The 590H has 60 ?inches of gold plating on its Kovar leads an Kovar header. A resistance welder is used to seal the nickel cap to the header. The AD590 chip is eutectically mounted to the header and ultrasonically bonded to with 1 MIL aluminum wire.
To repair laptop battery you have to replace cells and to resetbattery EEPROM . Cells replacement is easy and can be made by any technician with a spot welder. But EEPROM fixing is very complicated and can be made only by person with special skills
