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The device has a 3-year basic warranty, which can be extended by 2 years if you register on the app.
1024Wh
When within 1.64 feet of the device, the noise generated is less than 30 dB during 600W consumption and less than 40 dB during 1200W consumption. 30 dB is about the same volume as quiet whispering, or the environmental noise level of a quiet library or office. Most people find 30 dB to be a comfortable level of background noise.
The device will generally emit some background noise during normal operation (such as fan noise or current flow). If the device is not operating normally, the noise may become noticeably louder or sound unusual. A sharp whistling, clanking, or grinding sound may indicate a malfunction. Please record a short video of the issue and send it to us so we can help identify and resolve the problem.
The portable power station is a floating-ground system, meaning that this type of detection equipment is likely to be ineffective. The detection equipment is designed to detect grounded output from grid power. The voltage difference between neutral and ground in the grid is very small, which is why there is a distinction between positive and reverse wiring. The device's AC output is generated by boosting the internal battery voltage through an inverter. Since there is no reference ground, testers may indicate reversed wiring. Furthermore, in the portable power station, both L and N are energized. When operating in inverter-only mode, the two wires can be regarded as equivalent, so the concept of reversed wiring does not apply. Think of it like this: AC voltage follows a sine wave pattern and its direction changes. As a result, the electric potential of L and N change relative to each other. On a microscopic timescale, current flows from high potential to low potential. However, since AC operates at 50 Hz, with 50 direction change cycles per second, the frequency is too high to distinguish. On a macroscopic level, the two wires appear the same during inversion. Many instruments will show the same peak voltage for both wires, so they can be regarded as equivalent with no distinction.