If you are thinking of an AC capacity of more than 3 kW, choosing this inverter from Marineland products is your best option. This inverter can meet the Mass Sine Ultra or even more power needs with a capacity of 4000 watts AC per unit. Because ten units can be switched in parallel or 3x3 in a three-phase configuration, the Mass Sine Ultra can generate up to 40 kW of capacity. The inverter provides full power at 40 degrees Celsius and works slowly even in harsh conditions such as the engine room and technical spaces. You should also know that like all Marine Land products, the inverter comes in a compact and sturdy body Marineland products show you the best results and performance in all conditions and offer their activity without any problems. With this model, you can safely carry the best power supply with you 24 hours a day, in any situation and when you are. These types of inverters are in the form of a sine wave, which independently allows complete freedom in the selection of battery charging devices. Note that you can adjust these chargers freely according to your charge. If you want to use renewable energy sources, you may want to choose an MPPT solar charge regulator .