Plastic unit holds rechargeable, non-recycled 4400mAh grade A lithium-ion battery. LED light and battery test button, USB output and micro USB input cord, charges at 1Ah.. May not be compatible or ideal for your mobile or tablet device Please consult your device owner's manual to review power consumption requirements. Requires your phone's charging cord. UL listed. Ground ship only. Dimensions: 3.5"W x 1.5"H