Power stations — think power banks, only much bigger — are all the rage. They are essentially battery-powered inverter generators that can provide power to a variety of appliances and gadgets, making them perfect for camping, emergencies, and off-grid living.Problem is, they’re expensive, so being able to grab a good deal can save you well over $1,000. And in the run-up to Amazon Prime Day, premium portable power station maker Jackery is slashing the prices of some of its best units.Also: The best Prime Day deals so farAnd the good news is that you can buy with confidence because Jackery is offering price protection for all orders placed between July 3 to 18, and if the price drops after, you can contact the company to request a refund for the difference. More