It takes 3500 calories to make a pound of fat!

Lamb, domestic, shoulder, blade, separable lean and fat, trimmed to 1/4" fat, choice, raw
» Lamb, Veal, and Game Products

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Energy Fat
46.7 size D batteries 1.1 butter sticks

A serving of 453.6g contains 1175kcal, representing ± 46.7 batteries*.

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

* size D, 1.5V, 19500mAh

A serving of 453.6g contains 94.62g fat, which is comparable to ± 1.1 butter sticks.