Arrma Kraton 6S BLX - Battery Fitment

After many, many questions on which batteries I run and how they fit, I made this video to clear it up.
Here's where I got the Reedy WolfPacks:
Want to see this thing running?
Want to see this thing unboxed?
Arrma is known for their super tough Remote Control Vehicles. Enter the Kraton 6S BLX! This 1/8th scale Monster Truck has now dwarfed any car/truck at The RCNetwork! With its huge 6" tall dBoots tires to the waterproof brushless system, this Monster Truck is capable of up to 60 mph and look good doing it!
Here's where I got it and some info from Arrma:
**&P=ML
The KRATON 6S Speed Monster Truck will accelerate your bashing action beyond the limits. Experience blistering 6S brushless power and master the roughest off-road environments you can find. Fly through the air with the balance and control of a premium quality racing vehicle, and get all your pulse-racing RC bashing action with a Truck that really means business.
VEHICLE TYPE Speed Monster Truck
SCALE 1/8 Scale
LENGTH 24" (590mm)
HEIGHT 7.5" (195mm)
WIDTH 18.5" (470mm)
WEIGHT 5kg (177OZ)
DRIVE TYPE 4WD
MOTOR TYPE BLX Brushless 2050kv Motor
ESC TYPE 180A 6S Capable - Waterproof
STEERING SERVO 15KG/cm (208oz/inch) at 7.2v - Waterproof
BATTERY TYPE 4-6 Cell LiPo (Not included)
CONTROL SYSTEM 2.4Ghz Steering Wheel
CHASSIS 3mm Anodised Aluminium Chassis Plate
TYRES AND INSERTS Pre-Mounted dBoots Multi-Surface
MATERIALS Composite - Steel - Aluminium - Nylon
KIT BUILD STATUS Pre-Built Ready-to-Run
REQUIRED TO COMPLETE 4 x AA Batteries for Radio Transmitter - LiPo Battery Cells 4-6 Cell - LiPo Battery Charger
SUITED SURFACE All-terrain
OTHER DETAILS 2 Year Limited Warranty included