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FAQ

What is the noise level of the equipment during normal use, in decibels?

Under the conditions of 1 meter away from the device and an ambient temperature of 25°C, the noise levels corresponding to different power gears are as follows: Low-power operation (≤600W): ≤30 dB Medium-power operation (≤1800W): ≤40 dB Full-power operation (≤3600W): ≤50 dB 30 decibels (dB) is approximately the volume of a soft conversation, or the ambient volume in a quiet library or office; a sound level of 30 decibels is generally considered a comfortable background noise level.

Can DELTA 3000 Gen4 or DELTA 3800 Gen4 support charging while the device is turned off?

It will automatically turn on when charged, and charging while the device is powered off is not supported.

How to calibrate the battery level of DELTA 3000 Gen4 or DELTA 3800 Gen4?

A full charge and full discharge cycle is sufficient to complete battery calibration.

Does DELTA 3000 Gen4 or DELTA 3800 Gen4 support switching the AC output frequency? How to operate it?

Ensure that the AC output is turned off, then press and hold the button for 10 seconds to switch the AC frequency.

After the DELTA 3800 Gen4 is connected to the power add-on pack, which one charges first and which one discharges first?

The charging logic of the main unit and the power pack is to first charge the one with lower voltage, and charge both simultaneously when their voltages are consistent. For discharging, the one with higher voltage will be discharged first, and both the main unit and the power pack will discharge at the same time once their voltages are the same.

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