How safe is a power bank? Built-in protections, CE marking and smart habits
Lithium batteries deserve respect, and good products have layers of protection built in. What those protections do, what CE means, and the habits that...
Guides
MagSafe and magnetic wireless charging: how it really works
What is the difference between Qi, MagSafe and 'MagSafe compatible'? And when is magnetic wireless charging more convenient than a cable? Clear answers, no...
Can you take a power bank on a plane? The rules, made simple
Power banks are allowed on planes, but only in your hand luggage and under a watt-hour limit. Here is how to check whether your...
USB-C cables compared: 100W or 240W — and when does 40Gbps matter?
Every USB-C plug looks the same, but the cables differ enormously. Here is how to choose between 100W and 240W, and when 40Gbps data...
Is 65W enough for your laptop? GaN chargers and USB-C Power Delivery explained
What do 65W and GaN mean on a USB-C charger, which laptops does it cover, and what happens when you plug in several devices...
How many mAh do I need? Power bank capacity, honestly explained
10,000 or 20,000 mAh? Here is how to work out how much power bank capacity you really need, including conversion losses, airline rules and...