Imtec Battery Mark produces testing in two modes (fast and normal) with two variants of load on hardware subsystem notebook: with full load or without it. At testing time construct a detailed graph of changes of level of battery power. All data stored in a report file for later viewing and analysis. The program fully supports multithread and multicore processors, which allows to reproduce the maximum possible load on the processor system to test a laptop in extreme conditions. Version 1.1 added support for more of batteries and laptop; added checking for program updates.