Lemonade with salt and sugar can replenish electrolyte, and lemonade with sugar and salt can form electrolyte water. Electrolyte actually refers to a compound that can generate free ions and conduct electricity in aqueous solution or molten state, and usually refers to a substance that conducts electricity in solution. So pure brine is electrolyte water. Add some salt and sugar to water to replenish energy while supplementing electrolyte.