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1S 2A BMS (Battery Protection Module) - With Nickel Strip

SKU: ANGIC7W9QQ
★★★★ ★ ★
4.3 (80 reviews)
The 1S 2A BMS (Battery Protection Module) with Nickel Strip is a compact single-cell lithium battery protection board designed to provide basic protection for 3.7V nominal Lithium-Ion and Lithium Polymer batteries. The module is designed for 1S battery configurations and helps protect the connected cell against overcharge, over-discharge, overcurrent, and short-circuit conditions. The included nickel strip makes it convenient for...
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The 1S 2A BMS (Battery Protection Module) with Nickel Strip is a compact single-cell lithium battery protection board designed to provide basic protection for 3.7V nominal Lithium-Ion and Lithium Polymer batteries. The module is designed for 1S battery configurations and helps protect the connected cell against overcharge, over-discharge, overcurrent, and short-circuit conditions. The included nickel strip makes it convenient for battery-pack assembly and spot-welding applications where the protection board needs to be connected to a cylindrical lithium battery cell.

The module is designed for use with a single lithium-ion cell, such as a commonly used 18650 battery, with a nominal voltage of approximately 3.7V and a fully charged voltage of 4.2V. It monitors the battery voltage and current conditions and disconnects the battery when unsafe operating conditions are detected. This helps reduce the risk of excessive charging, deep discharge, short circuits, and excessive current draw during normal battery-pack operation.

The 1S 2A BMS provides a simple protection solution for small battery-powered electronics, portable devices, LED systems, DIY power supplies, small robotics projects, IoT devices, and rechargeable battery packs. The protection board is intended to be connected directly to the battery cell and load/charger according to the designated B+, B-, P+ and P- terminals. Correct wiring and polarity are essential for safe and reliable operation.

The included nickel strip is useful for assembling the protection circuit with cylindrical lithium battery cells using a suitable battery spot-welding machine. It allows users to create compact single-cell battery assemblies without directly soldering high-current connections onto the battery cell. Designed for hobbyists, electronics technicians, battery-pack builders, robotics enthusiasts, and DIY makers, this 1S 2A BMS provides a practical protection solution for low-current single-cell lithium battery applications.

Key Features

1S 2A BMS Battery Protection Module
Designed for Single Lithium Battery Cells
3.7V Nominal Battery Support
4.2V Fully Charged Battery Support
Up to 2A Current Protection
Overcharge Protection
Over-Discharge Protection
Overcurrent Protection
Short-Circuit Protection
Automatic Protection Function
Single-Cell Battery Management
Suitable for Li-ion Batteries
Suitable for LiPo Batteries
Compatible with 18650 Cells
Compact PCB Design
Lightweight Construction
Low Power Consumption
Included Nickel Strip
Suitable for Battery Spot Welding
Useful for DIY Battery Pack Assembly
B+ Battery Positive Connection
B- Battery Negative Connection
P+ Protected Positive Output
P- Protected Negative Output
Separate Protected Charge and Load Connection
Easy to Integrate
Ideal for IoT Projects
Suitable for LED Applications
Perfect for Small Robotics
Suitable for DIY Power Supplies
Ideal for Battery-Powered Devices
Suitable for Rechargeable Battery Projects
Excellent for Educational Projects
Compact Space-Saving Design
Provides Basic Battery Protection
Low-Cost Protection Solution

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Product Name: 1S 2A BMS Battery Protection Module with Nickel Strip
Product Type: Single-Cell Lithium Battery Protection Board
BMS Configuration: 1S
Battery Chemistry: Lithium-Ion / Lithium Polymer
Number of Cells: 1 Cell
Nominal Battery Voltage: 3.7V
Full-Charge Voltage: 4.2V
Overcharge Protection: Supported
Over-Discharge Protection: Supported
Overcurrent Protection: Supported
Short-Circuit Protection: Supported
Maximum Protected Current: Approximately 2A
Continuous Operating Current: Depends on Module Version and Operating Conditions
Protection Method: Electronic MOSFET-Based Switching
Battery Connection: B+ and B-
Output Connection: P+ and P-
Charging Connection: Through Protected P+ and P- Terminals
Load Connection: Through Protected P+ and P- Terminals
Nickel Strip: Included
Nickel Strip Application: Battery Cell Spot-Welding
Compatible Battery: Single 3.7V Li-ion / LiPo Cell
Compatible Cell Type: 18650 and Other Suitable Single-Cell Lithium Batteries
Battery Configuration: 1S
PCB Material: FR-4
Board Construction: Compact PCB Module
Mounting Type: Direct Battery Pack Integration
Connection Method: Soldering / Spot-Welded Battery Assembly
Power Requirement: Supplied by Connected Battery
Charger Requirement: Suitable 4.2V Single-Cell Li-ion Charger
Battery Balancing: Not Required for 1S Configuration
Battery Fuel Gauge: Not Included
Battery Charging Function: Protection Only
Protection Controller: Integrated BMS Protection IC
Switching Components: MOSFETs
Operating Temperature: Depends on Module Version and Load Conditions
Installation Type: Battery Pack Integration
Recommended Application: Low-Current Single-Cell Lithium Battery Systems
Applications: 18650 Battery Packs, DIY Power Banks, LED Devices, Portable Electronics, IoT Devices, Small Robotics, Rechargeable Gadgets, Battery-Powered Projects, DIY Electronics and Educational Projects
Package Includes: 1 × 1S 2A BMS Battery Protection Module with Nickel Strip

Additional Resources

BMS.PDF

FAQ

1. What is the 1S 2A BMS used for?

The 1S 2A BMS is used to protect a single 3.7V nominal lithium-ion or LiPo battery from overcharging, excessive discharge, overcurrent, and short-circuit conditions. It is commonly used in small rechargeable battery packs and DIY electronics projects.

2. Can this BMS be used with an 18650 battery?

Yes. The module is suitable for a single 3.7V nominal 18650 Li-ion cell, provided the cell and application are compatible with the board's approximately 2A protection rating.

3. Does this BMS charge the battery?

No. The BMS is primarily a battery protection circuit and should not be treated as a complete battery charger. A suitable single-cell 4.2V Li-ion/LiPo charger should be used to charge the battery through the protected terminals.

4. What is the purpose of the included nickel strip?

The nickel strip is intended for battery-pack assembly and can be spot-welded to a compatible cylindrical lithium battery cell. It provides a convenient connection method for integrating the battery with the BMS without directly soldering high-current connections onto the cell.

5. Can this BMS be used for a 2S or 3S battery pack?

No. This is a 1S BMS designed for a single lithium cell. It should not be used with 2S, 3S, or higher-series battery packs because those configurations require a BMS specifically designed for the corresponding number of cells.

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