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Introducing the 5-20pcs 3.7V to 9V/5V 2A DC‑DC Step‑Up Boost Module with Type‑C & 18650 Lithium Battery Charging & Discharging Integration. This compact, high‑efficiency converter is designed for hobbyists, makers, and professionals who need reliable power conversion and smart battery management in a single, adjustable package.
Why Choose This Boost Module?
- 🔌 Wide Input Range: Accepts 3.7 V from a single 18650 cell and steps up to 5 V or 9 V output.
- ⚡ Stable 2 A Output: Delivers up to 2 A continuous current for fast charging and power‑hungry devices.
- 🔋 Integrated Charging & Discharging: Built‑in lithium‑ion battery management protects against over‑charge, over‑discharge, and short circuits.
- 📱 USB‑C Compatibility: Type‑C port provides modern, reversible connection for quick plug‑and‑play.
- 🔧 Adjustable Output: Precision potentiometer lets you fine‑tune voltage to 5 V or 9 V as needed.
- 📦 Bulk Pack Options: Available in packs of 5, 10, or 20 units—perfect for prototyping, production runs, or classroom kits.
Key Highlights
- High conversion efficiency (up to 92%) reduces heat and extends battery life.
- Compact PCB layout (30 mm × 20 mm) fits tight spaces in drones, wearables, and IoT projects.
- LED indicators for power, charging, and fault status simplify troubleshooting.
- Fully protected against reverse polarity and over‑current conditions.
- Easy solder‑free mounting with pre‑drilled holes for quick integration.
Compatibility
Works seamlessly with:
- Standard 18650 lithium‑ion cells (3.7 V nominal)
- USB‑C powered devices, Arduino, Raspberry Pi, ESP32, and other micro‑controller boards
- Portable LED strips, small motors, and sensor modules requiring 5 V or 9 V
Benefits for Your Projects
Whether you’re building a portable charger, a DIY drone, or a smart home sensor hub, this boost module provides:
- Reliable power conversion without bulky external chargers.
- Safety‑first battery management to protect valuable lithium cells.
- Flexibility to switch between 5 V and 9 V outputs on the fly.
- Scalable purchasing options for prototypes to small‑batch production.
How to Use
- Connect the 18650 cell to the BAT+ and BAT‑ terminals.
- Plug a USB‑C cable into the Type‑C port for input power or charging.
- Adjust the potentiometer to select 5 V or 9 V output.
- Connect your load to the VOUT+ and VOUT‑ pins.
- Monitor the LED indicators for real‑time status.
Technical Specifications
- Input Voltage: 3.7 V (single 18650) – 12 V (USB‑C)
- Output Voltage: Adjustable 5 V / 9 V
- Output Current: 2 A (max)
- Efficiency: Up to 92 %
- Operating Temperature: -20 °C to 60 °C
- Protection: Over‑charge, over‑discharge, short‑circuit, reverse polarity
- Dimensions: 30 mm × 20 mm × 8 mm
- Package: 5 pcs / 10 pcs / 20 pcs bulk reels
Upgrade your power solutions today with the 5-20pcs 3.7V to 9V/5V 2A DC‑DC Step‑Up Boost Module—the smart, safe, and versatile choice for modern electronics.
Price: $ 3.66