Reference: mitro's pile of battery graphs

Batteries and Chargers Rechargeable Batteries
61

Have all of these interesting data been collected somewhere?

62

If you want some battery data, start at my website or check the "Rechargeable Battery Reviews and Tests" section here.

63

Thanks, I'm really curios to find data about these "incredible" batteres (4300 cycles??)

http://www.electriccarpartscompany.com/Bestgo-Pouch-Cell-Overview_p_265.html

2000 cycles at 1C rather than C/3???

http://www.electriccarinternational.com/Lithium-Pouch-Batteries.php

64

I have only been checking round cells and never cycle life (It takes way to much time to check cycle life).

65

I know, but vendors like selling "1000 cycles" batteries without specifying it's true only at C/2, C/3 or C/5, so it's actually not enough just to know discharge curves of brand new cells.

Look at A123: they look amazing, they have same capacity at C/2, C or C20 and quite a flat discharge curve at every C rate... but they last 8000 cycles at C/2 and 42 (fortytwo) cycles at 20C!!

By the way, you may be interested on this couple of pages:

NASA tests on lithium battery from 2007 to today: https://batteryworkshop.msfc.nasa.gov/