Raspberry Pi UPS HAT
The 11212 is a Raspberry Pi UPS HAT product made by Waveshare. It is a Uninterruptible Power Supply (UPS) HAT specially designed for Raspberry Pi 4B/3B+/3B, with a built-in 1200mAh Li-ion battery, to provide uninterruptible power when power fails. The HAT comes with an external DC input port, and an integrated power management system that intelligently manages power supply status, and allows for uninterruptible power supply. It features intelligent power management and can auto-charge the battery and maintain a healthy battery life. It also comes with a power switch, allowing for quick and easy power on/off without having to unplug the device. It is ideal for projects that require uninterrupted power, such as remote monitoring, home automation, and more.