Search found 2 matches

by thomas.smith
Dec 29 2011 1:36pm
Forum: E-Bike General Discussion
Topic: 18650 Li-ion at $145 per KiloWatt Hour!
Replies: 123
Views: 22418

Re: 18650 Li-ion at $145 per KiloWatt Hour!

Please do tell us more about how you tested the cells !! we love pictures ! :P Sorry it took so long to respond, my actual job (and now lack thereof) has kept me pretty busy. Well, I picked up a cheap digital/analog IO board, and wrote a quick voltage tracker. Then I rigged a 14w (1C) load, charged...
by thomas.smith
Dec 01 2011 1:08am
Forum: E-Bike General Discussion
Topic: 18650 Li-ion at $145 per KiloWatt Hour!
Replies: 123
Views: 22418

Re: 18650 Li-ion at $145 per KiloWatt Hour!

For any interested... I recently picked up 50 of the UltraFire 3800mAh cells. I figured I would play with them to see what I could work out. First off... The ones that I got were not recapped and had no other signs of repackaging (only tore down a dozen, but got bored doing that). Second, I tested t...