What is the minimum battery level required to start Android encryption? The encryption screen reads "Charge your battery and try again".

What is the minimum battery level required to start the encryption process?
80%

// Minimum battery charge level (in percent) to launch encryption.  If the battery charge is
// lower than this, encryption should not be activated.
private static final int MIN_BATTERY_LEVEL = 80;


Source: https://android.googlesource.com/platform/packages/apps/Settings/+/master/src/com/android/settings/security/CryptKeeperSettings.java#56 (as of android10-release branch)