About as sturdy and reliable and any other one.
~NSHA
A step above the successful first model.
http://thereifixedit.failblog.org/2011/09/12/white-trash-finally-a-decent-battery-for-the-droid%E2%84%A2/
I heard it's really good at funneling the sound.
¬Not-So-Handy Andy