Why can't premium Android phones last as long as Amazon Kindles?

Why can't premium Android phones last as long as Amazon Kindles?

As I'm packing for my much-needed vacation, I'm reminded of an issue I have with so many of the Android phones I test for TechRadar. I'm kind of dreading having to bring my OnePlus 10T with me. This thought occurred to me while I was trying to fit in my Amazon Kindle Oasis and frankly, it makes sense. That's because I can easily drop my Kindle into my backpack's side pocket without worrying that it's charged or having to find a last-minute spot for the charger. I trust my Kindle's battery life, which makes the decision of bringing the tab along easy and effortless. That's not something I can say about my phone, though, nor most of the phones I've tested recently. Battery anxiety I, like many people I know, …
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