These higfh quality rechargable abttery packs are the correct and official Tivoli batteries for you iPAL. The pack includes an adapter so they can be fitted to earlier model Tivoli PAL radios. Note if you iPal runs OK from the power but the batterty no longer appears to be charging up it's time to replace the battery. If however your PAL is not running while plugged into the power it is likely that you need a new power supply which are also available - $55 - please email. It is important you use the correct power supply for your Tivoli.