Here's a very interesting article putting 5 different LiFePo batteries against eachother in charge and discharge tests. Good data, lots of graphs, cost effectiveness, cost per Ah, cost per cell..... etc. Good read.
http://zeva.com.au/tech/LiFePO4.php Found on Hackaday.com regards, Travis Gintz 1986 Honda VFR AC conversion Http://blog.evfr.net/
