No charge?

ChargedUp App and one hour free phone charging at participating cafes (250 in London) - it worked well.

Charge It

Itsu provide what their customers want - mobile phone charging points

Chee

 Chee is how you pronounce QI which will be what all your customers are demanding from you in the near future.  Wireless Charging at their table.  The latest phones (such as the Samsung 6) have the charging system incorporated but for the rest of us there is a device that allows you to plug in and recharge your phone.

 Chee - Get with it!

Chill & Charge

Wireless charging furniture - Starbucks has the powermat system http://www.starbucks.co.uk/coffeehouse/powermat and McDonalds are promising 50 stores with the Qi (pronounced chee) system.