Key features Fuel gauge capability: The board integrates MAX17040G fuel gauge chip for monitoring remaining battery life. Battery included: Comes with a 1000 mAh cell. Simple mounting: Thimblestyle installation for a simple and neat setup. UPSLite compatibility: UPSLite is a UPS power supply specially designed for Zero. Benefits and practical use Realtime power awareness: The MAX17040G fuel gauge provides accurate stateofcharge information to help prevent unexpected power loss. Readytouse UPS solution: UPSLite offers immediate backup power support for Zerobased applications. Compact and tidy installation: Thimblestyle mounting keeps the assembly clean and spaceefficient. Builtin battery support: The included 1000 mAh cell provides immediate power capacity for short interruptions. Specifications and compatibility (consistent with original model) Fuel gauge chip: MAX17040G Battery capacity: 1000 mAh Installation: Thimblestyle mounting Power supply: UPSLite, designed for Zero Use scenarios Scenario 1: Home automation gateway or sensor hub based on Zero that requires backup power during brief outages to maintain data integrity and continuity. Scenario 2: Portable Zero projects or demos where a compact UPS and simple mounting facilitate quick setup and mobility. Scenario 3: Educational or development kits using Zero, where a builtin fuel gauge and UPS support help demonstrate power management and reliability in a controlled environment.