Ryobi 40V 300-Watt Powered Inverter with 6.0 Ah Battery Included $149
HD Deal of the Day
Battery alone normally goes for more than this. If you need a spare 40V for your mower, chainsaw, blower, weed eater, etc. this seems like it's a good deal. I need another one for my chainsaw and the inverter will be nice for charging/running devices at the shed and for running the wifi router when the power goes out.