✅ Description

Product Name: 5V 2.4A Type-C / Micro / Lightning USB Power Bank 18650 Charger Board

This multifunctional charger module is designed for assembling your own portable power bank using standard 18650 lithium-ion cells. It provides smooth charging, efficient boosting to 5V, and multiple USB input/output options including USB-C, making it highly compatible with modern devices. Perfect for DIY enthusiasts, repair shops, and custom electronics designs.

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🔋 Key Features

• Supports USB Type-C, Micro-USB, or Lightning ports for flexible input and output wiring

• Designed for 18650 Li-ion cells

• Delivers stable 5V output at up to 2.4A

• Integrated over-charge, over-discharge, and short-circuit protection

• Smart boost converter for efficient 3.7V → 5V regulation

• Compact PCB for easy enclosure mounting

• Auto load detection and automatic shutdown when idle

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⚙️ Specifications

• Input Voltage: 5V USB

• Battery Type: 1× (sometimes 2×) 18650 lithium-ion cell(s)

• Output Voltage: 5V DC

• Max Output Current: 2.4A

• Charging & Discharging: Combined charge/discharge control system

• Protection: Over-charge, over-discharge, over-current, short-circuit

• Module Type: Boost + charging management

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🔧 Applications

• DIY portable power banks

• Battery backup systems for phones/tablets

• USB-powered gadgets and accessories

• Portable power for microcontroller/Arduino/Raspberry Pi projects

• Travel power packs and emergency charging modules