These unique compendiums all combine either a power bank, charger or both. There is a large range of materials to pick from and they have inbuilt power banks to charge a mobile phone, laptop or tablet. Perfect for the busy executive, don't get caught short with a phone going dead while making an important phone call or have your laptop quit right in the middle of an important meeting. The compendium also has notepads, pen holders, business card holders and everything you need to help make that important meeting be a success.