Type-C 15W 3A 18650 Lithium Battery Charger Module DC-DC Step Up Booster Fast Charge UPS Power Supply / Converter 5V 9V 12V

Description

Overview

Experience reliable, high‑speed charging with the Type‑C 15W 3A 18650 Lithium Battery Charger Module. This compact DC‑DC step‑up booster combines fast‑charge technology, UPS power‑supply stability, and versatile voltage conversion (5V, 9V, 12V) in a single, easy‑to‑install module. Perfect for DIY electronics, portable power banks, and emergency backup systems.

Key Highlights

• ✅ 15W Fast Charge – Delivers up to 3A through a USB‑C PD interface for rapid battery replenishment.
• 🔋 Universal 18650 Compatibility – Optimized charging algorithm for standard 18650 Li‑ion cells (3.0 V‑4.2 V).
• ⚡ DC‑DC Step‑Up Converter – Adjustable output of 5 V, 9 V, or 12 V to power a wide range of devices.
• 🔌 USB‑C Power Delivery – Supports 5 V/3 A, 9 V/2 A, and 12 V/1.25 A profiles for maximum flexibility.
• 🔒 Built‑in UPS Function – Seamless switchover to battery power during power outages, protecting your gadgets.
• 🛡️ Safety First – Over‑charge, over‑current, short‑circuit, and temperature protection built‑in.
• 📏 Compact Design – Small footprint (45 mm × 25 mm × 12 mm) for easy integration into any project.

Technical Specifications

• Input: USB‑C PD 5 V – 12 V, up to 3 A
• Output Options: 5 V / 3 A, 9 V / 2 A, 12 V / 1.25 A (selectable via jumper or PWM control)
• Battery Compatibility: 18650 Li‑ion (3.0 V – 4.2 V), 2‑cell series (7.2 V – 8.4 V) supported
• Charging Current: 3 A (max)
• Efficiency: ≥ 92 % (typical)
• Operating Temperature: -20 °C – +60 °C
• Dimensions: 45 mm × 25 mm × 12 mm
• Weight: 12 g

Compatible Devices & Applications

• Portable power banks and DIY battery packs
• Arduino, Raspberry Pi, and other micro‑controller projects
• LED lighting systems and smart home gadgets
• Emergency UPS backup for routers, cameras, and small electronics
• Travel chargers, outdoor gear, and camping accessories

Why Choose This Charger?

Designed for makers, hobbyists, and professionals, this charger delivers the perfect blend of speed, safety, and versatility. Its USB‑C PD interface ensures future‑proof compatibility, while the built‑in UPS function guarantees uninterrupted power when you need it most. Whether you’re building a custom power bank or upgrading an existing device, the Type‑C 15W 3A 18650 Lithium Battery Charger Module provides a reliable, plug‑and‑play solution.

Installation & Usage Tips

• Connect the module’s input to a USB‑C PD charger or power source.
• Attach the 18650 cell(s) to the BAT+ and BAT‑ terminals, observing polarity.
• Select the desired output voltage using the onboard jumper or PWM control.
• Monitor the LED indicators: charging, full, and fault status.
• For continuous UPS operation, keep the charger powered while the battery is connected.

SEO Keywords

Type‑C 15W charger, 3A lithium battery charger, 18650 charger module, DC‑DC step‑up booster, fast charge UPS power supply, 5V 9V 12V converter, USB‑C PD charger, portable power bank charger, DIY battery charger, high‑efficiency lithium charger.