Xiaomi’s new Redmi phone lasts for three days on a single charge

<figure> <img alt="" data-caption="The Note 17 Pro Max also has a photochromic design, which is revealed by sunlight." data-portal-copyright="" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/08/redmi-note-17-pro-max-4.jpg?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> The Note 17 Pro Max also has a photochromic design, which is revealed by sunlight. </figcaption> </figure> <p class="wp-block-paragraph">The 9,210mAh dual-cell battery in the new Redmi Note 17 Pro Max is the biggest that Xiaomi has fit in any phone it's sold in Europe - and remarkably, in some other markets the phone comes with an even larger 10,000mAh single-cell design.</p> <p class="wp-block-paragraph">As you can probably guess, this is a <a href="https://www.theverge.com/the-stepback-newsletter/776517/silicon-carbon-batteries-phones">silicon-carbon battery</a> either way, one with a high 16 percent silicon content, meaning it's more energy-dense than most. It's allowed Xiaomi to fit this huge battery into a phone that's basically the same size as an <a href="https://www.theverge.com/tech/779265/iphone-17-pro-max-review">iPhone 17 Pro Max</a>, but 8g lighter and fractionally thinner too.</p> <p class="wp-block-paragraph">Xiaomi says the Redmi Note 17 Pro Max should give you "worry-free use" for up to three days, …</p> <p><a href="https://www.theverge.com/gadgets/984927/xiaomi-redmi-note-17-pro-max-9210mah-battery">Read the full story at The Verge.</a></p>