... ups battery1. Efficiency:>90%2. DC 12V/24V input3. AC 220v/110V output4. Continuous output power: 600W/1000W/1500W/2000W/3000W5. ... occasion, such as in cars,in trucks,at boat,with solar system,and so on . It can drive many equipments ... 3000W: Water pump ,air conditioner ,etc. Output continuous power3000WOutput peak power6000WInput DC voltage 12V 24VWorking voltage11-15V21-29VLow-voltage protection9 -10 ...