This is the 4V variant of the 2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module in Battery Protection Board. Available at ₹41.54 (₹35.20 + GST) with free shipping across India.
2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module
2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module is a small PCB mounted Li-ion Lithium Battery charger protection module. This small and smart battery charger protection module comes with various features like Short circuit protection, Overcharge protection, Over-discharge protection, Overcurrent protection. It is very easy to install and convenient to use in all your DIY portable projects.
Pin Descriptions:
B+ B-: The interface of battery core
P+ P-: The connector of the battery board
MB: The connection point between the batteries
B+: Battery V+ Positive
B-: Battery V- Negative
P+: Output / Charging V+
P-: Output / Charging V-
Note:
The protection board cannot be used for lithium iron phosphate batteries, hernia lamps, hand drill battery pack, electric fish battery pack, electric bicycle battery pack, buggy battery, 775 (4A) above the motor, 1W fisheye LED lamp.
Features:
- Over-Discharge Detection Voltage: 2.3-3.0V±0.05V.
- Maximum Working Current: 3A.
- Transient Current: 5A.
- Operating Temperature : -40-50 C.
- Internal Resistance: Less than 45m Ω.
- B+ B-: The interface of battery core.
- P+ P-: The connector of the battery board.
- MB: The connection point between the batteries.
Package Includes:
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Read More →Technical Specifications
| Voltage Range | 7.4V - 8.4V |
|---|---|
| Current Rating | 3A |
| Cell Configuration | 2S |
| SKU | AI1051 |
| Weight | 0.01 kg |
| Availability | In Stock |
Applications & Use Cases
The 2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module 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
Vinay Shetty (verified owner) –
Very satisfied with this 2S 3A Li-ion Lithium Battery 7.4V. Using it in my solar project, charges perfectly.
Meera Bhatt (verified owner) –
Bought multiple units of this 2S 3A Li-ion Lithium Battery 7.4V. All consistent quality. Zbotic is reliable.
Shubham Joshi –
Perfect 2S 3A Li-ion Lithium Battery 7.4V for my portable project. Battery life is better than expected.
Rakesh Rathore (verified owner) –
Good 2S 3A Li-ion Lithium Battery 7.4V. Output is stable. Gets slightly warm under full load but nothing concerning.
Pooja Joshi (verified owner) –
Good 2S 3A Li-ion Lithium Battery 7.4V. Output is stable. Gets slightly warm under full load but nothing concerning.
Siddharth Luthra (verified owner) –
This 2S 3A Li-ion Lithium Battery 7.4V is exactly what I needed. Output current capacity is as advertised.
HD Biswas (verified owner) –
Ankur Ghosh (verified owner) –
Love this 2S 3A Li-ion Lithium Battery 7.4V. Compact size and excellent performance. Worth the price.
Vaishali Nayak (verified owner) –
Great quality 2S 3A Li-ion Lithium Battery 7.4V. Powering my entire project board with this. Very reliable.
Tanya Singh (verified owner) –
This 2S 3A Li-ion Lithium Battery 7.4V performs flawlessly. Voltage regulation is precise and consistent.
Ramchandra Mestri (verified owner) –
zeenathameen67 (verified owner) –
good product
Devansh Kamath –
Great quality 2S 3A Li-ion Lithium Battery 7.4V. Powering my entire project board with this. Very reliable.
Prateek Parekh (verified owner) –
Nice 2S 3A Li-ion Lithium Battery 7.4V. Works as expected for my power needs. Good efficiency.
Sonali Shetty (verified owner) –
Superb 2S 3A Li-ion Lithium Battery 7.4V! Efficiency is high and it runs cool even under load.
Rohit Mishra (verified owner) –
Great 2S 3A Li-ion Lithium Battery 7.4V. Voltage is rock solid under varying loads. Highly recommended.