Solar Battery & Powerwall Outage Solver

Model how long your home energy storage will keep your refrigerator, WiFi, medical devices, and lighting running during a blackout.

Battery Storage & Critical Home Loads

Blackout Resilience
kWh
kWh / day
W
W
W
W

Outage Runtime & Resilience

Outage Runtime (Single Charge)
20.5 Hours
Total Continuous Load 660 Watts
Daily Consumption 15.8 kWh/day
Solar Recharge Indefinite ✅
Grid Blackout Security Solar recharges battery fully each sunny afternoon
Battery Chemistry Standard LFP (Lithium Iron Phosphate) / NMC (10-Yr Warranty)
Efficiency Round-Trip Factor Calculated with 90% inverter efficiency loss
Critical Circuit Advice Isolate 120V essential loads on a dedicated sub-panel

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Amazon Verified Picks
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Jackery Explorer 1000 Portable Power Station (1002Wh)
Powers home emergency refrigerators, CPAP machines, and laptops during grid power outages with solar recharge capability.
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Kill A Watt Electricity Usage Monitor & Wattmeter
Measure the exact kilowatt-hour consumption of individual home appliances before sizing your residential solar array.
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