LiTime Exhibits at Sea Japan 2026: Supporting Advanced Marine Power Systems with Lightweight, Long-Life, Smart Lithium Iron Phosphate Batteries

From April 22 to 24, 2026, LiTime, a company developing lithium iron phosphate (LiFePO4) energy systems, exhibited at "Sea Japan 2026," Japan's largest international maritime exhibition. The exhibition attracted numerous leading companies and professional visitors from the marine and ocean equipment sector. During the event, LiTime introduced smart lithium battery solutions for onboard power systems tailored for sea fishing boats, leisure yachts, and cruisers.

In recent years, with the increasing installation of electrical equipment such as navigation devices, communication systems, refrigerators, and lighting, the importance of stable power supply on vessels has grown. However, conventional lead-acid batteries present challenges in terms of weight, operating time, and management, posing significant hurdles for boat owners and refitters looking to upgrade their power sources. Addressing these needs, LiTime showcased its flagship product, the "12V 280Ah Bluetooth Lithium Iron Phosphate Battery," at the venue. Through system configuration demonstrations and a multi-voltage product lineup, the company clearly presented its marine lithium battery solutions, characterized by lightweight design, long lifespan, and smart management. This enables a more reliable, efficient, and easily manageable power supply for onboard equipment and living electricity.

**Achieving Stable Power Supply for Onboard Equipment with High-Capacity and Smart Lithium-Ion Batteries**

The LiTime 12V 280Ah Bluetooth Lithium Iron Phosphate Battery significantly improves weight, effective capacity, and cycle life, enabling stable and long-duration power supply for onboard equipment such as lighting, communication, navigation, small refrigerators, and pumps. Compared to conventional 12V 300Ah lead-acid batteries, it offers the following advantages:

* **Weight:** Weighing only 26.2kg, it is approximately one-third the weight of a lead-acid battery. This reduces the burden of installation and transport, and contributes to reducing the load on the hull.
* **Effective Capacity:** Capable of outputting up to 3584Wh, its effective capacity is approximately double that of lead-acid batteries. This allows for longer operating times and reduced charging frequency.
* **Cycle Life:** With a cycle life of over 4,000 cycles and a lifespan of up to 10 years, it is approximately 3 to 4 times that of lead-acid batteries. This contributes to reducing long-term replacement costs and maintenance burdens.

Furthermore, this product supports smart monitoring via Bluetooth, allowing real-time checking of key data such as remaining capacity, voltage, temperature, and cycle count through a dedicated app. This moves away from management reliant on experience, improving the safety and operational efficiency of marine batteries.

In terms of safety, it is equipped with multiple BMS protection functions and low-temperature protection functions, as well as IP65 dustproof and waterproof performance, making it suitable for the rapidly changing marine environment. It also supports expansion up to 4 series and 4 parallel connections, flexibly adapting to various vessel types and future system expansions.

**Visualizing Actual Marine Power Operations with System Demonstrations**

To provide a more intuitive understanding of power supply to onboard loads using lithium-ion batteries, LiTime constructed a demo system consisting of the "12V 280Ah Bluetooth Lithium Iron Phosphate Battery," "12V 1000W Inverter," and "12V 40A Battery Charger." This system replicated the flow of power supply in an actual vessel.

In this system, the battery provides stable power, the inverter converts DC power to AC power to drive onboard equipment, and the charger replenishes the battery when connected to shore power or an external power source. This division of roles demonstrates the basic operational structure of a marine auxiliary power supply.

Compared to exhibiting individual products, such a system demonstration allowed for a more concrete understanding of the coordination between each device and the role of lithium-ion batteries, clearly presenting the image of introducing a practical power system.

For boat owners, benefits such as extended operating time, weight reduction, and simplified operation can be expected. For refitters and system integrators, it provides a power solution that leads to more efficient design, installation, and maintenance.

**Supporting Diverse Marine Applications with a Multi-Voltage Platform**

In addition to the flagship product, various models of lithium iron phosphate batteries, such as the "12V 460Ah Battery," "24V 200Ah Battery," and "48V 100Ah Battery," were also exhibited at the venue. This lineup of products with different capacities and voltages presents a comprehensive overview of energy solutions for diverse marine applications.