Profile: Varta Microbattery Ltd specializes in producing OEM batteries. Our batteries comprise of electrochemical systems and cell geometry. We supply rechargeable lithium products and nickel metal hydride systems for portable applications. Our batteries are used in hand held electronic devices, portable medical devices and hearing aid devices. We also market memory backup batteries. The hallmark of the new, patented power one ACCU plus hearing aid batteries is the colored surface coating using nanotechnology this offers unique protection against corrosion even after heavy perspiration. The system power one card charger is suitable for charging one or two power one ACCU plus rechargeable hearing aid batteries. Batteries of sizes p 13 accu, p 312 accu or p 10 accu can also be charged by selecting the appropriate battery compartment insert. The different inserts are included with the charger.