Thunder power 5s and traxxas ez peak
 

The balance board does not fit The Thunder power balance adapter. What options do I have a new charger or just a new balance board

Something like this:

http://hobbyking.com/hobbyking/store...HP_XH_EH_.html

Or this:

http://hobbyking.com/hobbyking/store..._Adapter_.html

Should work I think.