There are three main uses of this machine are :
1. Giving shock to the battery
2. DC output can be used for various purpose
3. When there is no battery available we can give power supply to the mobile phone
Assalama-o-alikum Dera Students Mobile Repairing ke ke hawala se InFormation di jayagi InShaaAllah WhatsApp group :-https://chat.whatsapp.com/LJfP9H2s20s66bzzja8Jha