The 3S-4A Step-Up Boost Lithium Battery Charger Module 12.6V is designed for safely charging 3-cell lithium battery packs with stable and efficient performance. It offers strong output and protection features, making it suitable for schools, robotics, and DIY projects. The 3S-4A Step-Up Boost Lithium Battery Charger Module 12.6V by StemVolt ensures dependable charging with easy integration into various electronic setups. Its compact design, reliable build, and user-friendly operation make it an ideal choice for makers and students.
Related Products:
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3S 12V Li-ion Battery BMS Protection Board
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4S Lithium Battery Charging Module
Applications:
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Charging 3-cell Li-ion and LiPo battery packs
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Robotics and automation projects
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DIY electronics and college engineering models
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Power supply for portable prototypes
Specifications:
| Parameter | Details |
|---|---|
| Input Voltage | 12–15V DC |
| Output Voltage | 12.6V for 3S lithium batteries |
| Charging Current | Up to 4A |
| Supported Batteries | 3-cell Li-ion / LiPo |
| Protection Features | Overcharge, overcurrent, short-circuit |
| Operating Mode | CC/CV (constant current/constant voltage) |
| PCB Quality | High-quality FR4 material |
| Efficiency | High efficiency and stable performance |
| Use Case | DIY projects, robotics, electronics labs |
Features:
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Safe charging for 3S lithium battery packs
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Built-in protection for long battery life
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Compact and easy to install in any project
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High current output for fast and stable charging
Package Includes:
1 × 3S-4A Step-Up Boost Lithium Battery Charger Module 12.6V


















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