Electrical Systems and Battery Assemblies

An electrical system comprising:

• an electrical entity configured to utilize electrical energy;
• and
• a power supply apparatus configured to provide the electrical energy for use by the electrical entity, and wherein the power supply apparatus comprises a battery assembly comprising:
• a rechargeable electrochemical device configured to store the electrical energy;
• a power terminal configured to electrically couple with the electrical entity and to provide the electrical energy from the rechargeable electrochemical device to the electrical entity;
• and
• storage circuitry comprising status information regarding the battery assembly stored during different operational modes of the battery assembly including a normal operational mode and a sleep operational mode wherein the electrical energy of the rechargeable electrochemical device is consumed at a reduced rate in the sleep operational mode compared with the normal operational mode.

A battery assembly comprising:

• a plurality of rechargeable electrochemical devices individually configured to store electrical energy;
• a power terminal configured to electrically couple with an electrical entity configured to utilize the electrical energy and to provide the electrical energy from the battery assembly to the electrical entity;
• storage circuitry comprising a history of the battery assembly including status information regarding a characteristic of the battery assembly at a plurality of moments in time, wherein the history of the storage circuitry also includes temporal information comprising a plurality of temporal data entries which identify the plurality of moments in time when the status information regarding the characteristic of the battery assembly was acquired for the history;
• and
• wherein the characteristic comprises a common characteristic of the rechargeable electrochemical devices, and the status information comprises different values of the characteristic corresponding to different individual ones of the rechargeable electrochemical devices of the battery assembly.

A battery assembly comprising:

• a rechargeable electrochemical device configured to store electrical energy;
• a power terminal electrically coupled with the rechargeable electrochemical device and configured to conduct the electrical energy from the rechargeable electrochemical device externally of the battery assembly;
• storage circuitry configured to store status information regarding the battery assembly;
• control circuitry configured to control the storage of the status information regarding the battery assembly using the storage circuitry at a plurality of periodic moments in time as determined according to a predetermined period;
• and
• a communications interface configured to communicate the status information regarding the battery assembly externally of the battery assembly after the storage of the status information using the storage circuitry.