4S 4A Lithium Battery Charging Module with Type-C Input | DC-DC Boost Charger Board for 14.8V Li-ion Pack

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 SupportDesigned to charge 4 cells (14.8V / 16.8V full charge) lithium-ion battery packs efficiently. �� Type-C Input ConvenienceModern USB Type-C input for easy power connection (5V input supported). �� Built-in Boost Converter CircuitConverts low voltage (5V) to required 16.8V charging voltage using high-efficiency boost IC. �� 4A Charging Current CapabilitySupports up to 4A charging current (depends on input power source). �� Smart Charging Control ICsDual 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 ComponentsIncludes 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