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Bestek 300W Power Inverter

Image: Amazon
Image: Amazon

There’s a good chance you’ve already got an alternative to a standalone gas generator parked in your driveway. Just plug this $30 Bestek inverter into the DC power port of your vehicle’s dashboard, and while it’s running, you’ll have access to a pair of 110 AC outlets, plus a pair of USB-A ports for charging devices or keeping an electric cooler running to prevent perishable food items from going bad.