Battery Indicator shows the remaining battery time or percentage right in your menu bar. This is especially useful on macOS Sierra 10.12.2 or later where clicking the battery icon no longer shows the remaining time.
Battery Thing
Show/hide your Mac’s battery icon when you want. This menu bar app also shows the statuses of your Bluetooth Apple products.
Battery Widget
Better Battery 2
This menu bar app provides information and stats about your MacBook’s battery and records all these data as well as the total battery- and usage time of your notebook.
Caffeinated
Caffeinated prevents your Mac from going to sleep, dimming your screen or starting the screensaver. The app is optimized for Retina Displays and Dark Mode.
