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Premium Custom Lithium Battery Packs for EV & Energy Storage

ISO9001-certified manufacturer of high-performance lithium-ion and LiFePO4 battery solutions. Trusted by over 3,000 enterprises across 70+ countries.

Lithium Battery Pack

Who We Are

Factory Tour

Chalong Fly – Your Trusted Battery Partner Since 2000

Hunan Chalong Fly Technology Co., Ltd. is a professional custom lithium-ion battery manufacturer with over two decades of experience in research, development, production, and wholesale of lithium battery packs and solar energy storage products.

With a strong technical team and advanced R&D capabilities, we lead in lithium battery PACK technology in China. We hold multiple invention and utility model patents and have contributed to special-purpose batteries for major national projects.

Our products serve industries including electric vehicles, industrial and commercial energy storage, logistics, marine, and military applications — all backed by strict quality assurance and excellent after-sales service.

Main Product Categories

We provide tailored lithium battery solutions for a wide range of applications across industries worldwide.

EV Battery

EV Lithium Battery Pack

For electric scooters, bikes, tricycles, motorcycles, and more.

Energy Storage

Energy Storage Battery

Residential, industrial, and portable systems with BMS integration.

Marine Battery

Marine & Industrial

Robust batteries for boats, AGVs, forklifts, and golf carts.

Featured Custom Battery Solutions

Explore our most popular custom-designed lithium battery packs built to meet exact specifications.

74V 342AH UAV Battery

74V 342AH Lithium Battery for UAV

High-density solution for unmanned aerial vehicles requiring long flight endurance and stable power delivery.

  • ✔ High Energy Density
  • ✔ Lightweight Design
  • ✔ Advanced BMS Protection
192V100AH Marine Battery

192V 100AH Marine Lithium Battery

Powerful and durable battery for large marine vessels with wide temperature tolerance.

  • ✔ IP67 Waterproof
  • ✔ 6000+ Cycles
  • ✔ BMS Integrated
60V100AH E-Tricycle

60V 100AH E-Tricycle LiFePO4 Battery

Reliable power source for electric tricycles with long cycle life and fast charging.

  • ✔ Long Cycle Life
  • ✔ Fast Charging
  • ✔ Thermal Stability
72V30AH Scooter

72V 30AH Electric Scooter Battery

Compact and efficient battery for high-speed electric scooters.

  • ✔ Lightweight
  • ✔ High Discharge Rate
  • ✔ Overload Protection
51.2V412AH Ship

51.2V 412AH Ship Lithium Battery

High-capacity solution for electric ships and large marine applications.

  • ✔ High Capacity
  • ✔ Corrosion Resistant
  • ✔ Remote Monitoring
48V280AH Agricultural

48V 280AH Agricultural Machine Battery

Built for heavy-duty agricultural equipment with extreme durability.

  • ✔ Shock Resistant
  • ✔ Wide Temp Range
  • ✔ 5-Year Warranty
12.8V100AH Boat

12.8V 100AH Boat & Marine Battery

Ideal for small boats and marine accessories with deep cycle performance.

  • ✔ Deep Cycle
  • ✔ Low Self-Discharge
  • ✔ BMS Protection
72V100AH Motorcycle

72V 100AH Electric Motorcycle Battery

High-voltage pack for performance electric motorcycles with rapid acceleration.

  • ✔ High Power Output
  • ✔ Fast Recharge
  • ✔ Safety Certified
View All 1000+ Products

Why Choose Us?

✓

20+ Years Experience

Engineers with decades of expertise in custom battery design and manufacturing.

🔧

Custom Design

Tailored solutions to meet your exact voltage, capacity, size, and performance needs.

🛡️

ISO9001 Certified

Quality management systems ensure consistent, reliable, and safe products.

🌍

Global Reach

Serving 3,000+ clients in over 70 countries with fast delivery and support.

3000+
Enterprises Served
70+
Countries Worldwide
20+
Years of Experience
1000+
Custom Projects Delivered

Frequently Asked Questions

Can you design a battery to my exact specifications?

Yes. Our engineering team specializes in custom battery design for voltage, capacity, dimensions, connectors, BMS, and environmental conditions.

What certifications do your batteries have?

Our products meet ISO9001 standards and UN 38.3 testing requirements. We also comply with CE, RoHS, and MSDS as needed.

What is the typical lead time for custom orders?

Lead time is typically 15–30 days depending on complexity and order volume. Prototypes can be delivered faster upon request.

Do you offer BMS integration?

Yes, all our battery packs include intelligent BMS for overcharge, over-discharge, short-circuit, and temperature protection.

Get in Touch

Contact our battery experts to discuss your custom requirements and get a free quote.

Contact Information

Contact Person: Rosa Liu

Phone: +86 18975107916

WhatsApp: +8618975107916

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