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4S 6A 16V 18650 Li-ion BMS PCM

4S 6A 16V 18650 Li-ion BMS PCM

Regular price Rs. 249
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  • Blazingly Fast Charging: Power up your devices quickly with efficient 4S 40A charging.
  • Built to Last: High-quality PCB construction ensures long-lasting performance and durability.
  • DIY Dream Come True: Ideal for lithium battery projects, perfect for hobbyists of all levels.
  • Voltage Versatility: Handles 14.8V to 16.8V lithium batteries, making it suitable for various applications.
  • Smart Cell Care: Built-in balancing functionality ensures each cell charges evenly for optimal battery health.
  • Effortless Operation: User-friendly design makes it easy to use, from beginners to experienced users.
  • Battery Compatibility: Works with 18650, 26650, and polymer lithium batteries, offering flexibility for your projects.

4S 6A 16V 18650 Li-ion  BMS PCM 

The 4S 40A Li-ion Battery Charger PCB with Balance is the perfect solution for fast and efficient charging. Crafted with a durable build, this PCB is ideal for DIY projects, catering to DIY enthusiasts' needs.

Suitable for 14.8V to 16.8V lithium batteries, it covers a wide voltage range, making it versatile for various applications. The smart balancing feature ensures that each cell is charged evenly, promoting optimal battery health. Its user-friendly design makes it easy to use, suitable for both beginners and experienced users.

Compatible with 18650, 26650, and polymer lithium batteries, it offers versatility for different projects.

This 4S 40A Li-ion Battery Charger PCB guarantees quality and durability. Whether you're working on an RC project, a smartwatch, or any other DIY endeavor, this charger is a reliable choice. Get yours today for a fast and reliable charging experience.


  • Quick Charging: Achieve rapid device charging with efficient 4S 40A capability.
  • Durable Design: The high-quality PCB construction ensures enduring performance.
  • Versatile Voltage Handling: Supports 14.8V to 16.8V lithium batteries, suitable for various applications.
  • Smart Balancing Feature: Ensures even cell charging, promoting optimal battery health.
  • User-Friendly: Designed for easy operation, suitable for both beginners and experienced users.
  • Broad Compatibility: Seamlessly works with 18650, 26650, and polymer lithium batteries, providing project flexibility.


  • The 4S 6A 16V 18650 Li-ion BMS PCM can be used in DIY lithium battery packs for various applications
  • It is suitable for managing and protecting lithium-ion batteries in electronic devices
  • This BMS PCM board is designed to provide battery protection for 4 series lithium-ion battery packs
  • It can be utilized in projects requiring a 16V power supply with a 6A current rating
  • The board is ideal for applications that demand a peak current of up to 20A in a 14.8V or 16.8V configuration

Package Includes:

  • 1 x 4S 6A 16V 18650 Li-ion  BMS PCM 


Charging Current 40A
Voltage Compatibility 14.8V to 16.8V
Compatibility 18650, 26650, Polymer Lithium Batteries
Charging Voltage 16.8V - 18.1V
Continuous Discharge Current 40A (Reduce in poor cooling conditions)
Continuous Charge Current 20A
Overcharged Protection Voltage 4.2V - 4.3V
Balanced Starting Voltage 4.17V - 4.23V
Equilibrium Current 95mA - 105mA
Overcharge Recovery Voltage 4.1V - 4.2V
Over-discharge Protection Voltage 2.4V - 2.6V
Over-discharge Recovery Voltage 2.9V - 3.3V
Conduction Internal Resistance 2.5mΩ - 3.5mΩ
Overcurrent Protection Current 70A - 90A
Overcurrent Delay Time 100ms - 200ms
Continuous Operating Current 40A
Continuous Output Power 672W
Ambient Temperature -40°C - 85°C

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. Do I need BMS for 18650?

A BMS (Battery Management System) is crucial for 18650 lithium-ion batteries, preventing overcharging, over-discharging, and ensuring cell balance. It also offers overcurrent protection, preventing fires and excessive charging or draining. Use a BMS for safe and efficient 18650 battery operation.

2. Can I charge battery without BMS?

Using a BMS (Battery Management System) is recommended for safe charging, preventing overcharging. Charging without a BMS is possible with a balance connector and charger, but careful monitoring is crucial to avoid overcharging and exceeding cell voltage limits. Note: Charging without a BMS carries risks and requires caution.

3. What is the charging current of the 4S 6A 16V 18650 Li-ion BMS PCM?

The charging current is 40A, providing a fast and efficient charging experience for your lithium batteries.

4. Can I use this PCB for 26650 lithium batteries?

Yes, it is compatible with 18650, 26650, and polymer lithium batteries, offering versatility for various DIY projects.

5. Does it come with overcharge protection for lithium batteries?

Yes, it has overcharged protection with a voltage range of 4.2V - 4.3V to ensure the safety of your batteries.