METHOD FOR FORMING LEAD-ACID BATTERIES AND PLANT FOR IMPLEMENTING SAID METHOD

A method for forming lead-acid batteries ( 2 ) that comprises the following stages: a first electrolyte ( 7 ) at a given concentration and constant temperature is collected from a first tank ( 5 ); said first electrolyte ( 7 ) is distributed to the batteries; said first electrolyte ( 7 ) is circulated continuously at predetermined and substantially constant concentration and temperature for a preset amount of time; said batteries are powered with a direct current during the circulation of said first electrolyte ( 7 ) for a given initial charge time; the circulation of said first electrolyte ( 7 ) is cut off and a second electrolyte ( 8 ) is circulated in said batteries, said second electrolyte being collected from a second tank ( 6 ), at a greater concentration than the previous electrolyte and at a preset and substantially constant temperature for a further preset time; said batteries are powered with a direct current during the circulation of said second electrolyte ( 8 ) for a preset second charge time.