hi,

many thanks for part number of the battery

in my case the MD3200 has two controllers and only one controller has the problem, can i replace the battery without poweroff the md3200?

if yes how can i see the active controller and how can i switch between controllers?

thanks

Hi,

The part number for the battery is D668J. You can replace it yourself. There are steps in this thread on how to replace the battery. http://en.community.dell.com/support-forums/storage/f/3412/t/19603294

It needs to be off to replace the battery.