Lithium-Ion Battery BMS Board | 3S, 4S, 20A & Custom Boards – Eteily

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Introduction

Today's energy storage options rely on lithium-ion batteries, which power everything from smartphones and laptops to electric vehicles (EVs), solar systems, medical equipment, and IoT applications. However, a Battery Management System (BMS) board is required for safe operation, extended battery life, and maximum performance.

Eteily Technologies specializes in creating and delivering BMS boards for all lithium-ion battery packs, which are available in a variety of configurations, including 3S, 4S, 6S, 20A, and more, to meet worldwide demands.

What is the Lithium-Ion Battery BMS Board?

A battery management system (BMS) board is an electrical circuit that controls the charging, discharging, balancing, and general safety of lithium-ion battery packs. It serves as the "brain" of the battery, protecting it from harm and guaranteeing smooth operation.

Key Responsibilities of a BMS include:

  • Overcharge protection - prevents the battery cells from exceeding the safe voltage.
  • Over-discharge Protection - Prevents the pack from going below the critical voltage.
  • Short Circuit Protection - Prevents unexpected current spikes that might harm cells.
  • Cell Balancing - Ensures that all cells in the pack charge and discharge equally.
  • Temperature Protection - Prevents overheating throughout the charge/discharge cycle.

Eteily sells many types of lithium-ion BMS boards

1. 3S BMS Board :

  • Configuration: three cells in sequence (11.1 V nominal).
  • Applications include small battery packs, DIY projects, LED illumination, and portable gadgets.
  • Compact, inexpensive, and dependable protection for low-power packs.

2. 4S BMS Board :

  • Configuration: four cells in series (14.8 V nominal).
  • Applications include drones, solar backup kits, e-bikes, and power banks.
  • Features: Improved voltage range for medium-power devices, with balancing capabilities.

3. 6S and Higher BMS Boards :

  • Configuration: Six or more cells (22.2V nominal) connected in series.
  • Applications include power tools, electric scooters, and robots.
  • Features include strong durability and the capacity to handle larger current output.

4. 20A BMS Board :

  • Current Rating: Can handle up to 20A continuous current.
  • Applications include e-bikes, solar systems, UPS backup, and IoT energy storage.
  • Features: Strong load-bearing capacity, suitable for medium to high power requirements.

5. Custom Voltage and Current BMS Boards :

  • Eteily provides bespoke BMS systems for specific applications, with configurations ranging from 1S to 16S or more, and current ratings ranging from 10A to 100A.

Where are Lithium-Ion BMS Boards Used ?

1. Electric Vehicles (EVs): Protecting and balancing big battery packs.

2. Solar energy storage: ensures effective charging from solar panels.

3. Portable Electronics: Increasing the battery life of computers, tablets, and cameras.

4. Medical Equipment: Ensuring the dependability and safety of life-saving devices.

5. IoT devices: provide reliable electricity to linked smart systems.

6. UPS and backup systems: ensure a safe, long-term energy supply.

Features of Eteily's BMS Boards :

  • A wide range of options are available, including 3S, 4S, 6S, 7S, 20A and bespoke boards.
  • Compact, long-lasting PCBs designed to meet worldwide requirements.
  • Built-in overcharge, overdischarge, short circuit, and heat protection.
  • The balancing mechanism ensures uniform cell charging.
  • Export-quality goods with international shipping.
  • Available in both single and double-sided PCB configurations.

Why Choose Eteily Technologies for BMS Boards ?

  • Global Supplier: Exporting to various countries with dependable logistics.
  • Customization: Boards made to your pack's specs.
  • Proven Quality: Prior to delivery, each BMS is tested.
  • Wide Range: Supports all voltage and current combinations.

Eteily is dedicated to offering high-quality, dependable, and internationally competitive BMS boards that empower businesses and consumers alike. Whether you need a tiny BMS for a DIY project or a large-scale EV BMS, we have it covered.

Conclusion

A Lithium-Ion BMS Board is more than simply a circuit; it is the safety foundation of every lithium-ion battery pack. From 3S to 4S to 20A and beyond, Eteily Technologies provides dependable, high-performance BMS systems to clients all over the world.

If you need large orders, custom solutions, or global exports of BMS boards, Eteily is your reliable energy management partner.

Contact Us

Eteily Technologies India Pvt. Ltd.

📫 Address: B28 Vidhya Nagar, Near SBI Bank,
 📍  District: Bhopal, PIN: 462026, Madhya Pradesh
🌐 Website: https://eteily.com


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