If you need to run your whole house on battery power, consider these two power stations from EcoFlow.
If you need power to stay safe during an outage, a high-capacity power station is a good option. Not only can it keep your home powered, it can also usually handle high-wattage appliances, so you could potentially keep a fridge or AC on for a long period of time.
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USA — IT You Can Snag 2 EcoFlow Delta Pro Power Stations During Amazon's Spring...