You know, Jbird, you can charge through the accessory socket and should be able to get some battery clips on the terminals just by removing the seat... I'm guessing the issue is that you don't have the ability to charge the battery wherever you are storing the bike and, therefore, need to pull the battery.
Click
here for a post I made awhile back on removing the battery.
Hope it helps!
Cheers, Happy Holidays and such,
Mark