Blackout Sizer Calculator
EN

Backup power: Starlink + laptop, all day

Starlink is the hungry one at 50–75 W; a 1 kWh station covers a working day, the Mini dish halves it.

What is included

WhWh
Starlink (standard dish)6012720
Laptop508280
Smartphone charging15115
LED lighting (5 bulbs)403120

Your numbers

Energy per outage
1135 Wh
1135 Wh per day
Peak power
205 W
165 W
Battery needed
1720 Wh
Solar to recharge daily (winter)
757 W

Three setups

Minimum

Covers critical appliances only
Westinghouse iGen400s
183.6 Wh · 200 W (400 W peak)
→

Comfort

Everything you ticked, full outage
Grecell 2400W Portable Power Station
1843.2 Wh · 2400 W (4800 W peak)
→

Autonomy

Expandable system + solar or generator
Allpowers R2500
2016 Wh · 2500 W (4000 W peak)
→

Shop links are affiliate links: if you buy, we earn a small commission at no cost to you. Picks are based on your numbers, not on commission.

Open in calculator with this appliance →