POWER TOOL
Portable-power runtime calculator
Model usable energy, reserve, continuous output and surge.
Pricing checked 2026-09-28· verify decisive terms directly
NU
Research profileIndependent dataDemonstration dataMINIMUM MODELLED CAPACITY1,255 Wh
✓ 100 W output or higher
✓ 16.7–18.8 hours from an equal-size rated battery
✓ 1 kWh class
✓ Size solar from realistic daily input, not panel nameplate alone
Compare portable power stations →RUNTIME CALCULATOR QUESTIONS
Frequently asked questions
No. It's a planning range based on the watts, hours and days you enter, combined with a modelled 80-90% usable-energy assumption. Temperature, standby draw, power factor and battery management all change the real result.