Follow these steps to replace the battery in the CPMobile sled:
Remove the top cover.
Slide the iPod Touch or iPhone completely out of the sled.
Press the battery cover tab and lift the battery cover, as illustrated below.
Remove the battery pack and replace it with a new Lithium-Ion battery pack.
Replace the battery cover and insert the iPod Touch/iPhone into the sled.
Replace the top cover.
Only use factory-recommended replacement batteries to prevent damage to the CPMobile sled.