500W Watt DC 24V to AC 220V + USB Portable Voltage Transformer Car Power Inverter

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Features: 500W car power inverter, convert DC 24V to AC 220V. Perfect for in-car use, powers up notebook/laptop, DVD player, digital camera, etc. With USB output, you can charge your cellphone, MP4, MP3... No more running out of batteries. Steady and precise output voltage. Over temperature protection, overload protection, over voltage protection. Built-in cooling fan with low noise.