72V 144V 300V Lithium Ion Marine Battery Pack Electric Boat Batteries With Cooling System

Chinese battery pack factory 72V 144V 300V lithium ion lifepo4 battery pack for ev boat with cooling system

Our custom lithium batteries are purpose-built to meet the demanding power and energy requirements of various traction motor applications — including golf carts, electric vehicles (EVs), e-bikes, boats, and more. Designed to integrate seamlessly with your vehicle’s system, each battery is engineered for optimal fit and maximum performance.

Equipped with an intelligent Battery Management System (BMS), our batteries offer advanced features such as:

• Precise cell balancing

• Efficient handling of regenerative currents

• Reliable protection against over-discharge and unnecessary disconnects

When off-the-shelf options fall short — whether due to space constraints, insufficient energy density, or performance limits — our engineering team is ready to design and build a tailor-made solution. We carefully match battery chemistry, form factor, and system integration to meet your specific vehicle and application needs.

Get the perfect battery built just for your electric vehicle — engineered for power, safety, and reliability.

• Over 6000 deep cycles, offering more than 10 years lifespan
• Seamless integration with high voltage battery packs and high voltage battery systems
• Customizable solutions with custom lithium ion battery packs and custom EV battery builds
• Full protection BMS covering short circuit, overcurrent, and overvoltage
• Available for large fleet needs through our EV battery wholesaler and EV battery distributor network
• Competitive EV battery pack cost and cheap EV batteries for OEMs and fleet managers
• High standards certified by leading battery manufacturers for EV and lithium battery OEMs

Specification :

Our Electric Vehicle Lithium Batteries are specifically designed to power all types of electric vehicles, from compact city cars to electric trucks and motorcycles. Featuring the latest lithium ion ev batteries and LFP prismatic battery cells, our electric vehicle battery packs provide high energy density, long cycle life, and superior thermal stability. Whether you need a 48V hybrid battery or a 96V 200Ah lithium battery, HEYI ENERGY delivers cutting-edge EV battery pack solutions for today's demanding mobility needs.

Features :

• High-efficiency EV battery system using Grade A lithium battery cells

• Compatible with electric car battery pack, ev battery cell, and electric vehicle battery module architectures

• Wide voltage options: 12V, 24V, 48V, 72V, 96V, 388V

• Various capacities available: from 10Ah to 600Ah

• Supports fast charging, auto start stop systems, and car start stop battery functions

• Options for NMC lithium battery, NMC pouch cell, and LFP prismatic battery cell configurations

Applications :

• Electric cars, SUVs, and light trucks
• Electric motorcycles, scooters, and e-bikes
• Pickup trucks, farm tractors, and food trucks
• EV trucks and semi-trucks with lithium truck batteries
• Electric minibuses and electric delivery vehicles
• New energy industrial vehicles, AGVs, and factory automation

E-Bikes / Scooters / Wheelchairs / Tricycle / Golf Cart / Electric Vehicles/Boat

HEYI ENERGY offer a full power solution of LiFePO4 battery pack + charger + control system

Our range covers from 12V / 24V / 48V / 72V / 96V to 800V.

With a capacity of 10 Ah / 20Ah / 30Ah / 50Ah / 100Ah / 200Ah / 600Ah.

If the standard batteries don’t fit for your application, then we can assembly a custom made Lithium battery based on your specifications .

Please send us your parameters as dimensions, voltage, capacity and required current and we will search together with you for a solution.

• High reliability with lithium iron phosphate battery cells and lithium nmc battery options

• One-stop solution: battery pack of electric vehicle + charger + control system

• Support for battery swapping stations and ev swapping station designs

• Direct partnerships with leading lithium battery manufacturers and battery cell suppliers

• Superior quality control with nmc battery cell, ncm lithium ion battery, and lifepo4 prismatic cells

• Full after-sales support and technical consultation for your custom EV project.