![Okay, after 2 months of waiting i've got a new battery (my original swelled in a year). So I'll install it into the case and that's it? Or I should also calibrate Okay, after 2 months of waiting i've got a new battery (my original swelled in a year). So I'll install it into the case and that's it? Or I should also calibrate](https://preview.redd.it/mnjsgem4pzh31.jpg?auto=webp&s=1c85b29237d4fa396d46f4ec69fa84bb2f879ef1)
Okay, after 2 months of waiting i've got a new battery (my original swelled in a year). So I'll install it into the case and that's it? Or I should also calibrate
![batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/7ILCJ.jpg)
batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange
![batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/LJ3n1.jpg)
batteries - is it okay 4 years old used UPS Battery filling sulfuric Acid insted of Distilled water? - Electrical Engineering Stack Exchange
![power supply - Is it okay to use these kind of batteries with this holder (pictures inside) - Electrical Engineering Stack Exchange power supply - Is it okay to use these kind of batteries with this holder (pictures inside) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/XOJat.jpg)