To say that I had a love/hate relationship with handheld vacuums for many years would be putting it mildly. I love the idea of a cordless handheld vacuum that is charged up and always ready to make a quick pickup; in fact, it is on my list of household must-haves. But I hate when the thing runs for only a few minutes before it needs to be recharged, is heavy and awkward to use, and has such weak suction it doesn’t do a very good job of picking up anything. Backstory It’s been more than 30 years since I got my first handheld Dustbuster. It would hold a charge for maybe two minutes, if all the stars were properly aligned and I held it in just the right position. And the thing completely failed after only a few months—refusing to hold any charge at all. Rubbish! Since then, I’ve had …