If you own a car, you have probably been advised to move with the battery jumper cables. When you ask why they usually say, “just in case.” In 2016, while traveling to Jinja, an 80-kilometer journey, I parked at a trading center and took time off to enjoy nature. When you travel by private means, you can afford such luxuries along the way. After about three hours of sightseeing and relaxation, I returned to my car. The battery could not start. I decided to stand by the roadside for a good Samaritan to come to my rescue. Fortunately, many cars…