Dual USB 5V 1A/2.1A Mobile Power Bank PCB Module

Wiring Connections:

• Input Connection: Connect the input power (5V) to the appropriate pin for charging the module.
• Battery Connection: Connect lithium batteries to the designated battery terminals (positive and negative).
• Output Ports: Use standard USB cables to connect your devices to the USB output ports.

Power:

• Input: Requires a 5V power source for charging.
• Output: Provides up to 5V, with two different current outputs (1A and 2.1A) for various devices.

Input and Output:

• Input: Accepts 5V from USB chargers or power sources.
• Output: Two USB ports allowing simultaneous charging:
  • USB 1: 1A (suitable for low-power devices)
  • USB 2: 2.1A (suitable for tablets or fast-charging devices)

Physical Characteristics:

• Module Dimensions:  around 70mm x 50mm.
• Weight: Lightweight, about 20-30 grams.

Technical Specifications:

• Efficiency: High efficiency for minimal energy loss during charging.
• Battery Protection: Built-in circuit to prevent overcharging and deep discharge of connected batteries.
• Temperature Range: Operates effectively in a temperature range of -20°C to 60°C.

Additional Features:

• Easy Integration: Suitable for DIY projects and can be easily integrated into custom cases or portable devices.
• Versatile Applications: Ideal for building power banks, portable chargers, or backup power sources for electronic devices.

How to Use:

1. Connecting the Battery:
   • Attach compatible lithium-ion or lithium-polymer batteries to the designated battery terminals, ensuring correct polarity.
2. Powering the Module:
   • Connect a 5V power source to the input port using a micro USB cable or appropriate connector.
3. Charging Devices:
   • Connect your device to either of the USB output ports using standard USB cables. Choose the port based on the required charging current (1A or 2.1A).
4. Monitoring Charge Status:
   • Observe the LED indicator for charge status and battery level while in use.
5. Discharging and Charging:
   • Ensure to recharge the module once the battery is low to maintain performance.

Applications:

• Portable Power Banks: Create custom power banks for charging devices on the go.
• Backup Power Supplies: Use in emergency situations to power essential devices.
• DIY Electronics Projects: Ideal for makers and hobbyists looking to build battery-operated gadgets.

The Dual USB 5V 1A/2.1A Mobile Power Bank PCB Module is an efficient and convenient solution for powering devices on the move. Its dual output feature, compact design, and built-in safety protections make it an excellent choice for DIY enthusiasts and anyone in need of portable power solutions. Whether you’re creating a custom power bank or integrating it into a project, this module delivers reliable performance and ease of use.