The board integrates a MAX17040G fuel gauge chip with 1000 mAh per chip. Thimbled mounting provides simple and generous installation. Actual standby time up to 6 hours under test conditions: open networking with printing power parameters updated every 2 seconds. Power control uses low onresistance to improve battery service and efficiency. This Power Supply Lite is an uninterrupted power supply designed specifically for continuous operation. Use scenarios Backup power for small network devices in an office or lab, such as routers or switches, to maintain essential connectivity during power outages. Uninterrupted operation for compact 3D printers or similar hobby equipment to prevent print failures during brief power interruptions. Remote sensing or IoT gateway deployments that require reliable power and continuous battery monitoring for stable data collection.