Your Electric Atmos’s battery lasts 3 months of daily use without needing a charge.When your battery is getting low Electric Atmos the LED indicator light will blink red to remind you to charge. If your battery has run out the red light will be sustained.To charge plug your Electric Atmos into a 5V 1A USB-C cable charger. Your Electric Atmos can remain in use while charging so no need to worry about losing your seal!