The solar generator X-1000 uses 1C charge/3C discharge Electric Vehicle Li-ion NCM polymer battery cell, it has 2000 cycles @1C charge/discharge to 80% of the initial capacity.

Yes, the portable power station supports pass-through charging for both AC and DC loads

Yes, you could use solar charging and AC charging to charge X-1000 simultaneously. Total input is about 560W Max

It depends on many conditions, like weather, solar panel power, angle, etc. Under good conditions, it takes about 7-8 hours if you use 2 pcs 120W solar panels, and 3.5-4 hours if you use 4 pcs 120W solar panels.

Turn off the main switch, connect the unit to the wall socket with included AC charging cable. Long press the AC ON/OFF button for 10 seconds, then you could see the setting interface on the screen. Long press 1 second to choose the item you want to set short, press 0.1 seconds to set the numerical value.