Solar Gear Spot

Size finder

Find a practical power station size class.

Enter a main load, daily hours, days needed, and extra charging to estimate a battery size before comparing models.

Quick result Run estimate

Sizing starts with daily watt-hours, then adds reserve.

Inputs

Planning assumptions

Use this as a planning estimate

Small solar and backup-power estimates depend on real device draw, temperature, battery age, sun, shade, and product limits. Use the result to narrow a shopping range, then verify exact specs before buying.

Planning notes

What this calculator is checking

Use case

One main load keeps the estimate honest

Start with the device that matters most, then add smaller extras.

Class

Size classes are shopping filters

Use the suggested class to narrow models, then verify exact specs.

Related

Solar recharge time calculator

Check whether a panel can refill the battery within your usable sun window.

Open calculator