Portable Voltage Transformer Car Chargers Power Supply Polarlander 300W Watt Car Features: 300W car power inverter, convert DC 24V to AC 110V. 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. Specifications: Input voltage: DC 24V Output voltage: AC 110V 60 Hz Output power: 300W USB port output voltage: DC 5V Output waveform: Modified sine wave Low voltage alarm (no load): DC 20.5~21.5V Low voltage shutdown (no load): DC 19.8~20.8V High voltage shutdown (no load): DC 28~32V Peak efficiency: 90% Item size: Approx. 14.5 * 9.5 * 5.5cm / 5.7 * 3.7 * 2.2in Item weight: 415g / 14.6oz Package size: Approx. 24 * 18 * 8cm / 9.5 * 7.1 * 3.2in Package weight: 582g / 1.28lb Package List: 1 * Power Inverter 1 * Cigarette Plug Cable 1 * Battery Clip Cable Product Features Output power: 300W Input voltage: DC 24V Output voltage: AC 110V 60 Hz USB port output voltage: DC 5V Perfect for in-car use, powers up notebook/laptop, DVD player, digital camera, etc. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!