The Power 266 is capable of “pass-through charging” on specific input and outputs. The 12V socket can run regardless of charging status. When using the USB-C input for charging, the 266 Power cannot discharge through the variable DC port while in use. Similarly when using the variable DC port for charging, the 266 Power cannot discharge through the 60W USB-C port. For further detailed information, please contact our support team at firstname.lastname@example.org.