UPS 18650 Lite UPS Power HAT Board with Battery Electricity Detection for 4B 3B+ 3B Overview The UPS 18650 Lite UPS Power HAT Board with Battery Electricity Detection is a compact, Raspberry Pi oriented backup power solution. It is designed to work with Raspberry Pi models 4B, 3B+, and 3B, and uses an 18650 lithium battery to provide power when the main supply is interrupted. The board includes battery electricity detection to monitor charge status, helping you manage power reliability for your projects. Key benefits Uninterruptible power support for Raspberry Pi: keeps your Pi running during short outages and reduces the risk of data loss. Battery electricity detection: real time monitoring of battery status, enabling you to track remaining capacity. Compact Lite HAT form factor: designed to fit with Raspberry Pi devices without adding unnecessary bulk. Easy integration: implemented as a HAT, simplifying installation on compatible Raspberry Pi boards. Flexible power option: uses a standard 18650 lithium battery as the energy source for backup power. Key attributes Functionality: UPS power supply with battery electricity detection for Raspberry Pi. Compatibility: specifically designed for Raspberry Pi 4B, 3B+, and 3B. Form factor: Lite UPS Power HAT Board in a Raspberry Pi HAT style footprint. Power source: 18650 battery support for backup energy (battery not specified in product details; use with an appropriate 18650 cell). Performance orientation: provides battery status detection to assist with power management decisions. Compatibility and design notes Target devices: Raspberry Pi 4B, Raspberry Pi 3B+, Raspberry Pi 3B. Form factor: HAT style board intended to mount with the Raspberry Pi GPIO header for a neat, integrated solution. Use focus: designed to add backup power and battery monitoring capabilities to your Pi projects without added complexity. Use cases Home media or server: maintain operation during power fluctuations to protect running services and prevent abrupt shutdowns. Remote or field IoT projects: ensure continued operation and battery monitoring in areas with unstable power supply. Educational or DIY labs: teach and demonstrate UPS concepts, battery monitoring, and power management on Raspberry Pi platforms. Setup and usage notes Mount the HAT onto the Raspberry Pi's GPIO header in the usual HAT configuration. Insert a compatible 18650 battery to enable backup power and enable battery electricity detection. Use the on board battery detection to monitor charge status and plan battery management accordingly. This description reflects the product scope implied by the title: a , Lite UPS Power HAT with battery electricity detection, designed for Raspberry Pi models 4B, 3B+, and 3B, utilizing an 18650 battery for backup power.