Description
3S 2A Lithium Battery Charging Module with Type-C Input | 12.6V Li-ion Charger Board
This 3S 2A Lithium Battery Charging Module is a compact and efficient solution for charging 3-series lithium battery packs (11.1V nominal / 12.6V full charge).
From the uploaded PCB, the module features a USB Type-C input, making it highly convenient for modern power adapters. The onboard DC-DC boost circuit (marked with 100 inductor) increases the input voltage to properly charge a 3S battery pack.
The dual IC design ensures accurate voltage control and stable current output, while onboard SMD components provide smooth filtering and protection. Clearly labeled BAT terminals simplify wiring, making this module suitable for both beginners and professionals.
Whether you are building a battery pack, power backup system, or DIY electronics project, this module delivers reliable and safe charging performance.
🔥 Key Features & Highlights
- ⚡ 3S Lithium Battery Charging Support – Designed for 3 Series (3S) Li-ion / LiPo battery packs (12.6V full charge)
- 🔌 Type-C Input Port – Modern USB Type-C input for easy and reliable power connection
- 🚀 2A Charging Current – Fast and efficient charging capability (depends on input supply)
- 🔋 Smart Charging IC – Dual IC design ensures stable charging & voltage regulation
- 🔄 Boost Converter Circuit – Step-up design (inductor “100”) boosts voltage to required 12.6V
- 🛡️ Built-in Protection – Overcharge, overcurrent, and short circuit protection
- 📌 Clearly Marked Terminals – BAT+, BAT-, VIN, GND for easy installation
- 🔧 Compact & Lightweight Design – Ideal for DIY and embedded projects
📊 Technical Specifications
| Parameter | Details |
|---|---|
| Battery Type | Lithium-ion / LiPo (3S Pack) |
| Number of Cells | 3 Cells (3S Configuration) |
| Full Charge Voltage | 12.6V |
| Input Port | USB Type-C |
| Input Voltage | 5V (recommended high current adapter) |
| Charging Current | Up to 2A (depends on input supply) |
| Conversion Type | DC-DC Boost Converter |
| Inductor Marking | 100 (Boost Circuit) |
| Protection Features | Overcharge, Overcurrent, Short Circuit |
| Output Terminals | BAT+, BAT- |
| Board Type | Compact SMD Design |
⚙️ Applications / Use Cases
- 🔋 DIY 3S Battery Pack Charging
- 🚗 Electric Vehicle (EV) small battery projects
- 🔦 Portable power banks & backup systems
- 🔧 Electronics repair & testing setups
- 🛠️ Robotics and DIY electronics projects
- 🔌 Solar battery charging systems (with proper input regulation)
⚠️ Important Notes (Very Important for Buyers)
- ❗ Use high current 5V adapter (2A or more) for proper operation
- ❗ This is a charging module, not a BMS (Battery Management System)
- ❗ Always use balanced and healthy battery cells
- ❗ Ensure correct polarity (BAT+ and BAT-) before connection
- ❗ Avoid using low-quality USB cables (may reduce charging current)
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