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I'm looking for used batteries that are no longer good for EVs, but would be okay to use on my home solar system. I currently have 4 very large PbA batteries that give me almost 10 kWh at 48 volts (nominal). I was thinking that 16 Li-ion batteries in series would match the nominal voltage of...

Yesterday it worked for me, but today it's not working. The web site just loops, and never shows me a login page The Android app says my username or password is incorrect AutoFlugel says "your login to CARWINGS did not work" Does anyone know what's going on?

I have this crazy idea that I wanted to throw out for discussion: What about taking the drive train of a wrecked LEAF and fitting it in place of the rear wheels? You would have a car with just a little more weight, but twice the power. It seems like we would have to develop a CAN-bus gateway...

<EDIT> Thanks everyone for the interest. The rims are gone to good homes... CA, WA, ID, & PA. =============== I just replaced my tires with 205/50R17 and got new rims to hang them on (black Drag DR38), so I have 4 stock OEM rims for sale that have never touched a curb. $100 each + shipping...

I think that most of us don't use the LEAF's cruise control because if you are traveling over any kind of hills, you can do better by dropping speed on the climb and picking up speed on the descent. As we all know (or should know) it's better to not have used energy from the battery, than to...

Another example of the media presenting the most negative view possible: http://pddnet.com/news-e-cars-may-be-more-harmful-than-gasoline-cars-021312/ Ugh...

For those of you interested in more details on how inverters work http://eetweb.com/power-supplies/inverters-lighten-up-1211/index.html. In an EV the frequency is varied to cause the vehicle to accelerate or decelerate. In a solar application, the inverter is phase-locked to the 60 Hz grid.

Contains some details on motor (stator) wiring http://eetweb.com/motors-drives/GM-EV-motors-12-15-11/index.html

Discussing a report from Carnegie Mellon University http://www.designfax.net/enews/20111213/feature4.php

Today I charged up to 100% at work and when I left I had no regen, as expected. What I noticed was that the bubbles to the left of center (the regen bubbles) only had one circle, not two like the bubbles on the right. As I continued home and used up some of the charge, the first bubble to the...

I'm driving along, minding my own business in the HOV lane, and a CHP bike cop pulls me over. He says "Do you know why I pulled you over, sir"? I said "I have no idea, officer". He tells me that I'm one person and driving in the HOV lane. I told him I had stickers that gave me permission. He...