It’s ability to supply high surge currents and their low cost (Cheap price). They are popular for work that require high currents , for use in motor vehicles to provide the high current required by automobile starter motors such as Vehicle, Wheel Chair, Scooter, Fork Lift, UPS and Emergency Light.
Ammonia can neutralize spilled battery acid. Surplus ammonia and water evaporate, leaving an ammonium sulfate residue. Sodium bicarbonate (baking soda) is also commonly used for this purpose.