RE: how did you do this?
a hump pack is a 5 cell, rechargable battry pack that replaces your 4AAs that u have in it now. it gives the servos more current, so they preform better, and because its rechargable, you dont have to always buy AAs. The charge jack lets you charge the pack with out having to take off the cover, which can be a pain in the as$. does anyone who has a charge jack have a pic of the inside of their reciver box?