Marine Lithium Batteries

Premium Marine Lithium Batteries

Advanced LiFePO4 Solutions for Boats, Yachts & Marine Applications

Complete Marine Battery Solutions

12V Series

Perfect for small boats, dinghies, and trolling motors. Compact design with maximum power density.

50Ah – 300Ah capacity
Group 24/27/31 sizes
Drop-in replacement
IP67 waterproof rating

24V Series

Ideal for medium-sized vessels and high-performance trolling motors. Enhanced efficiency and reduced weight.

50Ah – 200Ah capacity
Higher voltage efficiency
Bluetooth monitoring
Salt spray resistant

36V Series

Professional grade for larger boats and commercial marine applications. Superior power delivery and longevity.

50Ah – 150Ah capacity
Commercial grade design
Low-temp protection
CAN bus compatible

48V Series

High-voltage solutions for yachts and electric propulsion systems. Maximum efficiency and power output.

50Ah – 400Ah capacity
Electric propulsion ready
Parallel expansion
Marine certified

Featured Marine Battery Products

Industry-leading LiFePO4 batteries designed for the harsh marine environment

12V 100Ah Marine Battery

Group 31 Deep Cycle

Voltage: 12.8V Nominal
Capacity: 100Ah
Cycle Life: 8000+ cycles
Weight: 28.7 lbs
IP67 Waterproof/ BMS Protected/ Bluetooth

24V 80Ah Trolling Motor

Professional Series

Voltage:25.6V Nominal
Capacity:80Ah
Peak Current:160A
Temperature:-20°C to 60°C
Heated/ Low-Temp/ High Power

36V 100Ah Marine System

Commercial Grade

Voltage: 38.4V Nominal
Capacity: 100Ah
Energy: 3.84kWh
BMS: 100A Continuous
Marine Grade/ Expandable/ Smart BMS

Marine Applications

Versatile power solutions for every type of marine vessel and application

Sailboats & Yachts

Long-range cruising power with reliable energy storage for navigation, lighting, and comfort systems.

Fishing Boats

High-performance trolling motor power with extended runtime for professional and recreational fishing.

Electric Propulsion

Zero-emission electric boat propulsion with high energy density and fast charging capabilities.

Tenders & Dinghies

Compact, lightweight power solutions for small boats and auxiliary marine vehicles.

Commercial Vessels

Industrial-grade battery systems for commercial fishing, transport, and marine work boats.

House Boats

Complete power systems for floating homes with appliances, lighting, and comfort equipment.

Professional Marine Installation

Our marine lithium batteries are designed for easy installation and integration with existing marine electrical systems.

Drop-in Replacement

Direct replacement for lead-acid batteries with no modification required to existing systems.

Waterproof Protection

IP67 rating ensures complete protection against water ingress and salt spray corrosion.

Smart Monitoring

Bluetooth connectivity allows real-time monitoring of battery status and performance via smartphone app.

Quality Assurance & Certifications

Committed to the highest standards of quality and safety

Rigorous Quality Control
Incoming Material Inspection
100% inspection of all components and materials
In-Process Quality Control
Real-time monitoring at every manufacturing stage
Final Product Testing
Comprehensive testing before shipment
Continuous Improvement
ISO 9001:2015 quality management system

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B2B Partnership Advantages

Why leading companies choose Li-ESS as their battery partner

OEM/ODM Solutions

Custom battery configurations
Private label manufacturing
Technical documentation support
Engineering consultation

Flexible Logistics

Global shipping capabilities
Expedited delivery options
Drop-shipping programs
Inventory management support

Volume Pricing

Competitive wholesale rates
Quantity break discounts
Annual purchase agreements
Flexible payment terms

Technical Support

24/7 technical hotline
On-site training programs
Installation guidelines
Troubleshooting support

Warranty & Service

5-year comprehensive warranty
Performance guarantees
Rapid replacement program
Field service support

Training & Education

Technician certification programs
Product knowledge training
Sales enablement tools
Marketing support materials

How We Can Help You Grow Your Business

Battery cell production line

Assembly Line

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R&D Team

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Q&C Team

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Production base scale

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Dedicated to Quality, Made with Heart.

1. Multiple fully automated lithium battery production lines equipped with laser welding, automatic assembly, battery aging, and other advanced equipment
2. Monthly production capacity exceeding 50,000 units, meeting high-volume order requirements with stable and reliable delivery times
3. Certified with CE, UL, UN38.3, IEC62133, and other international standards, ensuring product quality meets global requirements

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Premium Battery Cells

Using Grade A lithium iron phosphate cells to ensure product safety and reliability

Intelligent BMS

Provide protection against overcharge, over discharge, over temperature, etc.

Customized service

Provide OEM/ODM customized service to meet customers' special needs and specifications

After-sales support

24/7 all-weather technical support, 10-year warranty, and perfect after-sales service

Project Experience

Contact us

Get professional lithium battery solutions and technical support

Office

Room 1615, Kaisa Times Building, Longcheng Street, Longgang District, Shenzhen

Open Hours

Monday – Friday:
9 am to 5 pm EST

Call Us

Call Us Now
+85-15145145178

Email Us

Need Help?
info@li-ess.com

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