Method and apparatus for welding with battery power

A welding-type power supply, comprising:

• a battery;
• a converter, having an input in electrical communication with the battery, and having a control input, and having a welding-type power output and an ac auxiliary output;
• and
• a controller, having a control output in electrical communication with the control input, and an ac auxiliary control module in electrical communication with the control output.

A method of providing welding-type power comprising:

• receiving battery power;
• converting the battery power to welding-type power;
• and
• converting the battery power to ac auxiliary power.

A welding-type power supply, comprising:

• an energy storage device capable of storing energy sufficient to weld at least one stick electrode;
• a converter, having an input in electrical communication with the energy storage device, and having a control input, and having a welding-type power output;
• and
• a controller, having a control output in electrical communication with the control input, and having at least one of a CV control module, a CSC control module and an AC weld control module in electrical communication with the control output.

A welding-type power supply, comprising:

• a battery;
• a battery charger, in electrical communication with the battery;
• a weld converter, having an input in electrical communication with the battery, and having a control input, and having a welding-type power output;
• and
• a controller, having a control output in electrical communication with the control input, and having a weld power control module.

A welding-type power supply, comprising:

• an input circuit disposed to be connected to a battery capable of storing energy sufficient to weld at least one stick electrode;
• a first converter having an input connected to the input circuit, and having a control input, and having a dc bus output;
• a second converter, connected to the dc bus and having a welding-type power output, and having a second control input;
• and
• a controller, having a boost control output in electrical communication with the control input, and having a current control output connected to the second control input.

A vehicle and welding power supply, comprising:

• a vehicle dc power system, including an energy storage device capable of storing energy sufficient to weld at least one stick electrode;
• a boost converter having an input connected to the dc power system, and having a control input, and having a dc bus output;
• a buck converter, connected to the dc bus and having a welding-type power output, and having a buck control input;
• and
• a controller, having a boost control output in electrical communication with the control input, and having a current control output connected to the buck control input.