The startup built a compact solar-battery combo that connects directly to key household appliances, is easy to plug in, and requires no special permits.

Meghan Wood, CEO of Raya Power, thinks solar and batteries should be as easy to install as a typical household appliance, durable enough to provide backup power for critical devices during storms and heat waves, and sophisticated enough to help lower everyday energy bills.

The Raya Power unit that Wood and cofounder Nicole Gonzalez designed is meant to hit all those marks. Think of it as a portable alternative to rooftop solar, one that looks a bit like an external cellar door from the space age.

The white triangular boxes are topped with 1.35 to 1.8 kilowatts of solar panels and contain 2.5 to 5 kilowatt-hours of battery storage. That blended solar and battery power can be fed into appliances using typical 120-volt or 240-volt plugs, or wired directly to air conditioning systems — all without touching broader household wiring and triggering the need for electrical permits.

Right now, the startup’s systems can be preordered for $6,790 up front, which is competitive with a similarly sized rooftop solar and battery system, she said. Customers can also finance systems for $125 per month at a 6.5% annual percentage rate with a $500 down payment.

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