WhatBattery

WhatBattery is a battery health and power consumption monitoring tool for Apple Silicon Macs.

Supporting macOS 14 and above. It helps users understand battery status, charging performance, and device power consumption. The software can view the battery health, cycle count, Apple repair status, and real-time battery power, temperature, and charger information for Mac laptops, distinguishing whether the battery is charging, maintaining charge, or continuously discharging. The Pro version offers sleep power consumption analysis, recording sleep duration, power loss, and system wake-up events, and displaying application power consumption and charging sessions to help troubleshoot overnight power loss and slow charging issues. Battery health history and degradation prediction can present capacity change trends, estimating the time when the battery health reaches 80% when reliable records are sufficient, for user reference. The software also supports viewing the battery level of compatible Bluetooth accessories. The Pro version provides historical records, estimated remaining usage time, and low battery alerts, and can read iPhone and iPad battery health information via trusted USB or Wi-Fi connections without requiring additional apps on mobile devices. Users can export battery reports and raw readings for repair communication or device resale. WhatBattery is open source and certified by Apple. WhatBattery Historical data is stored locally, and it only analyzes usable information. It does not set charging limits or modify device charging behavior.