UPS HAT (D) for Raspberry Pi, Supports 21700 Li battery (NOT included), 5V Uninterruptible Power Supply, Pogo Pins Connector

The Waveshare UPS HAT (D) provides uninterruptible power for your Raspberry Pi using a 21700 lithium battery (not included). Features dynamic path management for seamless switching between external power and battery, with real-time monitoring via I2C.

Pogo pin connection means no GPIO pins are used, leaving all pins available for other HATs and accessories. Compatible with Raspberry Pi 3, 3B+, and 4B.

Key Features

• Uninterruptible Power – Automatic switchover keeps your Pi running during power outages
• Dynamic Path Management – Charges battery while powering Pi, disconnects when full
• 21700 Battery Support – Large capacity cell for extended runtime
• Pogo Pin Connection – No GPIO usage, compatible with other HATs
• I2C Monitoring – Real-time voltage, current, power, and capacity readings
• Battery Protection – Overcharge, over-discharge, overcurrent, and short circuit protection
• Auto Shutdown – Safe shutdown when battery is low to prevent data loss
• Auto Reboot – MCU detects power restoration and reboots Pi

Specifications

• Battery Type – 21700 lithium (not included)
• Output – Stable 5V via boost converter
• Charging – USB Type-C input
• Additional Output – USB Type-A for powering other devices
• Monitoring – I2C bus interface
• Indicators – LED status lights

Compatibility

• Raspberry Pi 3 / 3B+
• Raspberry Pi 4B

Package Contents

• 1× UPS HAT (D)
• 1× Acrylic protection panel
• 1× Screws pack

Battery Safety: Use quality 21700 cells from reputable manufacturers. Never reverse polarity. Keep away from children and flammables. Replace batteries after 2 years or when degraded.

Resources

• Waveshare Wiki