Size Home Battery Backup Runtime During Blackouts — Free
Audit essential household appliance power draws to calculate exact battery bank runtime during power outages. The free tier is the whole tool: every field, every state, the state link and one complete un-watermarked run.
1 · Set the battery backup load board
FIRST-LOAD · sample record filed, free run untouched
Data note: Everything is computed in this browser tab. Nothing you type is uploaded, and nothing is stored on our servers.
2 · Read the designed battery backup load board
GratisAI calculated my home battery backup runtime and generated an emergency load-shedding plan.
Boundary: Provides electrical power estimates based on user inputs. Always follow manufacturer battery installation guidelines.
One-time layer · $4
The on-screen result is free and complete. The one-time layer adds a tangible file you keep.
- Printable battery backup load board — Formatted circuit breaker load-shedding guide for electrical panel — estimate: ~25 minutes saved
- Saved battery system profiles — Store multiple outage emergency scenarios in local browser — estimate: ~15 minutes saved
ONE-TIME STEP · the free run is complete; the printable copy and saved history are the one-time step
Reveal the printable layer →Yours to keep, right where you are. Your one-time purchase gently unlocks this app on this device and browser.