for yachts operation
About Us
Gamajan Eco Solutions integrates environmentally friendly technologies into motor boats and sailing yachts operations, helping owners and companies protect nature and marine ecosystems
Yacht operations can significantly impact marine and freshwater ecosystems. We offer innovative solutions to reduce emissions, lower pollution, and preserve biodiversity
We encourage yacht owners to adopt conscious resource use, minimize waste, and rely on renewable energy sources
Our Values
Preserving nature and biodiversity
Innovating with high technology
for sustainability
Promoting responsible consumption
and waste minimization
Our products
Battery
Management
System
Universal
Battery Cube
24V
LiFePO4
Battery
48V
Hybrid
Outboard
Motors
Battery
Management
System
27 cm
As electric boat motors gain popularity, the lack of dependable battery control systems presents a significant challenge. Without effective BMS solutions, batteries are subject to early wear, inconsistent power delivery and reduced lifespan. Charging is further complicated by varying environmental conditions and limited access to stable power sources.
Without the right BMS, even the most advanced electric motor is held back.
Waterproof Construction
Designed for full protection in marine environments, ensuring reliable performance even under wet conditions
Motor Compatibility
Supports electric motors, making it suitable for a wide range of marine propulsion systems
Flexible Voltage System
Operates on 12V, 24V, 48V batteries with the ability to connect up to 20 batteries in parallel for extended capacity and runtime
Cell Technology Options
Optimized for LiFePO₄, Li-Ion cells with configuration flexibility to support alternative cell chemistries upon request
Smart Charging Module
Compatible with 220V power, our BMS features adjustable load limits and programmable charging schedules for energy efficiency
Alternative Charging Support
Optional module enables charging from 12–48V sources such as solar panels or auxiliary generators
Diagnostics & Balancing
Built-in diagnostics system continuously monitors performance and balances modules to optimize efficiency and lifespan
Module Isolation Function
Automatically isolates any faulty or degraded battery module without disrupting the performance of the remaining system
Onboard Power Output
220V AC output available for powering household appliances with automatic cutoff when battery charge falls below a safe threshold
Intuitive Monitoring App
Companion tablet/phone application displays real-time data: operating status, battery health, charge level, remaining usage time, charging stimates and more
The solution is compatible
with virtually all 48V DC
electric motors, including:
Elco EP-20 Electric
Outboard 8.4 kW
ePropulsion
Navy 6.0 Evo 6 kW
Mercury Avator
110e 12.8 kW
Torqeedo Cruise
12.0 RS TorqLink
12 kW
To place the order:
info@ecosolutions.fi
Universal
Battery
Cube 24V
15 cm
15 cm
1 kW
6 kg
UBC is a tiny, self-sufficient battery unit for electric and hybrid boats.
Thanks to its adaptable architecture, UBC seamlessly fits a wide range of marine applications – from electric propulsion to onboard energy management.
It delivers high energy density in a compact size while ensuring easy integration and reliable performance.
Nominal Energy: 1008W
Nominal Voltage: 24V
Battery capacity: 42Ah
Cycle Life:
80% DOD: 2500 cycles
70% DOD: 3000 cycles
50% DOD: 5000 cycles
UBC Composition:
Li-Ion (s7/p10)
18650 standard cells
BMS Connection:
Male + Female cable
Operating Temperatures:
from +5°C to +45°C
Easy to assemble, like “Lego” ,
into a single system
Managed by the intelligent BMS
Eco Solutions
High Energy Density
Li-Ion cells offer 10% more capacity
compared to competitors of the
same size and weight
Modular Design
Modular battery design enables
optimal weight distribution
throughout the vessel
System Integration
Compatible with onboard 220V
systems and other voltage levels
Compact Size
The small form factor simplifies
battery replacement and improves
overall system reliability
Durability
Wide operating temperature range
and thousands of charge cycles
ensure long-lasting performance
Smart BMS
The intelligent Battery Management
System monitors battery status, forecasts energy consumption & extends service life
Versatile Charging
Supports charging from multiple
energy sources with varying
specifications
Easy Installation
Quick and straightforward to install
Use UBC – make a great
choice for modern
marine electrification!
To place the order:
info@ecosolutions.fi
LiFePO4
Battery 48V
This battery is ideally suited for electric boats equipped with 48V electric motors. Its high capacity, consistent performance, and long cycle life ensure dependable power delivery on the water, making it an excellent solution for demanding marine environments.
Nominal Capacity: 40Ah
Nominal Voltage: 58,4 V
Max Charging Current: 10A
Peak Discharge Current: 60A
Continuous Discharge Current:
30A
Battery Type:
3.2V 40Ah LiFePO4 16S1P
Cycle Life: 70% DOD: 4000
cycles
BMS Connection:
Male + Female cable
Charging Temperature:
0°C ~ 45°C
Discharge Temperature:
-20°C ~ 60°C
Storage Temperature:
-20°C ~ 65°C
Battery Dimensions:
29,5 x 20,3 x 22,5 сm
Weight: 13 kg (40Ah)
Operating Voltage Range:
35.2V – 58.4V
Overcharge Protection
Voltage: 58.4V ± 0.05V
Overdischarge Protection
Voltage: 35.2V ± 0.05V
Battery Overtemperature
Protection: 60°C ± 5°C
Output & Connectors: High- current positive/negative terminal posts
Storage Duration: retains at least 90% of capacity over 6
months. Recommended to recharge every 3 months.
Battery Warranty: 12 months
Lightweight
High capacity
High discharge platform
Long runtime
Long lifespan
Safe and eco-friendly
Supports series and parallel connections
To place the order:
info@ecosolutions.fi
Hybrid
Outboard
Motors
150 HP gasoline engine
10 kW electric motor (48V)
Smart automatic clutch
Proprietary hybrid control unit
Silent cruising. Zero emissions.
More coastal and inland waters demand low-impact vessels. Electric mode allows access where combustion engines can’t go.
Extended range, better fuel
economy.
Use electric engine when efficiency matters and switch to the fuel one when you need endurance or combine both for optimized performance.
Reliability through redundancy.
Two power sources in one unit. Never get stranded. Always stay in control.
Why Hybrid, Why Now?
We’ve engineered a plug-and-play solution that integrates electric and fuel systems into one streamlined unit — using proven base motors and platforms. The Innovation Isn’t in the Motor — It’s in the Hybridization. We don’t reinvent motors. We reinvent how propulsion systems work together. Custom mechanics for unified control. Intelligent software for seamless switching. Patentable tech designed for production.
Why Our Approach Works. We focus on what matters: hybrid powertrain architecture, efficient energy flow and intelligent control, fast switching between electric and fuel modes, patentable systems at the core of hybridization.
Be Part of the Shift
Whether you're a boatbuilder,
fleet operator or visionary investor —
join us in redefining marine mobility.
For engine orders or investment
inquiries, please contact us via email
+358 44 932 51 28
info@ecosolutions.fi
About Us
BMS
UBC
LiFePO4 Battery 48V
Hybrid Outboard Motors
Contacts
info@ecosolutions.fi
+358 44 932 51 28
© Gamajan Eco Solutions Oy 2025