The reduction on the use of fossil fuels is forcing to a fast development of more efficient and durable batteries. More and more of our everyday life products need an electric portable battery, form our cell phone to our cars. Graphene has been selected to be a key role player in the process of improving these technologies. Due to the high capacitance of Graphene (our Graphene 99 shows around 220 F/g capacitance), its high specific ratio (surface/volume) and high conductivity (Graphene 99 has an electrical resistance from around 260 Ω to 600 Ω depending of the flake size), the expected performance of Graphene based batteries is very high. Mainly, one expects: