The Madison 8000mAh Power Bank can charge your smartphone on the go. Smart technology offers a safe charge and prevents overcharging and short circuiting. UL Certified battery and Wise-Charging detects the charging speed up to the amps. Key security features, multiple protective-charging control, overload protection and short-circuit protection and more. This useful, multiple-use electronic device comes in metallic silver, metallic turquoise blue and matte black. Comes with USB charging cable & gift box.