https://hclxing.wordpress.com/2014/02/06/hacking-the-dell-la...
https://hclxing.wordpress.com/2014/02/09/hacking-the-dell-la...
https://hclxing.wordpress.com/2014/02/09/hacking-a-dell-powe...
https://hclxing.wordpress.com/2014/02/26/hacking-a-dell-powe...
An one more for the Apple Magsafe one:
http://www.righto.com/2013/06/teardown-and-exploration-of-ma...
https://hclxing.wordpress.com/2014/02/06/hacking-the-dell-la...
https://hclxing.wordpress.com/2014/02/09/hacking-the-dell-la...
https://hclxing.wordpress.com/2014/02/09/hacking-a-dell-powe...
https://hclxing.wordpress.com/2014/02/26/hacking-a-dell-powe...
An one more for the Apple Magsafe one:
http://www.righto.com/2013/06/teardown-and-exploration-of-ma...