zerolemon galaxy note 10 plus battery case 10000mah, fast charging & qi wireless & android auto & samsung dex supported, zeroshock extended battery charger protective case for galaxy note 10+ black zerolemon <b>please note, the led lights will flash simultaneously if you double press the power button of the battery case.<br> once the led lights are flashing simultaneously, the battery case cannot charge your note 10 plus. <br>to stop the flashing, you just need to double press the power button again. then you can use the battery case to charge your phone by pressing the power button once.</b>