A device is configured to receive a request for two or more battery partitions; create the two or more battery partitions according to the received request, where each of the two or more battery partitions relate to a respective function of the device; calculate usage of the two or more battery partitions; present information regarding the usage of the two or more battery partitions; receive a request to change an allotment of at least one of the two or more battery partitions; and re-partition two or more battery partitions according to the received request to change of the allotment of the at least one of the two or more battery partitions. Additionally, the device can be configured to charge one or more battery partitions in an order of priority, re-assign one or more battery partitions to a different area, and provide notifications of usage.