... with soft reset and soft speeded-up function3.10 Maintenance-free battery with intelligent changer.3.11 Impeller in cast iron( ... engine, Water pump, AIS, Two units of storage battery, two units of battery charger, Electric speed controller, Exhaust silencer and steel ... , power factor regulator, fuel solenoid, charger for engine start battery, actuator, speed controller, load sharing panel and so on. ...