The new “power one pen charger” is a fast charger for power one p13 accu hearing aid batteries. It gives hearing aid users the security of a continuous energy supply and, at the same time, the independence that they are looking for. The high-tech battery charger, which is the shape and size of a pen, enables batteries to be changed quickly and easily. The power one pen charger • functions independently of a power socket • always has a spare battery ready • charges the battery in a short period of time • uses microprocessors to control and monitor the charging process • displays the charge status using light-emitting diodes • is “made in Germany” • is patented • is so discreet that it can be hidden • is so stylish that it doesn’t have to be hidden.