A power management system for a power supply (43) providing power to electrical equipment, such as a totally implantable cochlear implant (40). The power supply (43) can comprise a first rechargeable battery and at least one further rechargeable battery that each independently provide power to the implant...http://www.google.com.au/patents/US20020076071?utm_source=gb-gplus-sharePatent US20020076071 - Multiple battery management system
