"Peak output" refers to the highest level of productivity, performance, or production that someone or something can achieve. It represents the maximum ability or capacity in a given area or activity. Full definition
The manual - transmission 2013 CR - Z now delivers a combined peak output of 130 horsepower at 6,000 rpm and 140 pound - feet of torque. (hybridcars.com)
Then the network will be able to handle up to 18,000 megawatts of wind power at peak output. (scientificamerican.com)
Not only that, but adaptive refresh rates can help save on energy when displaying static images or low frame rate video, while also enabling a higher peak output on capable devices. (androidauthority.com)