Waveshare PoE UPS Base Board for Raspberry Pi CM4, Gigabit Ethernet, Dual HDMI, Quad USB2.0

The Waveshare PoE UPS Base Board is a module designed for the Raspberry Pi Compute Module 4 (CM4) that provides an uninterruptible power supply. It allows the CM4 to operate continuously while charging the batteries, ensuring system stability during power interruptions.

• Product Type: Module Expansion Accessory
• Compatibility: Raspberry Pi Compute Module 4 (all variants)
• Material: Not specified
• Key Feature: Uninterruptible power supply
• Intended Use: Everyday use
• Power Supply Options: USB interface, wide voltage DC, PoE
• Battery Support: Parallel 18650 Li-ion battery x 3 (not included)
• Networking: Gigabit Ethernet RJ45 connector, integrates 802.3af-compliant PoE circuit (5V/2.5A)
• USB Ports: 4 x USB 2.0 Type A
• Connectors: Raspberry Pi 40PIN GPIO header, M.2 M KEY slot for NVME SSD or communication module
• Display Ports: 1 x MIPI DSI port (22pin 0.5mm FPC connector)
• Camera Ports: 2 x MIPI CSI-2 ports (22pin 0.5mm FPC connector)
• Video Output: 2 x HDMI, supports 4K 30fps output
• RTC: Real-time clock with battery socket
• Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC)
• Fan: Speed adjustment and measurement, supports 5V / 12V
• Indicator LEDs: M.2 status LED, CM4 status LED
• Power Input: 7-36V
• Dimensions: 175.0 x 108.0 mm
• Protection Circuits: Over charge/discharge, over current, short circuit, reverse-proof, standalone resettable fuse for each battery
• Real-Time Monitoring: Battery voltage, current, power, and remaining capacity via I2C

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