Elevator with car having two batteries that can charge each other

An elevator comprising:

• a car moving in a hoistway;
• a load provided to the car;
• a first power storage provided to the car and including one battery configured to be charged and discharged, connected to the load, and configured to supply power to the load;
• a second power storage provided to the car and including one or more batteries configured to be charged and discharged, and connected to the load to which the first power storage is connected;
• a power transmission circuit provided to the car and configured to transmit power between the first power storage and the second power storage;
• and
• a controller to control the power transmission circuit to cause the power transmission circuit to supply power from the second power storage to the first power storage, when a remaining stored power amount of the battery included in the first power storage is determined to be less than an amount of power required for driving the load for a predetermined period of time, the predetermined period of time being a time needed to move passengers to a nearest stop floor in case of an outage.