Power Station Estimation Tool - Evergreen Off-Grid

Evergreen Off-Grid Power Station Estimator

Portable power planning

Size with clarity.
Power with confidence.

Choose the devices you want to run. We’ll translate your loads into battery capacity, continuous AC output, and starting surge requirements—then match compatible portable power stations.

1Devices

2Runtime

3Match

Step 1

What do you want to power?

Search for a common device or start with one of the quick picks. Typical values are provided as a starting point, and you can edit them anytime.

Popular:

Browse:

Your devices 0

Step 2

How long do you need power?

Days between recharges Use 1 for a day trip or daily recharging. Increase this for outages or multi-day camping. Energy reserve Adds practical headroom for real-world use and changing conditions.

Advanced assumptions

AC efficiency DC/USB efficiency Usable battery factor

Your result

Recommended power station size

Daily energy—

Total energy—

Minimum capacity—

Continuous AC—

Recommended surge—

Your shopping target

Battery—

AC output—

Surge—

Why these numbers?

Device energy—Before conversion losses

After conversion losses—AC and DC/USB treated separately

Energy before reserve—Daily energy × days between recharges

With reserve—Includes your selected energy reserve

Advertised capacity target—Adjusted for usable battery capacity

AC output target—Simultaneous AC loads + output margin

Current library matches

Power stations worth considering

These are screened against your calculated battery-capacity and continuous-output targets. Surge is only treated as verified when Evergreen has a manufacturer rating in the library.

Estimator note: Results are educational and based on typical values unless you enter device-specific ratings. Always verify device labels and manufacturer specifications before purchase.