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The 18650 12V 10A Lithium Battery Protection Board is a reliable Battery Management System (BMS) designed for 3-cell (3S) lithium-ion battery packs. Compatible with 11.1V nominal and 12.6V fully charged battery configurations, this protection board ensures safe and efficient battery operation through advanced protection mechanisms.
Engineered for high reliability and low power consumption, the board protects lithium battery packs from overcharging, over-discharging, overcurrent conditions, and short circuits. Its compact size makes it ideal for applications where space, integration, and cost efficiency are critical.
The board features automatic recovery functionality, restoring normal operation once fault conditions are removed. With an ultra-low quiescent current of less than 30μA and an operational lifespan exceeding 30,000 hours, it provides long-lasting performance while minimizing battery drain during standby.
Key Features
Designed for 3S lithium-ion battery packs (11.1V / 12V / 12.6V)
Overcharge protection
Over-discharge protection
Overcurrent protection
Short-circuit protection
Automatic recovery after fault removal
Compact and lightweight PCB design
Low standby current consumption (<30μA)
Internal resistance below 100mΩ
Service life exceeding 30,000 hours
Suitable for high-integration and cost-sensitive applications
Applications
DIY lithium battery packs
Robotics projects
IoT and embedded systems
Portable power solutions
Solar energy storage systems
Emergency backup power supplies
LED lighting systems
Electric toys and hobby electronics
Technical Specifications
Specification
Value
Battery Configuration
3S (3 × 18650 Cells)
Battery Type
Lithium-ion
Nominal Voltage
11.1V / 12V
Fully Charged Voltage
12.6V
Operating Current
6A – 8A
Current Limit Protection
10A – 13A
Quiescent Current
<30μA
Internal Resistance
<100mΩ
Storage Temperature
-40°C to +80°C
Protection Functions
Overcharge, Over-discharge, Overcurrent, Short Circuit
Recovery Mode
Automatic Self-Recovery
Expected Lifetime
>30,000 Hours
Important Notes
For loads drawing more than 3A, ensure that the battery pack supports a discharge rate greater than 3C.
Monitor battery temperature during operation. Excessive heating indicates unsuitable battery conditions or excessive load.
Continuous operation under high-temperature conditions may reduce battery life and cause permanent battery damage.
Always use high-quality and well-matched lithium-ion cells when assembling battery packs.
Benefits
This 3S 12V 10A Lithium Protection Board enhances battery safety, improves system reliability, and extends battery lifespan through intelligent protection and monitoring. Its low power consumption, compact form factor, and dependable performance make it an excellent choice for makers, hobbyists, and professional electronics developers.
Charging voltage
4.2V
Over Charge Protection
4.25V ±05V
Over Discharge Protection
2.45V ±05V
Max Working current
6A – 8A
Max peak current
10A – 13A
Life cycle
> 30000 hours
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