Stanley 500 Watt Power Inverter with Dual 3.1 Amp USB

Get 500 Watts of continuous AC power at the worksite, campsite, or in your car with the heavy-duty Stanley PI500S 500-watt power inverter

Provides on the go power with a lightweight, ergonomic design that charges up to 4 devices at the same time

Connect the clamps to your vehicle battery for 500 watt continuous power; Use the 12V DC adapter inside your car for 120 watt power

Dual 120V AC electrical outlets and dual 3.1 Amp USB ports allow you to charge and power smartphones, tablets, laptops, tools, and more

Features built-in battery protection warning, indicating when the vehicle battery is running low

Over-voltage 100 watt protection allows you to avoid blown fuses; ETL certified for performance and safety