The battery icon on your handle indicates the battery status of your toothbrush.
• Icon fully lit in white: your battery is fully charged
• Icon blinking white: your battery is about half full
• Icon blinking amber: your battery is running low; there are only about 3 brushings left
• Icon blinking amber accompanied by 3 beeps: your battery is empty; no further brushing is possible
• Icon blinking purple: You have put too much pressure on your Philips Sonicare DiamondClean Smart while brushing. Try brushing your teeth with less pressure.