2S 5A 18650 Li-ion Battery Protection Board - 2S 5A BMS Module
Your orders placed before 17:00 PM on weekdays are shipped the same day. Free shipping over 150 RON.
7.13RON
Ex Tax: 7.13RON
- Stock: In Stock
- Model: A1251.BMS2S5A
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
🔋 2S 5A 18650 Li-ion Battery Protection Board BMS – Overcharge, Overdischarge & Short Circuit Protection
The 2S 5A BMS Protection Board is designed to safeguard 2-cell (7.4V nominal) 18650 lithium-ion battery packs. It features comprehensive protection functions including overcharge, over-discharge, over-current, and short circuit protection. Thanks to its built-in MOSFETs and precision voltage detection circuits, this module ensures both battery safety and long life.
✅ Key Features
- 🎯 High-precision voltage detection for each cell
- ⚡ Triple overcurrent detection circuit for enhanced safety
- 🔥 Supports 3.7V lithium-ion battery cells in 2S configuration
- 💤 Ultra-low standby current for long-term battery life
- 📏 Compact design, ideal for space-limited applications
📐 Technical Specifications
- Charging Voltage Range: 8.4V – 9V
- Overcharge Protection: 4.25V – 4.35V ±0.05V
- Over-discharge Protection: 2.5V – 3.0V ±0.05V
- Maximum Continuous Discharge Current: 5A
- Limit Instantaneous Current: 7A
- Operating Voltage: 7.4V (2S)
📌 Soldering Instructions
- B+ : Connect to battery pack positive terminal
- B- : Connect to battery pack negative terminal
- MB : Connect to the joint between cell 1 and cell 2
- P+ : Positive terminal for charging/discharging
- P- : Negative terminal for charging/discharging
📦 Package Includes
- 1 × 2S 5A Li-ion Battery Protection Board (BMS)
This BMS module is perfect for DIY 2S lithium-ion battery packs in portable electronics, robotics, and IoT projects.
Your orders placed before 16:30 on weekdays are dispatched the same day.
