Description
Are you looking for a reliable and affordable 1s bms for your electronic projects? The 1s BMS 3.7V 10A Li-ion 18650 Battery Protection Board is an absolute must-have component for safely managing your single-cell lithium batteries. Whether you are repairing a rechargeable device or building a custom power bank, this module ensures your battery operates within safe limits. বাংলাদেশে যারা নিজে নিজে পাওয়ার ব্যাংক, টর্চলাইট বা ব্যাটারি প্যাক তৈরি করতে চান, তাদের জন্য এই 1s bms board অত্যন্ত কার্যকরী এবং নিরাপদ একটি সার্কিট।
🔥 Key Features & Benefits
- High Output Current: Supports up to 10A continuous discharge current, making it perfect for heavy-duty mini applications.
- Complete Protection: Provides full overcharge, over-discharge, short-circuit, and over-current protection for optimal battery health.
- Mosfet Technology: Equipped with premium 4-6 high-quality MOS tubes for low internal resistance and superior heat dissipation.
- Compact Design: Extremely small footprint, easily fitting inside tight battery enclosures.
⚙️ Specification Table
| Specification | Details |
|---|---|
| Product Type | 1s BMS (Battery Management System) |
| Standard Voltage | 3.7V (4.2V Fully Charged) |
| Max Continuous Current | 10A |
| Overcharge Detection | 4.25V ±0.05V |
| Over-discharge Detection | 2.5V ±0.1V |
| Cell Compatibility | 18650, 14500, 26650, Li-Po |
| Short Circuit Protection | Yes (Self-recovery) |
📦 Additional Info
- Dimensions: Approx. 40mm x 12mm x 3mm
- Weight: ~3 grams
- Package Includes: 1 x 1s BMS 3.7V 10A Board
🎯 Applications
This highly efficient 1s 18650 bms is widely used in various electronic applications:
- DIY Power Banks and high-power Flashlights
- Rechargeable LED backup lighting systems
- Small vacuum cleaners, massagers, and mini motor packs
- Any DIY electronics requiring a safe 3.7V Li-ion battery source

✅ Get the Best Price in Bangladesh
At HTE Bangladesh (HTEBD), we guarantee original components at the most competitive rates. Order your 1s bms board today and ensure a long-lasting, safe life for your lithium cells. Get the best 1s bms price in Bangladesh with fast nationwide delivery!
❓ Frequently Asked Questions (FAQ)
1. Can I use this 1s bms for a 5A device?
Yes, absolutely! Even if your search was specifically for a bms 1s 5a, using a 10A board is a much safer alternative. It runs cooler and provides extra headroom for sudden power spikes.
2. Is it suitable for multiple 18650 batteries?
Yes, you can connect multiple 18650 cells in parallel (e.g., 1S2P, 1S3P) using this bms 3.7 v 1s, provided the maximum combined current draw of your device does not exceed 10A.
3. How do I wire the module?
Connect B+ to the positive terminal of the battery and B- to the negative terminal. The P+ and P- pads act as the common ports for both charging input and discharging output.







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