Direct factory supply of premium lithium and next-generation solid/sodium power systems customized for maritime, port equipment, and recreational angling demands throughout Osaka.
Why modern high-torque electric fishing reels across Osaka Bay and the Seto Inland Sea require custom-engineered 14.8V (4S) lithium chemistry over conventional lead-acid and standard voltage systems.
Osaka stands as the vibrant historical epicentre of Japan's commercial marine industry and recreational sportfishing culture. Bordering the fertile waters of Osaka Bay, the Kii Channel, and the sprawling Seto Inland Sea, the Kansai maritime cluster supports thousands of commercial fishing vessels, recreational charter operations (Yuria-sen), and internationally renowned tackle innovators. As electric reel technology has evolved to conquer extreme deep-drop angling for yellowtail, deepwater snapper (Kinmedai), hairtail (Tachiuo), and giant squid, the power demands on portable battery packs have grown exponentially.
Traditional lead-acid marine batteries (12V nominal, dropping rapidly to 11.2V under heavy load) can no longer sustain the peak-current demands of modern Japanese brushless motor reels (such as Shimano BeastMaster, ForceMaster, and Daiwa Seaborg series). Operating at standard 12 volts restricts motor winding speed, causing excessive heat buildup, slower retrieve rates, and premature thermal throttling during sustained battles in deep waters. This is where 14.8V nominal 4S Lithium-ion (NMC) and customized LiFePO4 packs provide a transformative advantage: delivering an ultra-stable 16.8V peak charging curve that unlocks 100% of the reel motor's rated winding speed and peak drag torque.
A custom 14.8V battery provides up to 30% faster line retrieval speed and 20% increased hoisting force under load compared to 12V systems. With continuous 25A-40A discharge capability and pulse currents up to 60A, anglers fishing the deep currents of Osaka Bay experience zero voltage drop, preventing reel resets and display flicker during high-torque hooksets.
Maintains consistent 14.8V nominal voltage (16.8V max) to maximize reel winding speed and constant drag pull, preventing motor bogging in 200m+ depths.
Engineered for corrosive Kansai coastal environments with ultrasonic sealed enclosures, nickel-plated pure copper contacts, and waterproof BM6 aviation terminals.
Proprietary intelligent battery management system with microsecond short-circuit cutoff, over-current limits, low-temperature cutoff, and thermal regulation.
Over 70% lighter and 60% smaller than conventional marine AGM batteries, allowing Osaka boat anglers seamless all-day mobile handheld operation.
Lithmate New Energy Co. Ltd is a professional lithium-ion battery manufacturer deeply focused on all aspects of motive power systems and energy storage systems, including design, research, development, manufacturing, and sales. Lithmate products are widely used in Electric Vehicles, Marine Applications, Industrial Equipment, Material Handling, and Energy Storage Systems.
Our technical R&D team comes from BYD, CATL, EVE, and Huawei, bringing together over 16 years of profound industry experience. Leveraging advanced lithium technologies, we have obtained more than 100 patents in BMS, Battery Modules, and Battery Connection Structures, earning the prestigious title of National High-tech Enterprise. Lithmate products are certified with UL, IEC, CE, MSDS, UN38.3, and RoHS, meeting global safety and environmental standards.
EXPLORE MORE
At Lithmate, we are not just supplying batteries; we are supporting your business and ensuring your success with trustworthy, reliable service every step of the way. From custom Osaka OEM tackle projects to commercial marine storage systems, we offer precision cell matching, rapid prototyping, and end-to-end technical assurance.
Delivering world-class lithium innovation backed by elite engineering teams from China's top tier battery pioneers.
With over 16 years of experience in the lithium battery industry, we bring unmatched expertise and reliability to every maritime and industrial battery project.
We provide full OEM/ODM services to help create personalized battery solutions tailored to your specific mechanical, electrical, and aesthetic requirements.
Free technical support is available at any time. Our professional R&D team, with engineers from top Chinese companies like BYD, CATL, and Huawei, is ready to assist with any technical inquiries.
Our highly effective sales service ensures you receive the best solutions, while our dedicated after-sales support team is always available to assist with any post-purchase needs.
Our technical R&D team comes from CATL, BYD, HUAWEI, and EVE, with over 16 years of industry experience. Leveraging advanced lithium technologies, we have obtained more than 100 technology patents in BMS, battery modules, and battery connection structures, and earned the title of National High-tech Enterprise.
We can achieve many complex battery systems. We not only provide standard solutions but also customized solutions and complete kit battery systems tailored for Osaka commercial buyers and brand owners.
From single-cell selection to intelligent IoT Bluetooth connectivity, explore the five core pillars of our bespoke battery manufacturing process.
Cylindrical cells or prismatic cells and cell models optional, such as 32650, 32700, 26650, 21700, and 18650. Sourced directly from Tier-1 cell partners (EVE, CATL) with matched internal impedance (≤15mΩ) and tight capacity grouping for superior cycle life.
The internal and external structure customization of the battery module makes batteries best fit for the application. High-grade anti-shock pure copper busbars, anti-vibration cell cradles, and marine potting compounds for salt-water resilience.
Battery Management System customization, including customizable charge/discharge continuous and pulse current ratings, support for high continuous power output, fast charging protocols, and multi-tier protection system settings.
According to your exact mechanical needs, we customize battery dimensions to fit rod holders, tackle boxes, or direct-reel-mount form factors. Deliver maximum watt-hour energy density in ultra-compact, ergonomic form factors.
We provide intelligent batteries equipped with Bluetooth real-time monitoring, remote diagnostics, self-heating for winter fishing, emergency start, ABS heavy-duty waterproof cases or CNC anodized metal housings, custom branding, and custom packaging.
1. Osaka Bay Tachiuo (Hairtail) Tenya Jigging: Anglers encounter swift vertical retrieves from 80-140m depths. A custom 14.8V 7Ah to 10Ah pack ensures continuous fast-action retrieves across 8-hour tournament days without power fade.
2. Deep-Drop Sea of Kumano & Kii Channel Expeditions: Targeting Akamutsu (Blackthroat Seaperch) and Medai at 200m to 500m depths requires high current bursts during heavy sinker retrieval. Our 14.8V high-rate 4S configurations sustain high-draw loads without triggering BMS thermal cutoffs.
3. Commercial Squid Fleets & Night Fishing: Custom multi-output 14.8V / 12V dual stations power both heavy-duty electric reels and high-lumen submersible LED fishing lights simultaneously with isolated DC-DC step-down modules.
Explore our full line of motive, marine starter, industrial equipment, and high-performance fishing reel lithium battery packs available for OEM customization.
Whether you are an established Japanese fishing tackle brand, an Osaka marine equipment importer, or an engineering team seeking custom OEM lithium solutions, we deliver rapid sample prototyping, JIS-compliant manufacturing, and direct factory pricing.
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