SolSize turns your appliances into the exact battery bank, solar array, charge controller, inverter and wire to buy. Help us get every number right — join the closed beta and shape v1.
We'll email your beta invite as seats open. Watch your inbox for a Play Store opt-in link.
// signal receivedEvery result shows the formula and assumptions. If a number feels off, you'll see exactly why — and tell us.
Your loads, your voltages, your edge cases. Real off-grid builds drive what ships first.
Active beta testers keep the full Pro unlock — controller, inverter, wire, PDF, profiles — for good.
No login, no ads, no tracking, zero runtime permissions. Your plan never leaves the device.