BATTERY BIG BLACK 18650 4000mAh 35A *100% Authentic By THREE BIG x Blackcell DNA . *HARGA UNTUK 1PCS* #BIGFOREVERYTHING . Specification : Brand : Blackcell Size : 18650 Capacity : 4000mAh Positive : Flat Protected : NO, UNPROTECTED Rechargeable : Yes Type : Li-Ion, Lithium Ion Voltage : 3.7v Discharge : 35A Certification : CE & RoHS Size :18 x 65mm .