... slip comfort grip Automatic tests function High-quality Li-polymer CellExtended battery charger power bank - 4400 mAhON/OFF Button ... simultaneously charge the phone Common iphone4 / I phone4S Battery Type: Li-ion battery Batteries: 3.7V/4400 mAhinput: DC 5. ... , like LCD display screens, touch panel , back glass housing, battery ,protective cases, charger, USB data cable, screen protector...... Returns ...