Inside the Turnigy Accucell 6 Lithium Ion/Polymer/Iron Phosphate 6A Battery Charger.
http://www.hobbyking.com/hobbyking/store/__7028__Turnigy_Accucel_6_50W_6A_Balancer_Charger_w_accessories.html
And a look at the JBC CD-2BB series soldering iron:
http://www.amazon.com/gp/product/B008LZ30Y4/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B008LZ30Y4&linkCode=as2&tag=ee04-20
Schematic: http://www.rcgroups.com/forums/showthread.php?t=1362933
MOSFETs:
MT8103A http://www.mtsemi.com/_control/upload_file/MT8103A.pdf
FDS6680 http://www.fairchildsemi.com/ds/FD/FDS6680.pdf
Forum Topic: http://www.eevblog.com/forum/blog/eevblog-397-turnigy-accucel-6-charger-teardown/
Dummy Load Video: http://www.youtube.com/watch?v=8xX2SVcItOA
Battery Capacity Tutorial: http://www.youtube.com/watch?v=R8hTQXqURB4
Battery Charging Tutorial: http://www.youtube.com/watch?v=A6mKd5_-abk
Battery Discharge Testing: http://www.youtube.com/watch?v=ln8Mlz4NsW8
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