Ultimate BoatingEnergy

Ultimate Boating aggregates and compares public technical data (manufacturer brochures and spec sheets) to help boaters objectively compare engines, propellers, systems and boats.

Independent: no display ads, no sponsored content, no paid rankings.

Privacy-first: self-hosted, cookieless visitor analytics (Matomo), no third-party trackers, no cookie banner.

The site is funded by affiliate commissions (Amazon, Click&Boat): this does not affect prices or comparisons.

Published by RDI (Sébastien Sauteraud), Romans-sur-Isère (France).

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Energy & electricity on board

Energy balance simulator

Build your system (battery bank, solar panels, wind generator, hydrogenerator) and tick your on-board consumers. The dashboard computes your typical-day balance in real time: production versus consumption, surplus or deficit verdict, autonomy on the bank and coverage rate. All estimates rely on conservative models validated by our experts (realistic solar peak sun hours, average wind generator output, appliance duty cycles).

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Need to size the capacity in Ah precisely?Open the battery bank calculator.