We spent 3 days with an Android phone that has a 10,000mAh battery and didn’t need to charge it once

Credit: Hadlee Simons / Android Authority Silicon-carbon batteries have resulted in Android phones with huge batteries. We’ve even seen a few phones with 10,000mAh batteries, but these devices have mostly been restricted to China. Now, Xiaomi sub-brand REDMI has announced the £499 Note 17 Pro Max , bringing with it a massive 10,000mAh battery in a mainstream phone to global markets.