Description
4S 4A Lithium Battery Charging Module with Type-C Input | DC-DC Boost Charger Board for 14.8V Li-ion Pack
This module is a step-up (boost) charging board.
It takes 5V input from Type-C and boosts it to 16.8V required for 4S lithium battery packs.
👉 Simply:
- Connect Type-C input
- Connect battery to BAT + / GND
- Charging starts automatically
Perfect for DIY battery packs, repair work, and electronics projects.
📌 Key Features & Highlights
- ⚡ 4S Lithium Battery Charging Support
Designed to charge 4 cells (14.8V / 16.8V full charge) lithium-ion battery packs efficiently. - 🔌 Type-C Input Convenience
Modern USB Type-C input for easy power connection (5V input supported). - 🔼 Built-in Boost Converter Circuit
Converts low voltage (5V) to required 16.8V charging voltage using high-efficiency boost IC. - 🔥 4A Charging Current Capability
Supports up to 4A charging current (depends on input power source). - 🧠 Smart Charging Control ICs
Dual IC design ensures stable voltage regulation and current control. - 💡 LED Indicators (OK / CR)
- 🔴 Charging Indicator (CR)
- 🟢 Fully Charged Indicator (OK)
- 🛡️ Protection Features
- Overcurrent Protection
- Overvoltage Protection
- Short Circuit Protection
- 🔧 High Quality Components
Includes SS34 Schottky diode, 100µH inductor, precision resistors, and SMD ICs.
📊 Specifications Table
| Parameter | Details |
|---|---|
| Battery Type | Lithium-ion (Li-ion) |
| Battery Configuration | 4S (4 Cells in Series) |
| Input Voltage | 5V (Type-C Input) |
| Output Voltage | 16.8V (Max Charging Voltage) |
| Charging Current | Up to 4A (Depends on Input Source) |
| Conversion Type | DC-DC Boost Converter |
| Efficiency | High Efficiency Boost Circuit |
| Indicators | Charging (CR), Full (OK) |
| Protection | Overcurrent, Overvoltage, Short Circuit |
| Input Interface | USB Type-C |
| Output Terminals | BAT + / GND |
| PCB Quality | Industrial Grade SMD Components |
🛠️ Applications / Use Cases
- 🔋 DIY 4S Lithium Battery Pack Charging
- 🚗 Electric Vehicle (EV) Battery Projects
- 🔧 Electronics Repair & Testing
- 🔊 Portable Speaker Battery Systems
- ⚡ Power Bank (High Voltage Projects)
- 🛠️ Technician Lab & Workshop Use
- 🤖 Robotics & Automation Projects
💡 Why Choose This Module?
- ✔️ Compact & Powerful Design
- ✔️ Type-C = Modern & Easy Use
- ✔️ High Current Output (4A)
- ✔️ Reliable for Technicians & DIY Users
- ✔️ Cost-Effective Charging Solution
⚠️ Important Notes
- ❗ Use high current Type-C power supply (≥5V 3A recommended)
- ❗ Ensure correct battery polarity before connecting
- ❗ Not a BMS (Battery Management System) – use external BMS if required
Reviews
There are no reviews yet.