Guides
Plain-English buying guides for everyday tech, oral care and home: what to look for, what to skip, and a few current picks.
Can you take a power bank on a plane? The rule is watt-hours, not mAh
Airlines limit power banks by watt-hours, and the number printed on the case is usually mAh. Here is the conversion, the 100Wh line, and what actually gets confiscated.
6 min readCharging stations for multiple devices: what the total wattage really means
A six-port charging station rarely gives six devices full speed. How power is shared, what to look for before buying, and a few current picks.
7 min readUSB-C chargers with Power Delivery: what the wattage actually buys you
What Power Delivery is, how many watts your device can actually take, and why the cable matters as much as the charger. With a few current picks.
7 min readHow to spot a fake discount on Amazon
Four quick tests that tell you whether that 80% off is real, with real examples of how fake list prices are built.
6 min readBest USB chargers under $25
What actually matters when buying a cheap charger, and a few current picks under $25.
5 min read