CPC H02J 3/32 (2013.01) [H02J 7/00045 (2020.01); H02J 7/0068 (2013.01); H02J 2207/20 (2020.01)] | 18 Claims |
1. A storage device for electrical energy, the device comprising:
a rechargeable battery;
two terminals to connect the battery to at least one of: a supply network, an electrical load, and/or an electrical generator;
a control unit to control charging and discharging of the battery;
a communication interface configured to provide wireless data access; and
a display of machine-readable code including authentication data enabling wireless data access;
wherein the control unit, following authentication of a data processing device, receives and stores account information for a user account from the data processing device.
|