Reads and writes BQseries battery gauge chips, enabling reading, unlocking, and parameter changes for laptop batteries, aircraft batteries, and other battery types for development Supports SMBUS and ANDHDQ communications. Includes a power indicator light, a communication indicator light, and a USB data status indicator light Features updated static electricity protection measures and a battery debugging modifier Fully compatible with the original EV2400 and EV2300. Builtin 4.7K pullup resistor; no external resistor required. Software supports official software Use scenarios Battery servicing and calibration for laptops: read and write BQseries gauge data, unlock protections, and adjust parameters to optimize battery performance and accuracy. Development and testing of battery systems: use SMBUS and HDQ communication to prototype and debug battery management algorithms for laptop and aircraft batteries, as well as other battery types. Maintenance and of gauge data: leverage official software support to diagnose, modify, and verify gauge parameters in development or workflows.