Waveshare PoE UPS Base Board for Raspberry Pi CM4, Gigabit Ethernet, Dual HDMI, Quad USB 2.0, PoE UPS Base Board

Functionality
1. Poe UPS Base for CM4: Uninterruptible power supply, powering the CM4 while charging
2. Connection with compute module 4: Standard CM4 socket and Raspberry PI 40pin GPIO header. Suitable for compute module 4 lite/EMMC Module
3. Uninterrupted Power: It can charge the batteries and provide power output for the system simultaneously from the external power supply. Automatically switch to battery output If the external power supply is not available, it keeps the system running smoothly
4. Multiple Power Options:
- Three external power options: USB interface, wide voltage DC and POE
- When connected to external power, the system will be powered and the battery will be charged at the same time, and the battery will be in a disconnected state after being fully charged, so as to avoid the damage to battery life caused by frequent charging and discharging
- When the external power supply is insufficient, the battery will provide power output together with the external power supply at the same time to ensure the normal operation of the system
- When external power is connected, the system will continue to work normally even when the battery fails or is removed. When external power is disconnected, it will automatically switch to battery output without interrupting the system operation
5. Safe and stable circuit design: Overload/discharge, overvoltage, short circuit and reverse-proof protection circuits
Together with independent resettable fuse for each battery, more safe and stable
6. Real-time monitoring: Monitoring battery voltage, current, power and remaining capacity via I2C. (When the voltage is too low, you can save the files properly and then shut down the system by software, to avoid any data loss)
Note: 18650 batteries are not included
Specifications
1. CM4 Company: Suitable for all variants of the calculation module 4
2. Battery support: Parallel 18650 lithium battery x 3 (not included)
3. Networking: RJ45 Gigabit Ethernet connector, integrates 802.3AF compliant POE circuit (5V/2.5A)
4. USB: USB 2.0 Type A ?? 4
5. Connector:
- Raspberry Pi 40pin GPIO header
- M.2 M key slot, for connecting NVME SSD or communication module with M.2 M key interface
6. Display: MIPI DSI Port X 1 (22pin 0.5mm FPC connector)
7. Camera: MIPI CSI-2 X 2 port (22pin 0.5mm FPC connector)
8. Video: HDMI X 2, supports 4K 30fps output
9. RTC: Real-time clock with battery socket and ability to wake up the computing module 4
10. Storage: microSD card socket for the Compute Module 4 lite (without EMMC) variants
11. Fan: Allows speed adjustment and measurement, 5V / 12V
12. Indicator:
- M.2 status LED
- CM4 status LED
13. Power input7-36V
14. Dimensions: 175.0 x 108.0 mm