It takes 3500 calories to make a pound of fat!

Beef, short loin, porterhouse steak, separable lean and fat, trimmed to 1/8" fat, select, raw
» Beef Products

:
Energy Fat
40.0 size D batteries 0.7 butter sticks

A serving of 453.6g contains 1007kcal, representing ± 40.0 batteries*.

A aged requires 2700kcal (107.3 batteries*) a day.

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 67.22g fat, which is comparable to ± 0.7 butter sticks.