POWER WHEN YOU NEED IT 13.5kVA PETROL GENERATOR WITH 2 WIRE AUTO START FUNCTION The Max watt MX13000AS 2 wire auto start petrol generator has been designed to provide back up power for off grid solar power systems. It has a per-installed 2 wire automatic control system. This generator can automatically provide back up to recharge the storage battery and feed in power to supply the load. STANDARD FEATURES: 0G » 11000 Starting Watts Running Watts. ) © 688 cc V. Twin Petrol Engine.