Auto electric generator is the main power supply, its purpose is to supply all electrical equipment (except starter) power when the normal operation of the engine (idling more) ,at the same time charging the battery. Auto electric generator Model consists as the following uin China: 1. Product Code Product code in Chinese letters, Example: JF - General alternator JFZ - Integral (controller built-in) alternator JFB - with pump alternator JFW - Brushless 2. Voltage code Voltage level of one digit code that Example: 1 for 12V systems, 2 for 24V systems, 6 for 6V systems 3. The current level of code Current level of one digit code that is also 4. Design Number Design number with 1 to 2 digits, said that the sequence of product design. 5. Deformation Code Alternator to adjust the arm position as the deformation code, from the drive end, adjusting the use of Z in the left arm, said with a Y in the right adjustment arm, said adjustment arm in the middle without tags.