The silent generator is a battery

Noise limits usually decide where a generator can go and when it can run. On film sets it ruins takes; at events it pushes hospitality away from the stage; near homes it brings complaints and permit conditions.

A PulseTrek system has no engine, so the only sound is a cooling fan under heavy load. It can sit next to the set, the stage or the site office, which also shortens cable runs.

Generator makers quote noise at a set distance, often 7 metres or 23 feet. Even super-silent enclosed diesel sets usually measure in the 60s dB(A) at that distance, roughly a loud conversation, and louder when the load rises.

A battery has no engine or exhaust. Under heavy load a cooling fan may run; at light load it is effectively silent. That changes where it can go: next to a film set, behind a stage, beside a bedroom window on a night shift.

It also changes the paperwork. Many cities restrict generator hours near homes, and many venues restrict them near audiences. A battery usually sidesteps both.