There's a new, obscure way to bring almost ANY dead battery back life once again. I have actually currently tried it with automobile, laptop computer, and phone batteries that were completely dead. You can simply replace your old batteries and conserve a great deal of cash. https://drapia.org/11-WIKI/index.php/How_To_Locate_Out_Every_Thing_There_s_To_Learn_About_How_To_Bring_A_Dead_Lead_Acid_Battery_Back_To_Life_In_5_Simple_Measures