ENERGY & PROPULSION SYSTEM
The JOOOL system
One integrated architecture managing energy storage, power distribution, electric propulsion, and hydrogeneration from the moment you leave the dock to the last anchor watch of the night.
A fully integrated approach
Energy storage, power management, electric propulsion, and renewable sources : each component engineered independently, all operating as one system.
Energy Storage
LiFePO4 modules from 21 to 38 kWh, scalable up to 152 kWh. All hotel loads run silently from battery storage. State of charge and battery health monitored in real time by the EPMS.
Power Management
The EPMS and the OneBox, manages all energy flows automatically : source prioritization, load balancing, generator cycling. No manual intervention required..
Electric propulsion
Direct drive, no gearbox. Full torque from zero RPM, immediate response in both directions. Available in 25, 35 and 50 kW — monohulls and catamarans from 40 to 65 feet.
Renewable sources
Solar, hydrogeneration, and shore power continuously replenish the battery bank. The range extender activates only when reserves require it typically under one hour per day in good weather.
Three modes for one system
Silent at anchor, regenerating under sail, precise under motor, the EPMS manages every transition automatically, without crew intervention.
The OneBox draws from the battery bank to power all hotel loads : refrigeration, lighting, water heating, air conditioning, navigation instruments. Shore power (if available) charges the batteries silently through the PowerUp Charger. Solar panels contribute during daylight. The generator stays off. Crew and guests experience complete silence.
READY-TO-USE
Plug & Play integration
Battery Pack
A unit that enables energy conversion and distribution
for your boat.
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OneBox
A unit that enables energy conversion and distribution
for your boat.
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Electric Drive
Electric motor for reliable, silent,
and sustainable propulsion.
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Throttle
Precision control for electric & hybrid propulsion systems.
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EPMS
An intelligent onboard computer
to optimize energy management.
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Battery Pack
A unit that enables energy conversion and distribution
for your boat.
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OneBox
A unit that enables energy conversion and distribution
for your boat.
Learn more
PowerPod
Electric motor for reliable, silent,
and sustainable propulsion.
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Throttle
Precision control for electric & hybrid propulsion systems.
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EPMS
An intelligent onboard computer
to optimize energy management.
Learn more
QUESTIONS
Everything you want to know
Yes. JOOOL systems are designed to integrate without structural modification, compatible with most production monohulls and catamarans from 40 to 65 feet, with the OneBox Propulsion system and PowerPod replacing the diesel drive. For vessels of any size up to 120 feet that want large-capacity battery storage and silent mooring without electric propulsion, the OneBox Energy is the right configuration. In both cases, the PowerPod is installed in place of, or alongside, the existing diesel drive. JOOOL's engineering team assesses each vessel individually to confirm compatibility and specify the right configuration.
Ready to electrify your yacht?
Whether you're a shipyard integrating hybrid systems into a production range, or a boat owner looking to upgrade, the right configuration depends on your vessel, your usage and your goals.
For shipyards & professionals
Integration specs, certification support, commissioning timeline and production line compatibility.
For boat owners & sailors
System sizing, compatible models, storage capacity and retrofit options for your vessel.
