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Advanced LiFePO4 & Lithium Battery Solutions

Professional manufacturer of high-performance, IP68 waterproof lithium battery packs for underwater drones, e-vehicles, medical devices, power tools, and industrial applications. OEM/ODM services available with LG, Samsung, Panasonic cells.

Explore Products

High Energy Density

Up to 6000mAh 21700 cells with low-temp performance down to -30°C

IP68 Waterproof

Rated for depths up to 5000 meters for AUVs, underwater scooters, and drones

OEM/ODM Supported

Custom battery packs with BMS design, cell selection, and full testing

About PLMEN

Shenzhen PLMEN Battery Co., Ltd. was established in 2014 as a high-tech enterprise specializing in the research, development, production, and sales of lithium batteries, soft polymer batteries, and power battery systems.

Our products are widely used in underwater waterproof devices, portable medical equipment, walkie-talkies, rugged products, POS terminals, AGVs, security systems, power tools, electric vehicles, solar street lights, smart home devices, wearables, and consumer electronics.

PLMEN has passed ISO9001 and ISO14001 quality system certifications. Many of our products are approved by UL, KC, CE, CB, PSE, IEC62133, RoHS, and UN38.3 standards.

2014
Founded
30+
Engineers
8
Production Lines
PLMEN Factory

Our Products

High-performance lithium-ion and LiFePO4 battery packs for industrial, medical, marine, and consumer applications. Custom designs available.

PLMEN AUV IP68 Waterproof Battery

PLMEN AUV IP68 Battery 48V 100Ah

  • Voltage: 48V
  • Capacity: 100Ah
  • Discharge: 200A
  • Waterproof: Up to 5000m
  • Application: Underwater AUVs, robots
IP68 Waterproof
Underwater Scooter Battery

Underwater Scooter 14.8V 10Ah

  • Voltage: 14.8V
  • Capacity: 10Ah
  • Discharge: 50-60A
  • Waterproof: IP68, 50-60m
  • Supports: 800-1000W motor
Hot Swap Support
Electric Surfboard Battery

Electric Surfboard 72V 50Ah

  • Voltage: 72V
  • Capacity: 50Ah
  • Energy: ~3.6kWh
  • Waterproof: IP68
  • Application: E-surfboards, e-foils
High Capacity
Water Rescue Robot Battery

Water Rescue Robot 36V 12Ah

  • Voltage: 36V (10S)
  • Capacity: 12Ah
  • Waterproof: IP68
  • Application: Emergency rescue robots
  • Features: FUSE protection, long life
Emergency Use
Underwater Drone Battery

Underwater Drone 25.2V 8Ah

  • Voltage: 25.2V
  • Capacity: 8Ah
  • Energy: 201.6Wh
  • Waterproof: IP68, 50-60m
  • Supports: 400-600W motor
Drone Ready
Li-ion 21700 Battery Cell

Li-ion 21700 6000mAh Cell

  • Voltage: 3.6V
  • Capacity: 6000mAh
  • Discharge: 5C rate
  • Temp Range: -30°C to 80°C
  • Status: In stock, no MOQ
In Stock
Electric Boat Battery

Electric Boat 48V 40Ah

  • Voltage: 48V
  • Capacity: 40Ah
  • Waterproof: IP68
  • Application: Electric boats, marine
  • Features: BMS, FUSE protection
Marine Grade
Portable Power Station

Portable UPS 300W Solar

  • Power: 300W
  • Type: Smart Solar UPS
  • Application: Camping, emergency
  • Features: Solar compatible, portable
  • Market: Hot sale, wholesale
Portable

Why Choose PLMEN

Timely Delivery

We prioritize punctuality and track delivery progress as closely as quality control.

Best Quality

Guaranteed high-quality products through investment in advanced R&D and testing.

Custom Solutions

OEM/ODM services with full BMS design, cell selection, and turn-key solutions.

Excellent Support

Reliable pre- and post-sales service to address all client inquiries promptly.

R&D Support

As a professional battery manufacturer, PLMEN has a dedicated R&D team of approximately 30 engineers, including 5 PhDs, 10 Master's degree holders, and 15 Bachelor's degree graduates.

Our factory is equipped with around 30 units of automatic production equipment, 25 units of semi-automatic equipment, and 8 production lines to ensure precision and scalability.

  • Custom battery pack design
  • Cell selection (LG, Samsung, Panasonic, Sony)
  • BMS development and integration
  • Full testing and certification support
R&D Team and Equipment

Get a Free Quote

Have a battery project in mind? Contact PLMEN today for a free consultation and quote. Our engineering team will help you select the right cells, design the BMS, and deliver a complete turn-key solution.

Visit Official Website

All inquiries are handled directly through the official website.

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