PiShop Raspberry Pi UPS HAT - Our own uninterruptible power source for RPi 4 & RPi 3! Keep your Raspberry Pi online during power loss with the PiShop UPS HAT. This UPS Pi battery HAT delivers up to 3A output, includes a Li-Ion rechargeable battery, adds safe shutdown control, and features a built-in real-time clock. Designed for Raspberry Pi 4B & Pi 3B series, it’s a reliable battery backup add-on that keeps your projects safe and running. Features 3A continuous output for RPi 3 and RPi 4 Includes rechargeable 450mAh Li-Ion battery (10–30 min runtime) Safe shutdown & auto-restart scripts & Real-time clock (DS3231) via I²C Stackable design with extra-long headers Pair with our RS232 HAT for reliable serial device power in industrial setups. Contact us for volume orders! And of course, it fits very nicely inside our HighPi cases! Compatibility Works with Raspberry Pi 4, Pi 3B , and Pi 3B.⚠️ Not compatible with Raspberry Pi 5, not yet. Requires Li-Poly battery with JST-XHP-2 connector.⚡Always check the polarity!⚡ Includes PiShop Raspberry Pi UPS HAT 3.7V 450mAh Li-Ion rechargeable battery with XHP-2 connector 12mm brass standoff and screw set Resources User Guide - with a script for a safe shutdown GitHub Stacking the Raspberry Pi UPS HAT and Prototyping Plate FAQ Q: What is a Raspberry Pi UPS HAT? A: It’s an uninterruptible power supply HAT for RPi that keeps your board running during power loss. The PiShop UPS HAT provides 3A output, battery backup, and safe shutdown control for Pi 3 and Pi 4. Q: Does this UPS HAT include a battery? A: Yes. The kit ships with a 3.7V 450mAh Li-Ion battery (JST-XHP-2 connector) for 10–30 minutes of backup time. If you're lucky, you may even get a 750mAh! It can also be paired with larger 18650 batteries for extended runtime. Q: Is the PiShop UPS HAT compatible with Raspberry Pi 5? A: No. This RPi UPS HAT works only with Raspberry Pi 3 and Pi 4 models with a 40-pin GPIO header. Q: Can I stack other HATs on top of this UPS HAT? A: Yes. The board uses extra-long headers so you can mount an extra HAT or add-on board on top. Q: Does it support safe shutdown and restart? A: Yes. A control script available in the User Guide allows the Pi to power down safely when the battery runs low, and restart automatically when power is restored. Q: Does this UPS HAT also work as a Raspberry Pi battery HAT? A: Exactly. With its included Li-Ion cell and 18650 support, the PiShop UPS HAT is both a battery HAT and a full Raspberry Pi UPS solution.
