DJI Power 1000 and DJI Power 2000.
When connecting the expansion battery to DJI Power 1000, connect the expansion battery cable to the SDC port of the power station. Do not connect it to the SDC Lite port, as the expansion battery will not function properly.

The expansion battery has two SDC ports, arranged vertically.
The upper SDC port on the expansion battery must be connected to the SDC port of the power station or the lower SDC port of another expansion battery.
The lower SDC port on the expansion battery can be used to connect a Super Fast Charger or another expansion battery. However, the SDC port of the expansion battery cannot connect to the DJI Power Dongle, which must be connected to the power station.
Refer to the user manual for detailed connection operations and precautions.

Yes.
By connecting DJI Power 1000 to DJI Power Dongle, you can check the status of the expansion battery in the DJI Home app.
DJI Power 2000 can connect to the network directly. Once online, the status of the expansion battery can also be checked in the DJI Home app.

By pressing the power button once on the expansion battery, you can check its battery level on the screen.
When the expansion battery is connected to the power station, you can check its status on the screen.