I recently upgraded to the iPhone 16 Pro Max, and for the first time in years, I’ve stopped thinking about when to charge my phone. No rushed top-ups before heading out, no end-of-day battery panic – just solid, all-day performance. It’s made me realize something: I no longer care about charging speed, especially when it comes to fast charging. Now, that might sound odd in a world where smartphones boast 100W, 120W, or even 240W fast charging. But today’s best phones have become so efficient that I’m more interested in how long a phone lasts – and how long it…