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How to Use DIY Triple USB Power Bank Module: Examples, Pinouts, and Specs

Image of DIY Triple USB Power Bank Module
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Introduction

The DIY Triple USB Power Bank Module by Robocraze, part number RC-B-557, is a versatile and compact electronic component designed for hobbyists and professionals alike to create a custom power bank. This module is capable of charging multiple devices simultaneously, thanks to its three USB ports. It is commonly used to provide portable power for smartphones, tablets, and other USB-powered gadgets, making it an ideal solution for on-the-go charging needs.

Explore Projects Built with DIY Triple USB Power Bank Module

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Battery-Powered 18650 Li-ion Charger with USB Output and Adjustable Voltage Regulator
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This circuit is a battery management and power supply system that uses three 3.7V batteries connected to a 3S 10A Li-ion 18650 Charger Protection Board Module for balanced charging and protection. The system includes a TP4056 Battery Charging Protection Module for additional charging safety, a Step Up Boost Power Converter to regulate and boost the voltage, and a USB regulator to provide a stable 5V output, controlled by a push switch.
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Battery-Powered UPS System with Waveshare UPS 3S and Solar Charger
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This circuit is a power management system that integrates a 12V power supply, a solar charger power bank, and multiple Li-ion batteries to provide a stable power output. The Waveshare UPS 3S manages the input from the power sources and batteries, ensuring continuous power delivery. The MRB045 module is used to interface the solar charger with the rest of the system.
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Battery-Powered Lora G2 Node Station with 18650 Li-ion Batteries and Boost Converter
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This circuit is a portable power supply system that uses multiple 18650 Li-ion batteries to provide a stable 5V output through a boost converter. It includes a fast charging module with a USB-C input for recharging the batteries and a battery indicator for monitoring the battery status. The system powers a Lora G2 Node Station, making it suitable for wireless communication applications.
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Battery-Powered USB-C PD Trigger with MP1584EN Power Regulation
Image of BatteriLading: A project utilizing DIY Triple USB Power Bank Module in a practical application
This circuit is a power management system that uses multiple 18650 Li-ion batteries connected in series to provide a stable power output. The batteries are regulated by MP1584EN power regulator boards, which step down the voltage to a suitable level for the connected USB-C PD trigger board and a power jack. The system ensures a consistent power supply for devices connected to the USB-C port and the power jack.
Cirkit Designer LogoOpen Project in Cirkit Designer

Explore Projects Built with DIY Triple USB Power Bank Module

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Image of Breadboard: A project utilizing DIY Triple USB Power Bank Module in a practical application
Battery-Powered 18650 Li-ion Charger with USB Output and Adjustable Voltage Regulator
This circuit is a battery management and power supply system that uses three 3.7V batteries connected to a 3S 10A Li-ion 18650 Charger Protection Board Module for balanced charging and protection. The system includes a TP4056 Battery Charging Protection Module for additional charging safety, a Step Up Boost Power Converter to regulate and boost the voltage, and a USB regulator to provide a stable 5V output, controlled by a push switch.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of Copy of s: A project utilizing DIY Triple USB Power Bank Module in a practical application
Battery-Powered UPS System with Waveshare UPS 3S and Solar Charger
This circuit is a power management system that integrates a 12V power supply, a solar charger power bank, and multiple Li-ion batteries to provide a stable power output. The Waveshare UPS 3S manages the input from the power sources and batteries, ensuring continuous power delivery. The MRB045 module is used to interface the solar charger with the rest of the system.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of Custom-Lora-G2-Node: A project utilizing DIY Triple USB Power Bank Module in a practical application
Battery-Powered Lora G2 Node Station with 18650 Li-ion Batteries and Boost Converter
This circuit is a portable power supply system that uses multiple 18650 Li-ion batteries to provide a stable 5V output through a boost converter. It includes a fast charging module with a USB-C input for recharging the batteries and a battery indicator for monitoring the battery status. The system powers a Lora G2 Node Station, making it suitable for wireless communication applications.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of BatteriLading: A project utilizing DIY Triple USB Power Bank Module in a practical application
Battery-Powered USB-C PD Trigger with MP1584EN Power Regulation
This circuit is a power management system that uses multiple 18650 Li-ion batteries connected in series to provide a stable power output. The batteries are regulated by MP1584EN power regulator boards, which step down the voltage to a suitable level for the connected USB-C PD trigger board and a power jack. The system ensures a consistent power supply for devices connected to the USB-C port and the power jack.
Cirkit Designer LogoOpen Project in Cirkit Designer

Technical Specifications

General Features

  • Input Voltage: 5V via micro USB
  • Output Voltage: 5V on USB ports
  • Battery: Supports 18650 Li-ion battery (not included)
  • Charging Current: Up to 2A
  • Discharge Current: Up to 2.1A per USB port
  • Protection: Overcharge, over-discharge, short circuit, and overcurrent protection

Pin Configuration and Descriptions

Pin Number Description Notes
1 Micro USB Input (5V) For charging the power bank
2 Battery Connector (+) Connect to positive terminal
3 Battery Connector (-) Connect to negative terminal
4 USB Output 1 (5V, 2.1A max) For charging external devices
5 USB Output 2 (5V, 2.1A max) For charging external devices
6 USB Output 3 (5V, 2.1A max) For charging external devices
7 LED Indicator Shows charging and power status

Usage Instructions

Building Your Power Bank

  1. Battery Installation: Insert one or more 18650 Li-ion batteries into the provided slots, ensuring correct polarity.
  2. Charging the Module: Connect a 5V charger to the micro USB input. The LED indicator will show the charging status.
  3. Using the Power Bank: Connect your USB devices to the USB outputs. Press the power button to begin charging.

Best Practices

  • Use high-quality 18650 batteries with protection circuits to prevent overcharging and over-discharging.
  • Do not expose the module to moisture or extreme temperatures.
  • Ensure that the total current draw from the USB outputs does not exceed the maximum discharge current rating.

Troubleshooting and FAQs

Common Issues

  • Power Bank Not Charging: Ensure the micro USB cable and charger are functioning correctly. Check the battery polarity and connections.
  • USB Device Not Charging: Verify that the USB cable is intact and the device is compatible with a 5V USB charge.
  • LED Indicator Not Working: Check if the battery is properly installed and charged.

FAQs

Q: Can I use this module without an 18650 battery? A: No, the module requires at least one 18650 battery to function.

Q: How many devices can I charge at once? A: You can charge up to three devices simultaneously, but ensure the total current does not exceed the module's limit.

Q: What should I do if the module gets hot during use? A: Disconnect all devices and let the module cool down. Ensure proper ventilation and check for overloading.

Conclusion

The DIY Triple USB Power Bank Module by Robocraze is a convenient and efficient solution for creating a custom power bank. With its straightforward design and multiple USB outputs, it offers a reliable power source for your electronic devices while on the move. Always follow the usage instructions and safety guidelines to ensure optimal performance and longevity of your DIY power bank.