100% Brand New, Original Keeppower product- 18650 3400mAh Protected Rechargeable Battery- Cell: Panasonic NCR18650B 3400mAh- Min Capacity: 3250mAh, Typical Capacity: 3400mAh- Normal Voltage: 3.7V- Quality Lithium-ion rechargeable cell, In Built Safety Circuitry- Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)- 4.2 volts max voltage and 3.7 volts nominal voltage- Over 500 charge-discharge cyclesPackage includes : (with industrial package)Keeppower 18650 Batteries x2Keeppower Power box