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This high-efficiency NPower portable inverter converts virtually all of the batterys available power to AC current. Suitable for contractors who operate power tools near their vehicle. Features high surge capacity for devices that require more power to start. Power Supply: 12V lead-acid battery, Continuous Watts: 900-1,000, AC Outlets (qty.): 2, USB Ports (qty.): 1, LED Indicators: Digital, Low Battery Protection: Yes, High Temperature Protection: Yes, Overload Protection: Yes, Low Voltage Protection: Yes, Cables Included: No, Battery Included: No Delivers portable AC power for cars, trucks, RVs and boats AC outlets for connecting multiple devices Powers handheld power tools, appliances, TVs, computers, stereos and more 500mA USB port Protections include overload and high-temperature shutdown, over-voltage protection, low voltage alarm and low voltage shutdown Uses NPower inverter cable, Item# 4571000