Honor X9c demonstrates the benefits of silicon-carbon batteries in DxOMark analysis
Until recently, almost all smartphones were equipped with lithium-ion batteries, with flagships such as the Apple iPhone 16 Pro continuing to use this battery technology. However, Chinese smartphone makers such as Huawei, Honor and Xiaomi are increasingly adopting silicon-carbon batteries, which these companies are marketing as more eco-friendly, safer and longer lasting.
There is still potential for improvement in terms of environmental friendliness since silicon isn’t recycled commercially. However, the technology at least offers smartphone users a substantial edge: higher energy density. This property enables the Honor X9c to pack a 6,600 mAh battery into a thin chassis weighing just 189 g (0.42 lb); the new Realme Neo7 boasts an even bigger 7,000 mAh battery. This new technology has helped propel the Honor X9c to the top spot on DxOMark’s smartphone ranking by battery score, which should come as no surprise given the phone’s highly impressive battery life.
On a single battery charge, the Honor X9c offers over 42 hours of talk time, 29 hours of video playback and 15 hours of gaming. With “moderate” usage, the X9c has enough power to keep going for four days. According to DxOMark, the mid-range phone can last longer than two days even with seven hours of use each day.
The phone is capable of charging at 66 watts over USB-C, meaning it takes slightly more than an hour for a full charge, and roughly 42 minutes to go from 0 to 80%. Whilst not record-breaking, this performance is still rather solid considering the battery’s capacity. For comparison, the Apple iPhone 15 Pro Max requires more than two hours to charge its much smaller 4,441 mAh battery.
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