It is suggested to inhale after the battery is fully charged.
It is recommended to store the battery in a cool and dry environment, handle the battery with great care, never drop or throw the battery against a hard surface.
It is very important to keep the battery away from direct heat and sharp objects.
Please screw the battery into the USB line lightly when charge, then connect the USB line to wall charger or computer. The Led light on the battery will blink and the USB charger light will turn red when the battery is charged, and the USB charger light will turn green when the battery is fully charged. Please follow the below tips when using computer to charge: 1.Charged with compatiable USB charger to prevent the battery from harm. 2.Charged by USB port with corresponding electrical voltage. 3.Inhale after the battery is fully charged which will lengthen the lifespan.