Description
1S 2A 3.7V 18650 Lithium Battery BMS Protection Charging Board – Safeguard Your Battery!
This 1S 2A BMS (Battery Management System) protection board is specially designed for single-cell 3.7V lithium-ion 18650 batteries. It ensures safe charging and discharging while protecting your battery from overcharge, over-discharge, overcurrent, and short circuits.
📦 Key Features & Benefits:
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🔋 Perfect for 18650 – Designed to work seamlessly with single 3.7V lithium-ion cells (like 18650). 
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⚡ 2A Current Support – Handles up to 2A discharge current for moderate load devices. 
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🔐 4 Protection Features – Includes overcharge, over-discharge, short circuit, and overcurrent protection. 
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🔄 Auto Recovery – Recovers automatically after fault removal (like short circuit or overcurrent). 
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🔧 Compact Size – Small PCB size, perfect for DIY, embedded, and portable projects. 
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💰 Economical Solution – Affordable safety solution for lithium battery packs. 
📊 Technical Specifications:
| Parameter | Value | 
|---|---|
| Product Name | 1S 2A 3.7V Lithium Battery BMS Board | 
| Battery Type | 1 Cell 3.7V Lithium-ion (18650) | 
| Max Charging Voltage | 4.2V ± 0.05V | 
| Max Discharge Current | 2A | 
| Overcharge Protection | Yes (4.25V ± 0.05V) | 
| Over-discharge Protection | Yes (2.5V ± 0.05V) | 
| Short Circuit Protection | Yes (Automatic Recovery) | 
| Board Size | Approx. 25mm x 16mm x 1.2mm | 
| Weight | Approx. 1 gram | 
🎯 Applications:
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🔦 LED Flashlights 
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🔋 Power Banks 
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📻 Small Radios 
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🎮 DIY Electronic Projects 
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📷 Portable Camera Power Packs 
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🧰 Robotics and Embedded Systems 









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