Inside the Turnigy Accucell 6 Lithium Ion/Polymer/Iron Phosphate 6A Battery Charger.<br />http://www.hobbyking.com/hobbyking/store/__7028__Turnigy_Accucel_6_50W_6A_Balancer_Charger_w_accessories.html<br /><br />And a look at the JBC CD-2BB series soldering iron:<br />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<br /><br />Schematic: http://www.rcgroups.com/forums/showthread.php?t=1362933<br />MOSFETs:<br />MT8103A http://www.mtsemi.com/_control/upload_file/MT8103A.pdf<br />FDS6680 http://www.fairchildsemi.com/ds/FD/FDS6680.pdf<br /><br />Forum Topic: http://www.eevblog.com/forum/blog/eevblog-397-turnigy-accucel-6-charger-teardown/<br /><br />Dummy Load Video: http://www.youtube.com/watch?v=8xX2SVcItOA<br />Battery Capacity Tutorial: http://www.youtube.com/watch?v=R8hTQXqURB4<br />Battery Charging Tutorial: http://www.youtube.com/watch?v=A6mKd5_-abk <br />Battery Discharge Testing: http://www.youtube.com/watch?v=ln8Mlz4NsW8<br /><br />EEVblog Main Web Site:<br />http://www.eevblog.com<br />EEVblog Amazon Store:<br />http://astore.amazon.com/eevblogstore-20<br />Donations:<br />http://www.eevblog.com/donations/<br />Projects:<br />http://www.eevblog.com/projects/<br />Electronics Info Wiki:<br />http://www.eevblog.com/wiki/