It takes 3500 calories to make a pound of fat!

Beef, chuck, arm pot roast, separable lean only, trimmed to 1/8" fat, select, raw
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Energy Fat
22.5 size D batteries 0.2 butter sticks

A serving of 453.6g contains 567kcal, representing ± 22.5 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 15.06g fat, which is comparable to ± 0.2 butter sticks.