What is the difference between battery capacity 3500 and 4000

The battery capacity difference between 3500 and 4000 is not big, it depends on the power consumption of the device: power consumption: electrical appliances also consume energy in sleep state, about 7.5W, puzzling is the power consumption when entering standby under WindowsXp It actually reaches 51.48W, indicating that the motherboard is still consuming a lot of power in order to protect the data at this time. Even if the machine is turned off, as long as the plug is not pulled out, the computer still has energy consumption, about 4.81W, such as remote control and smart switch, etc. While making electrical appliances more convenient to use, it also adds an additional energy consumption to electrical appliances. Standby energy consumption can often be seen in the display of some families or units equipped with a video protection screen, originally to reduce the impact of the display on the human body. Electromagnetic radiation is actually a misunderstanding. Experiments have proved that the protection of the protective screen against electromagnetic radiation is not very useful. On the contrary, after installation, the brightness of the image will decrease. In order to obtain the ideal image, the user will increase the brightness of the display to increase The load on the display causes the electromagnetic radiation to rise instead of falling, which increases the power consumption invisibly, which is not worth the loss. Therefore, the display that has passed the TCO series certification can be used with confidence, and there is no need to install a video protection screen. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.