The LG MJ1 is an outstanding high-capacity cell that provides up to 10 amps of maximum continuous discharge current. It has an energy density of 693 watt-hours/liter, the highest energy density of any commercially-available lithium-ion cell. It's a popular choice for electric vehicles, electric bicycles/scooters, flashlights, and vape pens. These are authentic cells and they have been tested to ensure that they meet or exceed the manufacturer's performance specifications. The LG MJ1 offers similar specifications and performance to the Sanyo 18650GA cell, however, the LG MJ1 boasts superior cycle life.