Description: Könner & Söhnen KS 48VGS-DC is a petrol/LPG dual-fuel DC generator and backup charger for 50–55 V battery systems. It delivers 3.3 kW rated power and a maximum current of 60 A. In AUTO mode, the unit starts automatically when battery voltage drops below 50 V and stops at 54.5 ± 0.5 V when current is below 20 A. External control is provided through dry contacts, while automatic and external control are available when operating on petrol. The model features a soundproof housing, an LED display for output voltage and current, and a KS 240i four-stroke petrol engine.