Steps
1. Baidu searches for “Sofa Manager†to enter the sofa network and downloads the sofa butler package; or click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package.
2. U disk access Changhong TV 55Q3AUSB socket, and then click on the local media;
3. Select All, and find the sofa butler apk in the U disk under all categories. Click the apk and the installation prompt will be displayed.
Copy the downloaded apk installation package to the U disk.
1. Use your Android phone to download and install the sofa butler mobile version: http://pub.shafa.com/download/shafa_mobile.apk;
2. Run the sofa butler mobile version on the mobile phone;
The 
The 
5, find the IP corresponding TV (or box), and click on the connection; [If you do not show the corresponding device, click the connection fails, sofa butler phone version shows "find the device", please wait a moment]
The 
The 
Installation process 1 Open the TV's own browser → 2 address bar input → 3 download sofa butler installation file → 4 download management open installation → 5 installation is complete
Steps
1. Select the browser, enter the URL shafa.com, download the sofa butler apk installation package.
(If you have difficulty downloading button points, it is recommended to use the virtual mouse on the remote control)
2. After the download is complete, the installation package installation prompt will pop up automatically. Follow the prompts to click [OK] to install. If the installation fails, restart the device and try again by following the steps (may be useful).
LiFePO4 Battery Pack refers to a battery pack that uses lithium iron phosphate (LiFePO4) as the positive electrode material, which is a common lithium-ion battery. LiFePO4 battery has been widely concerned and applied due to its advantages of high safety, long life, high energy density, and environmental protection.
Main effect:
Energy storage: The main function of the LiFePO4 Battery Pack is to store energy and store electrical energy so as to supply electricity to electrical equipment when needed. It can store electricity from solar panels or other power sources, and then supply power at night or when solar radiation is low.
Smooth power output: LiFePO4 battery has good power characteristics, can output power smoothly, and maintain a stable power supply. It can adjust and supplement power fluctuations to ensure the continuity and stability of the power supply.
Provide backup power: LiFePO4 Battery Pack can be used as a backup power source for power outages or emergencies, providing continuous power to critical equipment.
Differences from Solar Battery Pack:
Solar Battery Pack is a more general concept that refers to the overall unit formed by combining multiple solar battery cells. This battery pack can utilize different types of battery technologies, including lithium-ion batteries, lead-acid batteries, and more.
The LiFePO4 Battery Pack is a specific type of Solar Battery Pack, which refers to a solution that uses a lithium iron phosphate battery as a battery pack. Therefore, LiFePO4 Battery Pack is a subset of the Solar Battery Pack.
In general, LiFePO4 Battery Pack is a specific type of solar battery pack, which uses lithium iron phosphate lithium battery, which has the advantages of high safety and long life and is suitable for energy storage applications of solar power generation. The Solar Battery Pack is a broader concept, including all battery packs used to store solar energy or other energy, of which the LiFePO4 Battery Pack is just one of the implementations.
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