after charge. 38V, I kept a multimeter on it during my drive today. It dropped as low as 34. to 35 V with the pedal to the floor and then equalizing to 36 while driving. Afterwards I tested an hour later and it was 40V and 7.2 on each battery. It was like this for a few hours. So I think the batteries are good. So I don't know if going to 48 would be prudent. What are the benefits of going 36 to 48 V... I know more power, but what about speed?

Thanks

The math is totally linear (assuming cables are proper size, not getting roasting hot), 33% more volts = 33% more speed, 33% more torque. The range might be about the same, at the same top speed of the 36v batteries. The 8v batteries have less AH rating then the 6v does, but should require less throttle to cruise at the top speed available with 36v, before the conversion (i know range wasnt addressed, just throwing that in there, hopefully helpful & not too confusing)