🔌 Dual USB Output Ports – Charge two devices at once with 5V 2A total output

🔋 Battery Compatibility – Supports 3.7V lithium-ion and polymer batteries (including 18650 cells)

🛡️ Safety Protection Built-In – Overcharge, over-discharge, short-circuit, and overcurrent protection

⚙️ Compact Design – Easy to install in custom enclosures or DIY power bank cases

💡 Low Power Consumption – Efficient design for long battery life

📏 Approximate Size – 68mm × 30mm × 12mm

🔧 User-Friendly Setup – No soldering required for basic installation

🔌 Dual USB Output Ports – Charge two devices simultaneously with a total 5V/2A output

🔋 Battery Compatibility – Works with 3.7V lithium-ion and polymer batteries (18650, flat cells, etc.)

💡 LED Battery Level Indicator – 4-stage display shows real-time battery charge status

🛡️ Built-in Protection Circuitry – Prevents overcharge, over-discharge, over-current, and short-circuit

⚙️ Compact PCB Design – Easy to fit into custom cases or enclosures (Approx. 68×30×12mm)

🧠 Auto Power-Off Feature – Shuts down intelligently when not in use

🧰 Plug-and-Play Setup – No soldering required; quick battery terminal connection

🔧 Perfect for DIY & Learning – Ideal for electronics students, makers, and repair professionals

Dual USB output ports (5V/2A shared) – charge two devices at once

Compatible with 3.7V–5V lithium-ion and polymer batteries (e.g., 18650)

Built-in protection against overcharge, over-discharge, and short-circuit

Compact and lightweight PCB (approx. 68mm × 30mm × 12mm)

Energy-efficient design for extended battery life

Simple wiring – ideal for DIY users, students, and repair technicians

Suitable for custom power banks, portable chargers, and electronics projects

Dual USB Ports with shared 5V/2A output (up to 2.1A per port) for efficient simultaneous charging.

Intelligent Current Distribution automatically balances power between connected devices.

RoHS Certified PCB with 1.0mm thickness for environmental safety and durability.

Triple Protection System safeguards against overcharging, over-discharging, and short circuits.

Stable Voltage Regulation maintaining output within ±5% tolerance for device safety.

Wide Input Voltage Support (3.7V to 5V) compatible with 18650 and Li-Po batteries.

Auto-Recognition of Charging Protocols ensures fast and smart charging for various devices.

High-Temperature Resistant PCB (batch 2016011919) designed for longevity and reliability.

Gold-Plated USB Ports enhance corrosion resistance and ensure stable connections.

Compact & Lightweight Design measuring just 68×30×12mm, ideal for portable use and tight spaces.

🔌 Triple USB Output Ports: Charge up to 3 devices at once with 5V 2A total output

⚡ Boost Converter: Converts 3.7V battery to 5V stable USB power

🔦 Built-in LED Torch: Small but powerful light for emergencies

🔋 Battery Protection Circuit: Prevents overcharging, over-discharging, and short circuits

📦 Easy to Use: Just connect a 3.7V Li-ion battery (like 18650) and you’re ready to go

🎯 Ideal for DIY Projects: Make your own custom power banks, USB hubs, or emergency chargers

DIY power bank charging & discharging control module

Supports Micro-USB & Type-C input (5V)

Dual USB-A output ports for charging two devices simultaneously

Output ratings: 5V / 1A and 5V / 2.1A

Compatible with 3.7V Li-ion / Li-Po batteries

Recommended for 18650 battery cells

Built-in battery protection & charging management

Compact slim PCB design for easy installation

Ideal for DIY electronics projects, portable chargers, and repairs