--- product_id: 371701206 title: "for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer" brand: "geekworm" price: "S$134" currency: SGD in_stock: true reviews_count: 5 category: "Geekworm" url: https://www.desertcart.sg/products/371701206-for-raspberry-pi-ups-x728-max-5-1v-6a-ups store_origin: SG region: Singapore --- # Real-time clock & safe auto shutdown 5.1V 6A max power output Battery capacity reading & management for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer **Brand:** geekworm **Price:** S$134 **Availability:** ✅ In Stock ## Summary > 🔌 Power your Pi like a boss — never lose a beat, never lose your edge. ## Quick Answers - **What is this?** for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer by geekworm - **How much does it cost?** S$134 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/371701206-for-raspberry-pi-ups-x728-max-5-1v-6a-ups) ## Best For - geekworm enthusiasts ## Why This Product - Trusted geekworm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stackable & Scalable:** Reserve the 40-pin header to stack with other Pi accessories, enabling powerful, modular setups for advanced projects. - • **Built-in Safety Alerts:** Stay informed with buzzer alarms and AC power loss detection, ensuring you never miss a critical power event. - • **Plug & Play Auto Power-On:** Experience hassle-free startup with auto power-on and full software-controlled poweroff for ultimate control. - • **Smart Battery Intelligence:** Monitor battery capacity in real-time and enjoy automatic low-battery shutdown to protect your data and hardware. - • **Uninterrupted Power, Always:** Keep your Raspberry Pi running seamlessly with 5.1V/6A power backup that handles power loss like a pro. ## Overview The Geekworm X728 UPS board delivers robust 5.1V/6A power backup for Raspberry Pi models 3B+ and above, featuring intelligent battery management, safe auto shutdown, and real-time capacity monitoring. Designed for seamless stacking with other Pi accessories, it ensures uninterrupted operation during power outages, protects your SD card from corruption, and supports advanced data backup shields. Ideal for professionals demanding reliable, portable, and scalable Pi power solutions. ## Description The X728 is an advanced uninterruptible power supply expansion board for all current models of the Raspberry Pi (Raspberry Pi 4B/3B+/2B/B+) using a 40 pin header. It provides 5.1V 8000mA Power Backup for even the most demanding Raspberry Pi set UPS, intelligent and safe power management, safe shutdown，AC power loss/ power adapter failure detection , auto power-on, full poweroff from software, and a real- time clock. The X728 reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications. The X728 can also be used with the X825/X828/X829 (2.5" HDD/SSD Shield) and X857/X862/X872 (MSATA/M.2 SSD shield) for safe data backup. Review: I put this UPS HAT on a Raspberry Pi 4B as part of a little “mobile lab” setup and it has been great so far. My stack is a Pi 4B on Raspberry Pi OS, a GeekPi PWM cooling hat with a small screen I am not really using yet, and a Panda PAU0F USB Wi-Fi adapter, all powered through this board with two 18650 batteries. Setup was easy. I watched the video the seller links, dropped the 18650 cells into the holder, plugged USB-C power into the hat, and let the hat feed the Pi through the GPIO header. It powered up on the first try and after that I mostly stopped thinking about it. The real test for me was what happens when you pull the plug. When I unplug the USB-C input, the Pi just keeps running. No reboot, no undervoltage icon, no SD card complaints. I have let this setup run on battery for a little over three hours and it stayed completely stable the whole time, which is more than enough for how I plan to use it. I actually started with a regular USB power bank and assumed that would work as a UPS. It did not. As soon as I unplugged the power bank from the wall, the Pi died instantly. That is what pushed me to try a proper UPS hat, and this one does exactly what I wanted. It turned my Pi 4 into something I can unplug, move around, or briefly lose mains on without worrying about corrupting the SD card. Review: Product works very well, and and provides much more power than other similar systems. I'm able to power a Raspberry Pi 4 as well as a 5V USB powered router from the 5V pins on top of the board. They likely don't link to it because desertcart blocks them, but they also have extremely good documentation on their wiki which is easily found by google searching "X728 Geekworm." Their documentation provides both hardware specifications, as well as links to code repos to see how you can read current voltage and battery life status in for either display, auto timeout features, etc. ## Features - Function: X728 provides 5.1V 6000mA Power Backup, intelligent and safe power management, safe shutdown, auto power-on, full poweroff from software,Battery capacity reading, Low battery automatic shutdown, Buzzer alarm, RTC - User Manual: Google Geekworm Wiki search X728 for manual; Matching metal case for X728 and Pi 4 is X728-C1 - How to Power and Specifications: Power supply via Type-C socket : 5Vdc ±5%, ≥3A OR Via DC power jack : 5Vdc ±5%, ≥4A; UPS output : 5.1V ±5% Max 6A; UPS charging current: 2.3~3.2A; Terminal Battery Voltage : 4.24V; Recharge Threshold : 4.1V - Important Note: 1. Do not apply power to your RPi via the Micro USB or USB Type-C socket. 2. Do not use battery with built-in protection circuit. 3. Please make sure the polarity of battery is "+" to "+" and "-" to "-" and match with the "+" "-" mark on battery holder - Application: X728 reserves the 40-pin header to stack with other Raspberry Pi accessory boards for enhanced applications. The X728 can also be used with the X825/X828/X829 (2.5" HDD/SSD Shield) and X857/X862/X872 (MSATA/M.2 SSD shield) for safe data backup - Important note: 1. the script must be installed first for the product to work properly 2. Compatible with Raspberry Pi 5/4B/3B+/3B ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B087FXLZZH | | Best Sellers Rank | #86,420 in Computers ( See Top 100 in Computers ) #123 in Computer Uninterruptible Power Supply Units | | Item model number | X728 | | Manufacturer | Geekworm | | Product Dimensions | 8.5 x 6.4 x 3.5 cm; 60 g | ## Product Details - **Battery cell composition:** Lithium Ion - **Brand:** Geekworm - **Colour:** X728 - **Material:** Plastic - **Voltage:** 5 Volts ## Images ![for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer - Image 1](https://m.media-amazon.com/images/I/719ULITJkzL.jpg) ## Questions & Answers **Q: Is the recharge threshold and terminal battery voltage adjustable? I want to keep the batteries between 80% and 20%** A: No. I don't think this is possible, unlesss you write a script that monitors the voltage or % of charge, and open a relay that would cut off the power input to the system... You would need some external equipment (arduino?) for that. **Q: Are the batteries hot-swappable? In other words, can I connect an external power supply and swap the batteries out while that is on?** A: Hi friend, Sorry that the X728 on board 18650 batteries does not support hot-swappable, please swap the batteries after power cut off. best regards, Geekworm Team **Q: Does the rtc have a separate battery? or does it run on the 18650 batteries? what happens if you remove them? will it "lose" time?** A: Hi friend, The RTC function runs on the 18650 batteries. It will "lose" time if you remove the 18650 batteries. best regards, Geekworm Team **Q: Can I use more than two batteries with the x728?** A: It holds two batteries, it does have an second input for more battery boards. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by E***S on 13 November 2025* I put this UPS HAT on a Raspberry Pi 4B as part of a little “mobile lab” setup and it has been great so far. My stack is a Pi 4B on Raspberry Pi OS, a GeekPi PWM cooling hat with a small screen I am not really using yet, and a Panda PAU0F USB Wi-Fi adapter, all powered through this board with two 18650 batteries. Setup was easy. I watched the video the seller links, dropped the 18650 cells into the holder, plugged USB-C power into the hat, and let the hat feed the Pi through the GPIO header. It powered up on the first try and after that I mostly stopped thinking about it. The real test for me was what happens when you pull the plug. When I unplug the USB-C input, the Pi just keeps running. No reboot, no undervoltage icon, no SD card complaints. I have let this setup run on battery for a little over three hours and it stayed completely stable the whole time, which is more than enough for how I plan to use it. I actually started with a regular USB power bank and assumed that would work as a UPS. It did not. As soon as I unplugged the power bank from the wall, the Pi died instantly. That is what pushed me to try a proper UPS hat, and this one does exactly what I wanted. It turned my Pi 4 into something I can unplug, move around, or briefly lose mains on without worrying about corrupting the SD card. ### ⭐⭐⭐⭐⭐ Review *by S***N on 5 July 2025* Product works very well, and and provides much more power than other similar systems. I'm able to power a Raspberry Pi 4 as well as a 5V USB powered router from the 5V pins on top of the board. They likely don't link to it because Amazon blocks them, but they also have extremely good documentation on their wiki which is easily found by google searching "X728 Geekworm." Their documentation provides both hardware specifications, as well as links to code repos to see how you can read current voltage and battery life status in for either display, auto timeout features, etc. ### ⭐⭐⭐⭐⭐ Review *by J***9 on 1 May 2021* I bought this for my RPI to power it through blackouts, and it works really great. I tested it and it lasted over 24 hours with six 18650 batteries. Recently I was having problems with it rebooting randomly and the customer service was very responsive and helpful! As others have mentioned I do wish it was possible to dim the LEDs via software or switches, but I have a packet of Light Dims which work okay. ## Frequently Bought Together - Geekworm for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer - Geekworm Cooling Fan Expansion Board (X728-A1) for X728 & Raspberry Pi 4 Model B/ 3B+/ 3B/ 2B - Geekworm 11mm Thickness Embedded Heatsink (P165-B) for Raspberry Pi 4, Armor Aluminum Radiator Compatible with Raspberry Pi 4 Model B Computer and Pi 4 Expansion Board Support POE Extension --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/371701206-for-raspberry-pi-ups-x728-max-5-1v-6a-ups](https://www.desertcart.sg/products/371701206-for-raspberry-pi-ups-x728-max-5-1v-6a-ups) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-04-26*