4S 30A Battery Management System ( BMS ) – LifePO4
Description
The 4S 30A BMS for Battery of LifePO4 chemistry is a high quality, reliable BMS. It comes in use with LifePO4 batteries. Its a high current protection circuit board but it has no balancing circuit. It has continuous discharge current of 30A (Max). The BMS provides overcharge protection, over discharge protection, and over current detection.
This 4S 30A BMS module is usable with LifePO4 Battery with 4S (4 Series) Design.
NOTE: This BMS Does not provide balance charging of battery.
- Charging Voltage: 14.8V to 18V
- Charge Current: 20A (max)
- Constant Discharge Current: 30A
- Max discharge current: 56 A
- Overcharge detection: 3.75V ± 0.05V
- Overcharge Release: 3.6V ± 0.05V
- Over discharge Detect: 2.1V ± 0.08V
- Over Discharge Release: 2.3V ± 0.1V
- Over current Protection: 56 ± 10 A
- over current Protection Release Condition: Cut Load
- Working Temperature: -30 to 80° C
Connections:
Package Includes:
- LifePO4 4S 30A Battery Management System x 1
- JST XH 5 pin Right Angle Connector x 1
- JST XH 5 pin Cable x 1
Specification
| Weight | 25 g |
|---|
Technical Specifications
| Current Rating | 30A |
|---|---|
| Cell Configuration | 4S |
| SKU | AI7076 |
| Weight | 0.13 kg |
| Availability | Out of Stock |
Applications & Use Cases
The 4S 30A Battery Management System ( BMS ) – LifePO4 is a versatile battery protection board used across a wide range of applications including lithium battery pack protection, power bank builds, e-bike battery management, solar energy storage, and UPS systems.
Common use cases:
- Building a custom lithium battery pack
- Adding overcharge/overdischarge protection
- Creating a DIY power bank
This product is ideal for battery pack builders and power electronics engineers.
Technical Tip: BMS boards prevent overcharge, overdischarge, overcurrent, and short circuit. Match cell count (S) and max current rating to your battery pack.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Tarun Trivedi (verified owner) –
Bought multiple units of this 4S 30A Battery Management System –. All consistent quality. Zbotic is reliable.
Ankur Vyas (verified owner) –
This 4S 30A Battery Management System – performs flawlessly. Voltage regulation is precise and consistent.
Devansh Yadav (verified owner) –
Great 4S 30A Battery Management System –. Voltage is rock solid under varying loads. Highly recommended.
Vinay Choudhury (verified owner) –
This 4S 30A Battery Management System – is exactly what I needed. Output current capacity is as advertised.
Hemant Vohra –
Great quality 4S 30A Battery Management System –. Powering my entire project board with this. Very reliable.
Raj Bhandari (verified owner) –
Very satisfied with this 4S 30A Battery Management System –. Using it in my solar project, charges perfectly.
Tarun Chauhan (verified owner) –
This 4S 30A Battery Management System – performs flawlessly. Voltage regulation is precise and consistent.
Pankaj Patil (verified owner) –
Great 4S 30A Battery Management System –. Voltage is rock solid under varying loads. Highly recommended.
Vikram Saini (verified owner) –
Love this 4S 30A Battery Management System –. Compact size and excellent performance. Worth the price.
Deepak Modi (verified owner) –
Perfect 4S 30A Battery Management System – for my portable project. Battery life is better than expected.
Firoz Akhter (verified owner) –
good working
Daksh Sethi (verified owner) –
Good 4S 30A Battery Management System –. Output is stable. Gets slightly warm under full load but nothing concerning.
Pankaj Verma (verified owner) –
Great 4S 30A Battery Management System –. Voltage is rock solid under varying loads. Highly recommended.
Ashwin Bisht (verified owner) –
This 4S 30A Battery Management System – is exactly what I needed. Output current capacity is as advertised.
Vaishali Vyas (verified owner) –
Bought multiple units of this 4S 30A Battery Management System –. All consistent quality. Zbotic is reliable.
A1 COMPUTER (verified owner) –
iam buying 4s 30A LifePO4 BMS BLUE COLOUR BOARD
YOUR SEND ME 18650 BATTERY BMS GREEN COLOUR BOARD
Deepika Mittal (verified owner) –
This 4S 30A Battery Management System – is reliable and efficient. Running my IoT setup 24/7 with no issues.
Tushar Jain (verified owner) –
Nice 4S 30A Battery Management System –. Works as expected for my power needs. Good efficiency.
Mohit Sharma –
Decent 4S 30A Battery Management System –. Voltage output is accurate. Compact form factor is a plus.
Kiara Kohli (verified owner) –
Great quality 4S 30A Battery Management System –. Powering my entire project board with this. Very reliable.
Anirudh Jain –
Perfect 4S 30A Battery Management System – for my portable project. Battery life is better than expected.
Girish Mukherjee (verified owner) –
Good quality 4S 30A Battery Management System –. Ripple is low. Suitable for most electronics projects.