Step 1 of 3

Which appliances do you
need to power?

Tap everything you want running during a blackout.

🧊
Chest Freezer 7 cu. ft.
900W surge
🧊
Chest Freezer 5 cu. ft.
600W surge
🧊
Chest Freezer 15 cu. ft.
1,500W surge
🥶
Refrigerator Standard
1,200W surge
🔥
Space Heater 1,500W
No surge
💧
Well Pump ½ HP
3,000W surge
❄️
Window AC 8,000 BTU
2,400W surge
🌀
Sump Pump ⅓ HP
1,050W surge
📶
Wi-Fi Router
No surge
💡
LED Lights 10 bulbs
No surge
💻
Laptop + Phone
No surge
🍳
Microwave 700W
No surge
+ Add your own appliance

💡 Find surge watts on your appliance data plate: LRA × Voltage

Step 2 of 3

How long could your
power be out?

Pick the worst-case scenario you want to be ready for.

24
hours of backup power
4 hrs24 hrs48 hrs72 hrs
Calculating your load...
Running surge math and battery sizing
Step 3 of 3 — Your Results

Your Blackout
Audit is Ready

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—
—
—
Peak Surge
—
Running Load
—
Min Battery
Appliance Breakdown