Originally Posted by grun
That's a good tip, Tom, thanks! Does these Hyperions also have a tiny charging circuit onboard like the original battery has? So just swap the battery and that's it, without any other modifications necessary?
No... the cells are bare, intended for powering RC plane motors. But, I unsoldered the circuit board from the depleted stock battery tabs, and soldered it onto the tabs of the Hyperion cell. Pretty easy to do. See the pics and tips in the FAQs link for battery replacement in Post #3.