... Power:2KW-6KW3. Engine:Air-cooled,4-stroke 1.Top air-cooled,4-stroke,direct injection diesel engine are built to ... Various model of voltage output for choice: Single voltage:120v,220v,240v. Dual voltage:120 ... Single phase)Frequency (Hz)50(Option: 60)DC Output12V/8.3APower Factor1Excitation SystemBrushless, 4 stroke, air cooled, direct-injectionEngineEngine Type1-cylinder, vertical, 4 stroke, air cooled ...