Waveshare Mini Uninterruptible Power Supply module, Supports charging And Power output at the same time, 5V 2.5A Output

The Waveshare Mini Uninterruptible Power Supply (UPS) module is a compact power management solution designed to provide seamless backup power for Raspberry Pi, Arduino, and embedded Linux systems during mains power interruptions. This intelligent UPS module enables simultaneous charging and power output functionality, allowing connected devices to continue operating without interruption while the internal battery charges from an external power source. Professional IoT developers, automation engineers, and embedded systems integrators rely on this module to ensure mission-critical applications maintain uptime during power fluctuations and outages.

Product Overview

The Waveshare Mini UPS module operates on a sophisticated power management architecture that utilizes a high-capacity lithium polymer battery coupled with intelligent charging circuitry and power distribution electronics. The module automatically detects mains power loss within milliseconds and seamlessly switches to battery backup, providing continuous 5V power at up to 2.5A output capacity. This dual-mode operation means the device can simultaneously accept charging current from an external power adapter while delivering regulated power to connected loads, making it ideal for continuous operation scenarios where the battery charges during normal operation and provides backup during power loss events.

The advanced power management IC integrated into this module includes over-current protection, thermal management, and voltage regulation circuitry that ensures stable output even under varying load conditions. The compact form factor makes it suitable for space-constrained embedded applications, while the standardized 5V output voltage ensures compatibility with most single-board computers and microcontroller platforms. The module features intelligent battery monitoring with low-battery detection capabilities, allowing connected systems to implement graceful shutdown procedures before complete battery depletion occurs.

Key Specifications

Specification	Details
Product Type	Mini Uninterruptible Power Supply Module
Brand	Waveshare
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Output Voltage	5V DC regulated
Maximum Output Current	2.5A continuous
Input Voltage Range	5V DC to 9V DC
Battery Type	Lithium Polymer (LiPo)
Simultaneous Charging and Output	Yes, supported
Switchover Time	Less than 10 milliseconds

Key Features

• Simultaneous Charging and Power Output: Accepts charging current while delivering continuous power to connected devices, enabling uninterrupted operation during mains power availability
• High Current Capacity: Delivers up to 2.5A at regulated 5V output, sufficient for powering Raspberry Pi 4, Arduino boards, and multiple peripheral devices simultaneously
• Automatic Switchover: Detects mains power loss within milliseconds and seamlessly transitions to battery backup without interrupting connected systems
• Compact Form Factor: Mini-sized design with minimal footprint makes it ideal for embedded applications, IoT projects, and space-constrained installations
• Over-Current and Thermal Protection: Integrated protection circuitry safeguards against short circuits, excessive current draw, and thermal runaway conditions
• Low-Battery Detection: Provides status signals for connected systems to implement graceful shutdown procedures before complete battery depletion

Applications and Use Cases

• Raspberry Pi Backup Power: Ensures continuous operation of Raspberry Pi-based home automation systems, security cameras, and data logging applications during power outages
• IoT Edge Computing: Provides uninterrupted power for edge computing nodes, sensor hubs, and gateway devices in industrial IoT deployments where data integrity is critical
• Network Equipment Protection: Maintains power to network switches, routers, and wireless access points during mains power fluctuations, preventing network downtime
• Embedded Linux Systems: Supports continuous operation of embedded Linux boards, industrial controllers, and automation equipment in manufacturing and process control environments
• Portable Development Platforms: Enables developers to test and debug embedded applications without power supply constraints during field deployments and remote installations

How to Use

To set up the Waveshare Mini UPS module, first connect the external power input (5V to 9V DC) to the module's input connector using an appropriate power adapter. Connect your Raspberry Pi, Arduino, or target device to the module's 5V output connector, ensuring proper polarity and secure connections. The module will automatically begin charging its internal battery while simultaneously supplying power to your connected device. During normal mains power operation, the battery charges continuously while the device draws power from the external source, ensuring the battery remains fully charged and ready for backup operation.

When mains power is interrupted, the module automatically switches to battery backup mode within milliseconds, providing uninterrupted 5V power to your connected device. Monitor the module's status indicators or implement software monitoring via GPIO pins if your device supports it, allowing your application to detect low-battery conditions and initiate graceful shutdown procedures. For optimal battery lifespan, avoid completely discharging the battery regularly; instead, restore mains power as soon as possible to resume charging. Ensure proper ventilation around the module during operation to maintain optimal thermal performance, especially when delivering maximum current output of 2.5A.

Frequently Asked Questions

Can the Waveshare Mini UPS module charge and output power simultaneously?

Yes, this is one of the key features of this module. It can accept charging current from an external power adapter while simultaneously delivering regulated 5V power at up to 2.5A to connected devices. This means your Raspberry Pi or Arduino can run continuously while the internal battery charges in the background, ensuring the battery is always ready for backup operation.

What is the switchover time when mains power is lost?

The Waveshare Mini UPS module detects mains power loss and switches to battery backup in less than 10 milliseconds. This extremely fast switchover time ensures that connected devices experience no interruption in power supply, preventing data loss or system crashes during power transitions.

How long will the battery provide backup power?

The backup duration depends on the internal battery capacity and the current draw of your connected device. At full 2.5A output, the battery typically provides 30-60 minutes of backup power, though this varies based on the specific battery capacity in your module. For devices drawing lower current (such as a Raspberry Pi Zero at 0.5A), backup duration can extend to several hours.

Is the module compatible with Raspberry Pi and Arduino?

Yes, the module is fully compatible with Raspberry Pi (all models), Arduino boards, and other 5V-powered embedded systems. The standardized 5V output and 2.5A capacity make it suitable for most single-board computers and microcontroller platforms commonly used in hobbyist and professional applications.

What input voltage range does the module accept?

The Waveshare Mini UPS module accepts input voltages between 5V DC and 9V DC, allowing flexibility in power adapter selection. Most standard USB power adapters (5V) and wall-mounted adapters up to 9V are compatible. Ensure your power adapter provides sufficient current capacity (at least 3A recommended) to support both device operation and battery charging simultaneously.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

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