Ensure your battery is 24V.

Specifications: 
Power (2 AC Outlets):3000W Rated,6000W peak
USB output: 1xDC 5V/2.4A(max)
Output wave: pure sine wave
THD<3% 
efficiency 90%
Nominal input voltage:24VDC(19.6-32VDC)
Nominal output voltage: 110-125VAC 
Internal fuses:4*30A
Battery cables:one pair with length of 2 ft 
Remote controller: remote controller with 15ft cable. More convenient to control the inverter ON/OFF
LED display: voltage,current,power display

More details and tips: 
connect the inverter to a 24V battery, and plug your AC devices into the inverter 
Please do not leave the power inverter in the ON position while your car is off. 
Disconnect the positive battery terminal before doing any wiring to the inverter 
Do not put the inverter into sunlight directly, keep it in cool and dry environment
Don’t use the inverter with a product that draws a higher wattage the inverter can provide,as this may cause damage to the inverter and product

Package List: 
1x 3000W Power Inverter 
2x Battery Cables 
1xRemote Controller with 15 ft Cable
1xUser Manual 
Warranty:

18 months by Giandel