PG000E Portable Electricity Generator

The PG000E Portable Electricity Generator is a piece of human equipment. It is a generator that burns hydrogen fuel cells to provide a portable electricity source for radios, food preparation stations and other electronic battle equipment.

It can be seen labeled on crates throughout multiple levels of Halo 2.

Trivia
The name PG000E could also be a possible reference to the Pacific Gas & Electric Company of today (PG&E).The in game name could have had the "&" symbol replaced by "000" due to any possible copyright issues that could arise.