Batteries

My battery of choice is the Turnigy 5000mAh 6S 20C  from HobbyKing.com.
12 bricks of this one in a 4S3P pattern make up a total of 88.8v 15Ah = 1332Wh.

Trying several positioning patterns, I'm settled on this:

The Lithium-Polymer chemistry is wonderful. It provides a lot of watts in a little package that is able to deliver a lot of amps. But it's also unforgiving when certain rules are not tightly observed. Essential material to get to know by heart with before having anything to do with this battery:

RC Lipo series charging tutorial

Understanding RC LiPo Batteries
Complete Guide to Lithium Polymer Batteries and LiPo Failure Reports
Lithium Polymer Battery
Parallel LiPo Charging – The Faster & Safer Way To Charge?
How-To: Parallel Charging