Batteries; Flowmeters; Odometers; Voltmeters; Battery chargers; Carrying cases for mobile computers; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic equipment, namely, electrolysis cell for use in the manufacture of various ionic solutions; Electronic weighing scales for kitchen use; Golf club swing aids, namely, golf club balancing scales and scale parts thereof, to analyze, fit and/or make golf...