Quattro Battery Acid Is A Pure De-Ionised Rated 1275 Formula. Recommended For All Lead-Cell Batteries .Quattro Battery Acid Is A Hight Quality 1L Solution Specially Formulated For Refilling And Maintaining Lead-Acid Batteries. This Battery Acid Offers Several Key Features And Benefits: Battery Maintenance: The 1L Container Provides Enough Acid To Refill Lead-Acid Batteries; Ensuring They Remain Properly Filled For Optimal Performance. Electrolyte Balance: Battery Acid Is Essential For Maintaining The Right Electrolyte Balance In Lead-Acid Batteries; Promoting Efficient Charging And Discharging. Prevents Sulfation: Properly Maintaining Lead-Acid Batteries With The Right Amount Of Acid Helps Prevent Sulfation; Which Can Lead To Reduced Battery Life And Performance.