Dual USB car power inverter 600W for 12V to 220V converter 1、Car power inverter with 2 USB ports and AC outlet. surge power is up to 6000W. The power inverter comes with free cigarette lighter and 2pcs battery clips,providing 500Watt continuous power, 6000watt peak power (Please make sure that the total rated power of the connected devices is ≤ 500W). 2、Battery Level Bar for LED Display shows the battery Capacity, which can remind you that when your battery no power. When connect the battery with inverter, this LED Screen work and show the real‑time capacity of battery. It have five level (lattice) of the Battery Level Bar, and each lattice represents 20% of the battery power. When your battery is no power, the display will to remind you that you need to charge your battery. 3、One AC Outlets and two USB ports can offer 100% fast charging for mobile phones, computers, laptop, breast pump, Nebulizer, Razors, emergency equipment etc,can be as a emergency power supply. 4、Built‑in fuses, safe charging design and cooling fan preventing the car power converter from over‑heat, saving power and energy. Alos provides over voltage, overload, over‑current, short circuiting, under‑voltage, overheating, short circuit protection. 5、Lightweight and compact, ideal for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere.