4000mAh USB Portable External Backup Battery Charger Power Bank for phone

The NEWlink range of USB power banks are the perfect solution to one of modern life’s most common problems; flat batteries. Ensure you never run out of power again by using this 4,000mAh power bank, capable of charging any phone fully at least once. Perfect for any time you are away from a reliable power supply such as camping trips and festivals. LED Functions:
  Press button once to active power statusPress twice to activate torchPress twice again to turn off torch