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Premium Li-Ion & LiFePO4
Battery BMS Solutions

High-performance Battery Management Systems, 18650 Cells, Prismatic LiFePO4 Cells, and Complete Battery Packs for Electric Vehicles, Solar Energy Storage, and Industrial Applications — Direct from Shenzhen, China.

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High Efficiency

Advanced BMS ensures optimal charge balance and long cycle life.

Industrial Grade

Designed for EVs, solar systems, and heavy-duty applications.

Safety Certified

MSDS, ROHS, FCC compliant with full quality control.

Who We Are

Shenzhen Paisen Technology Co., Ltd. is a leading manufacturer and exporter of high-quality Battery Management Systems (BMS), lithium-ion and LiFePO4 battery cells, and complete battery packs. Located in the heart of China’s tech hub, Shenzhen, we specialize in providing reliable, safe, and high-performance energy solutions for electric vehicles, solar energy storage, and industrial applications.

Our products are engineered with precision and tested rigorously to meet international safety standards including MSDS, ROHS, and FCC. With years of experience in battery technology, we serve clients across North America, Europe, Asia, and beyond.

500+
Products
40+
Countries Served
10K+
Units Shipped
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Our Premium Products

Explore our wide range of Battery Management Systems, 18650 Cells, LiFePO4 Prismatic Cells, and Complete Battery Packs — all designed for performance, safety, and longevity.

10S 36V 15A Li Ion Battery BMS

10S 36V 15A Li Ion Battery BMS

  • • Voltage: 36V (10S)
  • • Current: 15A
  • • PCB Material: FR4
  • • Application: E-bikes, Scooters
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LiFePO4 280Ah Prismatic Cell

LS 280Ah 3.2V LiFePO4 Prismatic Cell

  • • Capacity: 280Ah
  • • Voltage: 3.2V
  • • Cycle Life: 3000+ times
  • • Application: EV, Energy Storage
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18650 Battery Cell

MSDS 2600mAh 3.7V 18650 Cell

  • • Capacity: 2600mAh
  • • Voltage: 3.7V
  • • Size: 18x18x65mm
  • • Application: E-scooters, Home Energy
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20S 72V Smart BMS

20S 72V Smart BMS with Bluetooth

  • • Voltage: 72V (20S)
  • • Current: 50A–200A
  • • Features: RS232, Bluetooth, APP
  • • Board Thickness: 2mm
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3.2V 230Ah LFP Cell

4000x 3.2V 230Ah LFP Prismatic Cell

  • • Capacity: 230Ah
  • • Cycle Life: 4000 times
  • • Application: Energy Storage, EV
  • • Grade A, CALB
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12V LiFePO4 Battery

12V 100Ah LiFePO4 Battery Pack

  • • Voltage: 12V
  • • Capacity: 100Ah
  • • Built-in BMS
  • • Application: Solar, RV, Marine
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4S 12V 100A LiFePO4 BMS

4S 12V 100A LiFePO4 BMS

  • • Voltage: 12V (4S)
  • • Current: 100A
  • • Solar-ready
  • • High-efficiency protection
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Heat Shrink Wrap Tube

290–390mm Heat Shrink Tubing

  • • Sizes: 290mm, 360mm, 390mm
  • • Matte finish
  • • Protects Li-ion battery packs
  • • Durable and heat-resistant
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Why Choose LiIonBatteryBMS?

Engineered for reliability, safety, and performance — trusted by engineers and manufacturers worldwide.

Certified Quality

All products meet MSDS, ROHS, FCC, and other international safety standards. Full documentation available.

Global Shipping

Fast and reliable delivery to over 40 countries. DDP and FOB options available.

Expert Support

Technical assistance and customization support from our engineering team.

OEM/ODM Friendly

Custom BMS, battery packs, and branding options for bulk orders.

Long Cycle Life

Up to 5000 cycles with LiFePO4 cells. Built to last in demanding environments.

24/7 Inquiry Response

We respond to all inquiries within hours — not days.

500+
Products
40+
Countries
10K+
Units Shipped
99.8%
Customer Satisfaction

Frequently Asked Questions

What is a BMS and why do I need it?

A Battery Management System (BMS) monitors and protects your battery pack by balancing cells, preventing overcharge/discharge, and ensuring safe operation. It extends battery life and prevents hazards.

Do you offer custom BMS solutions?

Yes, we provide OEM/ODM services for BMS boards, battery packs, and labeling. Contact us with your specifications.

Are your LiFePO4 cells Grade A?

Yes, all our LiFePO4 prismatic cells are Grade A, sourced from reputable manufacturers like CALB, EVE, and LS.

What is the warranty on your products?

Warranty ranges from 3 months to 1 year depending on the product. Please inquire for specific terms.

Can I integrate your BMS with Bluetooth or RS232?

Yes, we offer smart BMS with Bluetooth, RS232, and APP integration for real-time monitoring.

Get in Touch

For quotes, technical support, or customization requests, visit our official website to contact us directly.

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