How do you know the your RAVpower deluxe RP-PB35 is fully charged?

You can tell the RAVpower deluxe RP-PB35 is fully charged by checking the LED indicator lights on the device. When fully charged, the lights will typically display a solid green light or all four indicator lights will be illuminated, depending on the model. If the lights are blinking or showing red, it indicates that the power bank is still charging or not fully charged. Always refer to the user manual for specific indicator meanings.