China dominates the global lithium battery supply chain and leads the shift to electric marine propulsion. With strong government support for zero-emission inland waterways, coastal electrification, and booming electric boat/yacht demand, the marine battery market is expanding rapidly. Projections show significant growth through 2030+, driven by LiFePO4 (lithium iron phosphate) technology for its safety, longevity, and marine-grade durability.
This guide ranks the top 10 marine battery manufacturers in China for 2026, focusing on specialized lithium (primarily LiFePO4) solutions for trolling motors, yachts, electric boats, house loads, marine energy storage systems, and commercial vessels. Rankings consider specialization in marine applications, product range, customization, certifications, production scale, and market reputation. All are strong options for OEMs, distributors, and end-users seeking reliable, high-performance marine power.
Quick Comparison of Top Marine Battery Manufacturers in China
Manufacturer | Founded | Headquarters | Main Products | Best For |
|---|---|---|---|---|
Tritek Battery | 2008 | Shenzhen | Intelligent Marine Battery Packs & BMS | Custom OEM/ODM Marine Projects |
DNK Power | 2007 | Shenzhen | Li-ion & LiFePO4 Marine Batteries | Customized Small-Batch Orders |
MANLY Battery | 2009 | Shenzhen | LiFePO4 Marine Batteries | Recreational Boats |
Gobel Power | 2019 | Shenzhen | LiFePO4 Battery Systems | Distributors & Wholesalers |
Large Power | 2002 | Dongguan | Custom Lithium Battery Packs | Industrial Marine Applications |
CoPow | 2010 | Shenzhen | Marine Starting & Deep Cycle Batteries | Smart Marine Battery Solutions |
CTS Battery | 2011 | Hunan | Electric Boat Batteries | Electric Vessel Projects |
Propow Energy | 2015 | Shenzhen | Marine Lithium Batteries | Boat Battery Replacement Market |
Polinovel | 2018 | Shenzhen | LiFePO4 Marine Batteries | OEM Marine Equipment |
Buzzup Battery | 2012 | Shenzhen | Lithium Marine Batteries | Fishing Boats & Small Watercraft |
How We Selected These Manufacturers
The companies were evaluated based on:
- Marine battery product portfolio
- Customization capability
- Battery safety and certifications
- Manufacturing capacity
- International export experience
- Battery management system (BMS) technology
- Marine application expertise
- After-sales support
Tritek Battery
Tritek provides intelligent lithium solutions with marine applications. It emphasizes smart BMS, global certified, IP67, and global support (branches in Europe, USA, Thailand).
Key Strengths: One-stop solutions (batteries + chargers), fast lead times, high automation, certifications (UL, EN, IEC, UN38.3).
DNK Power
DNK Power specializes in lithium marine batteries as direct replacements for lead-acid systems. It provides a wide range of 12.8V packs (100Ah to 600Ah+) with options for ABS/metal cases, LCD, Bluetooth, and high-discharge capabilities for boats and ferries.
Key Strengths: Cost-effective, lightweight, pollution-free, suitable for trolling motors and house power.
Manly Battery
Manly Battery is a reliable LiFePO4 supplier with broad applications, including marine systems. It offers scalable energy storage (5-215kWh+), drop-in replacements, and robust batteries for extreme conditions. It supports solar-marine hybrids and commercial vessels.
Key Strengths: High cycle life, customizable designs, certifications (UL, CE, UN38.3), strong manufacturing scale.
Gobel Power
Gobel Power supplies quality LiFePO4 cells/packs (using top suppliers like CATL/EVE) with marine/boat battery solutions. It offers customization, DIY kits, and strong technical transparency (QR decoding) for energy storage and marine use.
Key Strengths: Wholesale expertise, R&D investment, reliable packing and service.
Large Power
Large Power specializes in custom lithium-ion batteries with expertise in high-safety, extreme-condition solutions (low/high temp, high-density). It supports marine through tailored packs for specialized vessels.
Key Strengths: 20+ years experience, integrated R&D/manufacturing, focus on high-end customization.
CoPow Battery
CoPow stands out as a leading lithium marine battery specialist. It leverages Grade A cells from CATL, EVE, and BYD, with deep customization for marine environments (salt spray resistance, vibration tolerance, high-voltage propulsion packs). It offers 12V/24V/48V deep-cycle, trolling motor, and high-power series, plus up to 10-year warranties and 50+ real-world marine projects.
Key Strengths: Expert engineering (ex-CATL/BYD), one-stop custom solutions, strong focus on electric propulsion and yachts.
Hunan CTS Technology Co., Ltd.
CTS excels in high-voltage and large-capacity electric boat batteries (e.g., 96V 300Ah, 400V-600V systems up to 150kWh+). It focuses on EV/marine propulsion packs with IP67 protection, liquid cooling, and PDU integration for commercial and yacht applications.
Key Strengths: High-power solutions for electric vessels, fast delivery, stable structures for heavy-duty marine use.
Propow Energy
Propow offers a comprehensive lineup of LiFePO4 marine batteries (12V-96V) tailored for fishing boats, yachts, and commercial fleets. Models support trolling motors and high-capacity needs with marine-grade features for reliability in harsh environments.
Key Strengths: Voltage flexibility, long-lasting performance, focus on fleet uptime and sustainability.
Polinovel
Polinovel is a professional manufacturer of lithium deep-cycle marine batteries, emphasizing lightweight design (up to 80% lighter than lead-acid), long cycle life (up to 10 years), high discharge rates, and IP65+ waterproofing. It provides trolling motor, Bluetooth-enabled, and custom solutions for bass boats, fishing vessels, yachts, and catamarans.
Key Strengths: Rigorous quality control, extensive customization (voltage, capacity, BMS features like Bluetooth/heating), proven projects..
Buzzup Battery
Buzzup manufactures customizable LiFePO4 marine batteries (12V-36V+) with Grade A+ battery cells, advanced self-developed BMS (multiple protections), and features like Bluetooth/LCD. It targets trolling motors, yachts, and deep-cycle needs.
Key Strengths: Lightweight, maintenance-free, vibration/shock resistant, strong customization and warranty.
How to Choose the Right Marine Battery Manufacturer
When evaluating a marine battery supplier, buyers should consider:
Battery Safety: Look for manufacturers with robust BMS technology and international certifications.
Customization Capability： Marine applications often require unique battery sizes, communication protocols, and installation methods.
Production Capacity： Ensure the supplier can scale production as your business grows.
Global Support： International certifications, documentation, and after-sales support are critical for long-term project success.
Conclusion
China remains one of the most important sources of marine lithium battery technology in 2026. While each manufacturer has its own strengths, Tritek Battery, DNK Power, Large Power, and CoPow stand out for their engineering capability and customization expertise, while MANLY, Gobel Power, Propow Energy, Polinovel, CTS Battery, and Buzzup provide strong alternatives for various marine applications.
Ready to power your marine projects with intelligent, custom lithium batteries? Explore Tritek’s solutions today: Visit Tritek Battery
