It is suitable for users who require low price and good quality. The performance will be more reliable and stable. As a backup power source or temporary power source, diesel generating unit is a kind of small power generating equipment. It refers to the power machinery which uses diesel oil as fuel and uses diesel engine as prime mover to drive the generator to generate electricity. The whole unit is generally compoed of diesel engine, generator, control box, fuel tank, starting and control battery, protection device, emergency cabinet and other components.