DIY Battery 180 Pesos for DC Fan and Cellphone Charging | Upgraded Version

This is cheapest DIY battery bank turning dead lead acid into useable lithium - ion battery pack. Package includes the cellphone charging and DC out for 12 volts system.
Cost: 180 pesos only.
Upgraded version of lithium - ion battery pack.
How to turn lead acid into lithium ion battery?
Materials:
3s BMS
DC Socket (Female)
On/Off Switch
Charging module
Turning lead acid battery into lithium ion is easy and afforadable.