Hot swappable battery configuration

A method of battery hot swapping on an electric machine, the electric machine comprising a first swappable battery and a second swappable battery, each of the first swappable battery and the second swappable battery configured to provide power to the electric machine during normal operating mode of the electric machine via an electrical power system disposed on the electric machine, the method comprising:

• after a charge level of the first swappable battery is less than a threshold, disconnecting the first swappable battery from the electrical system;
• removing the first swappable battery from the electric machine with a swapping tool on an arm of the machine while the second swappable battery of the electric machine provides power to one or more operational functions of the electric machine via the electrical system;
• replacing on the electric machine the first swappable battery with a third swappable battery using the swapping tool on the arm of the electric machine, the third swappable battery substantially the same as the first swappable battery;
• and
• connecting the third swappable battery to the electrical system,
• wherein said removing and replacing the first swappable battery with the third swappable battery includes movement of the swapping tool in accordance with the arm of the electric machine and with the second swappable battery providing power to operate the arm with the swapping tool for the removal and replacement of the first swappable battery with the third swappable battery.

An electric machine comprising:

• an electrical power system that includes:
• a first DC link electrically coupled to a first inverter;
• the first inverter electrically coupled to one or more of a motor, a pump, or an actuator of the electric machine;
• a first swappable battery disposed on the electric machine and in electrical communication with the first DC link, the first swappable battery configured to provide power to the electric machine during normal operation of the electric machine and to at least a first operation of the electric machine while a second swappable battery is removed from the electric machine and replaced;
• and
• the second swappable battery substantially the same as the first swappable battery and disposed on the electric machine, the second swappable battery configured to provide power to the electric machine during normal operation of the electric machine and to at least a second operation of the electrical machine while the first swappable battery is removed from the electric machine;
• and
• a swapping tool removably coupled to an arm of the electric machine and configured to replace the first swappable battery with a third swappable battery,
• wherein the first swappable battery includes a first interface, and the swapping tool includes a tool interface configured to removably couple to the first interface of the first swappable battery to remove the first swappable battery from the electric machine, and
• wherein the second operation of the electric machine includes the second swappable battery providing power for operation of the motor, the pump and/or the actuator to move the swapping tool, while removably coupled to the arm of the electric machine, to remove the first swappable battery from the electric machine in a state with the tool interface of the swapping tool removably coupled to the interface of the first swappable battery.