For a easy one hour long flight it will use about 46 continuous amps. Full throttle with the 175lb thrust option will pull about 260 amps. Depending on your flight style, wing, weight, and terrain, I would plan on pulling between 50 to 150 continuous amps.
As for the stock 4kw open ppg battery, the rated voltages is 88.8v with 100.8v nominal and a cutoff likely between 66v and 72v. It is a 24s11p configuration and I am almost certain it has 21700 molicel P42A cells.
Only taking cells into account, this should be 38 pounds(66g/ cell x 264), give 385 continuous amps(35+ a/cell x 11parallel), and cost an average Joe ~$1400 USD(~$4.75/ cell x 264 + tax and shipping). If you take into account the rest of the battery, it will likely be limited to 300a, it will most likely weigh over 42 pounds, and cost well north of $1500.