🔋 1S 3.7V 18650 Li-ion Battery BMS – Charger Protection Board Module by Ekastore
This 1S Battery Management System (BMS) module is designed to protect single-cell 3.7V 18650 Li-ion batteries during charging and discharging. It features built-in overcharge, over-discharge, and short circuit protection, ensuring safe and stable battery performance in DIY electronics, IoT devices, and power bank circuits.
✅ Key Features:
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Protects 1S 3.7V Li-ion Cells – Ideal for 18650 rechargeable batteries
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Overcharge & Over-discharge Protection – Ensures battery longevity
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Short Circuit & Overcurrent Safety – Prevents accidental damage to battery or load
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Compact Design – Easily fits in small enclosures and power modules
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Pre-Soldered Pads – Simplifies wiring with input/output terminals
⚙️ Specifications:
| Property | Details |
|---|---|
| Supported Cell Type | 1S 3.7V Li-ion (e.g., 18650) |
| Charging Voltage | 4.2V max |
| Overcharge Protection | ~4.25V ± 0.05V |
| Over-discharge Cutoff | ~2.5V ± 0.05V |
| Max Discharge Current | ~2–3A (approx., varies by model) |
| Short Circuit Protection | Yes (Auto-recovery type) |
| Dimensions | ~25mm × 15mm |
🛠️ Applications:
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18650 battery-based power banks
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DIY electronics and robotics
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Wearables and portable gadgets
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Solar charging circuits
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Low-power IoT devices
📦 Package Includes:
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1× 1S 3.7V 18650 Li-ion Battery BMS Protection Board – by Ekastore
🔐 Power your projects safely — protect your batteries with Ekastore BMS solutions.
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