Principle of lead-acid special battery
Lead-acid Battery. Lead-acid batteries are secondary (rechargeable) batteries that consist of a housing, two lead plates or groups of plates, one of them serving as a positive electrode and the other as a negative electrode, and a filling of 37% sulfuric acid (H 2 SO 4) as electrolyte.The battery contains liquid electrolyte in an unsealed container, requiring it to be kept upright and …