Geekworm X728 UPS for Raspberry Pi - 5.1V 6A Power Backup

In this review of the Geekworm X728 UPS for Raspberry Pi, the bottom line is straightforward: this board is for makers and small server builders who need an intelligent, compact backup and controlled shutdown for a Raspberry Pi setup. The X728 provides a clear benefit by combining up to 5.1V at a claimed 6A output with built-in power management, auto power-on and safe shutdown features, so projects that must survive brief outages or require graceful shutdowns will find it useful. It is a practical choice when uninterrupted power and battery monitoring matter more than plug-and-play simplicity.

Key Features

• 5.1V 6A Output: Delivers a high-current UPS output to keep a Raspberry Pi and a few peripherals powered under load.
• Intelligent Power Management: Handles auto power-on and full poweroff from software so the system can reboot and shut down safely without manual intervention.
• Battery Capacity Reading: Provides battery level feedback so users can monitor remaining runtime and plan shutdowns before depletion.
• Low Battery Auto Shutdown: Automatically powers down the Pi when battery voltage falls to the recharge threshold to protect the battery and avoid data corruption.
• Buzzer Alarm and RTC: Includes a buzzer for alerts and a real time clock for timestamping events or timed power actions.
• Stackable 40-pin Header: Keeps the Pi 40-pin header available so the board can stack with other shields like HDD/SSD or MSATA adapters for expanded use.

Who It's For

The X728 is aimed at hobbyists, home server builders, and developers using Raspberry Pi who need a reliable UPS solution with software-controlled shutdown and battery monitoring. It suits applications where brief outages must not corrupt data and where the Pi may need to be powered from a battery during maintenance or transport.

This is not the best choice for users expecting plug-and-play simplicity without reading the manual, or for those who want a battery with a built-in protection circuit, since the board requires a specific battery setup and cautions against using protected batteries. Professionals needing certified commercial UPS hardware for critical infrastructure should look elsewhere.

Pros & Cons

Pros

• Robust power capability with up to 5.1V and a high current rating for powering Pi 4 and peripherals.
• Comprehensive power management features including auto power-on, safe shutdown, and software-initiated full poweroff.
• Useful monitoring features such as battery capacity reading, low battery auto shutdown, buzzer alerts and RTC support.
• Design preserves the 40-pin header so the board can stack with other Raspberry Pi accessories and drive attached storage safely.

Cons

• Some users report mixed functionality and build quality, and GPIO pins may be offset compared to the Pi header which can complicate add-on use.
• Requires correct battery type and polarity; not compatible with batteries that have built-in protection circuits.

Specifications

UPS Output	5.1V 5% Max 6A
Power Input (Type-C)	5Vdc 5%, 3A
Power Input (DC Jack)	5Vdc 5%, 4A
UPS Charging Current	2.3~3.2A
Terminal Battery Voltage	4.24V
Recharge Threshold	4.1V
Extras	Buzzer alarm, RTC, battery capacity reading

Our Verdict

The Geekworm X728 is a practical UPS and power management board for Raspberry Pi users who need reliable backup power and controlled shutdowns. It delivers strong current capability and useful monitoring features at a modest complexity cost, making it good value for tinkerers and small server builders who will follow the setup notes and use the recommended battery type.

Frequently Asked Questions

Can I power the Pi through USB Type-C while using the X728?
The manufacturer cautions not to apply power to the Pi via the Micro USB or USB Type-C socket; use the X728 power inputs per the manual.

Does the board include a battery?
No, the X728 requires a compatible external battery without a built-in protection circuit and the correct polarity must be observed.

Will it work with Pi accessories and drives?
Yes, the X728 reserves the 40-pin header and can stack with shields such as 2.5 in HDD/SSD or MSATA/M.2 adapters for safe data backup.