UPS Battery Restored after 3.5 years used

Dear friends. in this video i gonna tell you, how to restoration of 3.5 years old battery at home.

[@imranrizvi8006]

اسلام و علیکم
Acid do dobara dala uski gravity kia hay aur ap nay is battery ko mitha soda dal k wash nahee ki jab k pa ki aur videos may ap nay battery ko soda dal k wash kia hay