Will Your Boat Power System Last the Night?
Most don’t.
Build your exact setup — solar, battery, AC, generator — and see when it actually fails.
Real simulation: 800Ah battery + AC overnight → dead before midnight
Real Example:
800Ah battery + 1200W solar + AC overnight
→ Battery dead by 1:30 AM
Most systems look fine on paper… until this happens.
800Ah battery + 1200W solar + AC overnight
→ Battery dead by 1:30 AM
Most systems look fine on paper… until this happens.
Used by real cruisers to avoid midnight blackouts
Why This Matters
Bad assumptions mean dead batteries, hot nights, and generator dependency.
- ⚠️ Dead batteries at night
- ⚠️ AC shutting off
- ⚠️ Generator overuse
What This Calculator Does
- ✔ Simulates real overnight drain
- ✔ Models solar + generator
- ✔ Shows failure time
How It Works
1. Enter system
2. Toggle loads
3. Watch battery
4. See failure
See Real Setups
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