Remember my caveman friend, Will Lord? He’s the kind of guy you’d definitely want by your side if you suddenly found yourself transported back 4,500 years to the Bronze Age. I’ve watched Will craft razor-sharp flint tools, build powerful bows, and create pinpoint-accurate arrows. He’s even cast swords and axe heads from bronze. Also: 10 passkey survival tips: The best preparation for a password-less future is to start living there nowBut even a real-life caveman enjoys a bit of electricity. Over the past few years, Will has been testing a variety of power stations for me. It’s the perfect setting for evaluation as the power stations are exposed to the elements, moved around the site, charged by solar energy, and occasionally taken back to civilization for a quick recharge from an AC outlet. They are put to work powering a wide range of devices, including lights, heaters, kettles, and power tools. Recently, I tested Anker’s new Solix F3800 More