Huazheng Electric Battery Load Bank Tester is a special instrument for the test of NiCD and Lead-acid storage battery string of the whole string voltage of 24V, 48V, 110V, 220V, in communication room, and cell voltage of 1.2V/2V/6V/12V, and it adopts current advanced testing technology theory, and has obtained a series of breakthrough in research and application of new technology, new parts, new material and new techniques, which is designed in accordance with the requests of national related testing and maintenance regulations and it is a special detection instrument for the performance detection of stationary battery. Its big discharge power, small volume, light weight, complete function of data management software of upper computer could greatly reduce the work load of daily testing and maintenance of stationary battery.