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Legend Batteries – The Safest Lithium Ion Battery Manufacturer

Specialized in R&D and manufacturing of high & low temperature, waterproof, and explosion-proof Li-ion battery packs

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About Legend Battery

Founded in 2014, Legend Battery began as a distributor of premium 18650 and 21700 battery cells from Panasonic, Murata (Sony), Samsung, LG, and Molicel. In 2016, we expanded into battery pack manufacturing, and by 2018, we established our own SMT facility.

Today, with over 300 professional employees, a strong engineering team from top-tier companies like ATL and BYD, and 5,000㎡ of ISO9001 and ISO14001 certified production facilities, we deliver custom lithium-ion battery solutions for a wide range of industries.

2014
Company Founded
300+
Employees
5,000㎡
Production Space
28
Engineers
LiFePO4 Battery Pack

Why Choose Legend Battery?

Expert Engineering Team

Our core engineers are from industry leaders like ATL and BYD, bringing deep expertise in battery chemistry, safety, and performance optimization.

Certified Quality

Our 5,000㎡ facility is ISO9001 and ISO14001 certified, ensuring consistent quality, environmental responsibility, and process reliability.

Custom Solutions

From standard 18650 packs to explosion-proof, waterproof, and extreme temperature batteries, we design and build to your exact needs.

Our Products

LiFePO4 Battery Pack

Custom LiFePO4 Battery Pack

High safety, long cycle life, and thermal stability. Ideal for solar storage, golf carts, and EVs.

  • • 24V 200Ah & 51.2V 100Ah models
  • • Wall-mounted and rack options
  • • BMS integrated
Container ESS

Container Energy Storage System

Scalable, modular solutions for commercial and industrial energy storage.

  • • High energy density
  • • Remote monitoring
  • • Fire suppression system
Marine Battery

Lithium Marine Battery

Waterproof, corrosion-resistant packs for yachts, sailboats, and fishing vessels.

  • • Deep cycle performance
  • • Low self-discharge
  • • Vibration resistant
21700 Battery Cell

21700 Battery Cell

High-capacity cylindrical cells for power tools, e-bikes, and portable devices.

  • • INR21700-50E, 53G, 48X models
  • • High discharge rate
  • • Long cycle life
Custom Lithium Ion Pack

Custom Lithium Ion Pack

Tailored solutions for medical devices, robotics, UAVs, and consumer electronics.

  • • 18650, 21700, prismatic options
  • • Custom BMS & connectors
  • • Prototypes in 7 days
Lithium Polymer Pack

Lithium Polymer Battery Pack

Ultra-thin, lightweight packs for drones, wearables, and compact devices.

  • • Pouch cell technology
  • • Flexible form factors
  • • High energy density
Golf Cart Battery

Golf Cart Battery

High-torque, long-range LiFePO4 packs for 48V, 60V, and 72V systems.

  • • Fast charging
  • • 2000+ cycle life
  • • Regenerative braking support
Medical Device Battery

Medical Device Battery

Reliable, safe power for ventilators, infusion pumps, and portable monitors.

  • • UL/IEC 60601 certified
  • • Low noise design
  • • Emergency power mode
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Applications

Medical Devices

Ventilators, infusion pumps, patient monitors

Marine

Yachts, sailboats, fishing boats

EV & Golf Carts

E-bikes, tricycles, golf carts

Energy Storage

Home, container, solar systems

Robotics

AGV, FPV, UAV, industrial robots

Consumer Electronics

Portable devices, power tools

Extreme Temp

High & low temperature operation

Special Use

Waterproof, explosion-proof packs

10,000+
Battery Packs Delivered
50+
Global Clients
7
Days Avg. Prototype Time
2000+
Charge Cycles

Contact Legend Battery

Get in Touch

Shenzhen Headquarters:

Xiangfu Hall, 1st Floor, Mele Building, No. 28 Cuijing Road, Pingshan District, 518118 Shenzhen, China

Hong Kong Office:

No.2-309, 2/F, Chung King Express, Nos.36, Nathan Road, Tsim Sha Tsui, Hong Kong

Shenzhen: +86 755 2341 1266

Hong Kong: +852 3050 1725

WhatsApp: +86 150 1268 7801

Send Us a Message

Have a custom battery project? Our engineering team will turn your idea into a real lithium-ion battery within 7 working days.

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