A brand-neutral, spec-first guide to evaluating plug-in solar systems — covering wattage, battery capacity, inverter type, safety certifications, warranty, and what the marketing numbers actually mean.
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This figure almost always assumes California electricity rates ($0.34/kWh), peak-condition solar generation, and full TOU optimization. For the national average rate ($0.18/kWh) without TOU, the realistic payback is 6–10 years.
A 2 kWh battery covers roughly 6–7% of average daily US household consumption. It powers selected appliances, not a whole home.
True for the physical setup. However, some states and utilities require notification or approval before connecting a plug-in solar system to the grid. Check your state's status on our State Tracker.
Technically true, but NEC Articles 690 and 705 require that the outlet be on a dedicated circuit in many jurisdictions. Verify your local electrical code before installation.
Work through these 8 questions before committing to a purchase. Check each one off as you verify it.
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