Chargers have the ability to create electrical discharges, charges, and lightning bolts, and to control the flow of electrons inside machines and air. Sometimes, Chargers encompass the control of magnetic fields.
In Neverseen, Councillor Zarina zapped the air with electricity and the Black Swan members' hair started to frizz up. This ability was sometimes referred to by fans as Electrokinesis or Fulgurkinesis, but the most evidence in the books point to the name Charger.
There are six different levels of controlling electricity.
“What did you do - get zapped by a Charger.”