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3S 10A Li-ion 18650 Charger Protection Board Module – 10.8V 11.1V 12.6V
The 3S 10A Li-ion 18650 Charger Protection Board Module is a compact BMS circuit designed to safeguard 3-cell lithium battery packs operating at 10.8V, 11.1V, or 12.6V. It provides comprehensive protection against overcharge, over-discharge, overcurrent, and short circuit conditions, ensuring your batteries run safely and efficiently.
Equipped with low-resistance MOSFETs and intelligent balancing, this 3S 10A Li-ion 18650 Charger Protection Board Module supports up to 6A continuous discharge and 10A peak current. It integrates an auto recovery function, allowing the system to reset automatically after fault clearance, which makes it highly reliable for long-term use.
🔧 Key Features
- Overcharge, over-discharge, short-circuit, and overcurrent protection
- Supports 3S lithium battery packs (18650, 26650, polymer cells)
- Continuous discharge: up to 6A with peak 10A support
- Auto recovery function restores operation after faults
- Quiescent current below 30µA for efficiency
- Durable PCB with compact dimensions for easy installation
- Service life of more than 50,000 hours
📐 Technical Specifications
| Product Name | 3S 10A Li-ion 18650 Charger Protection Board Module – 10.8V 11.1V 12.6V |
| Supported Batteries | 3S (3-cell) Li-ion, 18650, 26650, polymer lithium |
| Nominal Voltage | 10.8V / 11.1V / 12.6V |
| Charging Voltage | 12.6V – 13V |
| Overcharge Protection | 4.25V – 4.35V ±0.05V |
| Discharge Cut-off Voltage | 2.3V – 3.0V ±0.05V |
| Continuous Current | 5A – 6A |
| Peak Current | 10A max |
| Quiescent Current | ≤30 µA |
| Internal Resistance | ≤45 mΩ |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +80°C |
| Board Dimensions | 50 × 16 × 3.4 mm |
| Weight | ~3 g |
| Service Life | 50,000+ hours |
📌 Applications
- Power packs for drills, sprayers, and small tools
- Battery packs for LED lights and massagers
- Solar street light and 12V backup power systems
- DIY energy storage projects and inverters
- Embedded electronics and prototyping circuits
💡 Why Choose This Product?
The 3S 10A Li-ion 18650 Charger Protection Board Module delivers safety, efficiency, and durability for lithium battery systems. Its combination of MOSFET-based control, precise cutoff voltages, and auto-recovery function ensures long battery life and reliable protection for all your 3-cell lithium projects.
📦 Package Includes
- 1 × 3S 10A Li-ion 18650 Charger Protection Board Module
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