Don't connect to 12V battery Specifications: 
Power (2 AC Outlets): 1600W Rated, 3200W peak more powerul than 1500W inverter
DC input voltage:19.6-32VDC
USB output: 1xDC 5V/2.4A(max)
Output wave: Modified Sine Wave 
Nominal input volt:24VDC
Nominal output volt: 110-120VAC 
Max efficiency 90%
Internal fuses:30A
Battery cables:one pair with 2 ft length 
Remote: remote controller with 15ft cable. More convenient to control the inverter ON/OFF
20A solar charge controller(PWM) :suitable to connect 600Watt(30-36VDC) solar panel 
Battery status indicator: display the voltage of battery while charge it by solar panel 
Battery select switch: set to GEL or SLA according to your battery

More details and tips: 
connect the inverter to a 12V 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 1600W Power Inverter 
2x Battery Cables 
1xRemote Controller with 15 ft Cable
1xUser Manual 
8xshockproof pads 
Shockproof pads Manual
Warranty:

18 months by Giandel