successful conversion of novel biomass Argan Pulp into activated carbon two-step process carbonization followed by activation KOH different temperatures and ratios AP-800-4 exhibited the highest specific surface area > 3200 m2.g-1 a total volume 1.63 cm3.g-1. Electrochemical Double-Layer Capacitor (EDLC). The sample AP-800-3 exhibits high capacitance 460 F.g-1 at current density 0.125 A.g-1 using 1M H2SO4 as electrolyte. High energy power densities 16.5 Wh kg?1 ~170 W excellent cycling stability 2500 charge discharge cycles Na2SO4 KOH.