Hi Susan ;) From one Sansa Clip enthusiast to another, I hope this helps! How to replace a Sansa Clip internal battery. 1. To open the case you'll need a plastic prying tool. http://www.meritline.com/new-diy-repair-opening-tools-kit-for-ipodiphoneiphone3gnanotouchvideopspndsl---p-35114.aspx http://www.youtube.com/watch?v=6LRyDOxbd... 2. You'll need a pencil-style soldering iron. 3. 25-watt for general circuit board work, I use one that switches from 15 to 30-watt. Radio Shack sells several models for under $20. NOTE: When soldering electronics with irons greater than 15 Watts, minimize extended contact with the board (more than 5 seconds at a time) as it can cause damage. Also, after soldering a point, let the solder cool for 3-5 seconds before wiggling any wires and etc. as it's still molten and they'll shift out of place if it hasn't hardened. 4 & 5. An example of the tools and the battery which is a replacement for an ipod shuffle. http://anythingbutipod.com/images/forum/... The old battery has an...