Current recommended intakes of sodium for healthy adults by age groupGroupAdequate intake (AI) of sodium*Salt equivalentAges 19–501.5 g/1,500 mg3,800 mg, or ⅔ teaspoon (tsp.)Ages 51–701.3 g/1,300 mg3,200 mg, or ~½ tsp.Ages 71 and over1.2 g/1,200 mg2,900 mg, or ½ tsp.•01-Nov-2009
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Some trickle chargers can safely be left connected for months without doing harm to your battery, providing an easy long term battery maintenance strategy. Others may only be left connected for a few days at most. Be sure to check your trickle charger's manual for details.