Features: Brand new and high quality This is a new version of the UPS board. It not only supports Raspberry Pi 4B, but also adds a Type-C output. It provides sufficient power for the Raspberry Pi to keep it running while mobile, and its design is so clever that you can get rid of the hassle of a power cord. These UPS units allow for self-powered battery replacement. This new UPS not only supports a standalone RTC module but also provides a cou-counter. It can use most common 18650 batteries and is fully compatible with battery characteristics regarding battery life. The power on the circuit board is also very easy to use. The illuminated LED light can quickly display the remaining power and support discharge while charging. You can connect directly to external power for charging. At the same time, the Raspberry Pi will not shut down. Specifications: Material: ABS Size: As the picture shows Note: Warning! Do not reverse the battery! This product belongs to power equipment. Keep out of reach of children. Strictly follow the instructions for the UPS product. Install the battery first, then connect the UPS to the Raspberry Pi. Connecting too many high-power peripherals will lead to insufficient power. Pay attention to the power of peripherals. If the battery polarity is reversed, it will directly burn out the device's power and may even cause fire or personal injury. Do not add any components yourself; any accidental damage caused by this is at your own risk. Package Includes: 1 x UPS power supply