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Zhou Yibao, the Product Manager for the OPPO Find Series has confirmed that the Oppo Find X8 series devices adopt silicon-carbon anode batteries, which the company calls glacier batteries.

For those unfamiliar, this new battery technology offers higher energy density (an industry-leading 763 Wh/L) compared to traditional graphite batteries. It allows manufacturers to pack more capacity into a compact space.
According to a previous rumor from Weibo tipster Digital Chat Station, the Oppo Find X8, Find X8 Pro, and the Find X8 Ultra will pack 5600 mAh, 5,700mAh, and 6,100 or 6,200mAh battery, respectively. For context, both the Find X7 and Find X7 Ultra houses 5000 mAh batteries.

This new battery tech was first adopted by the OnePlus Ace 3 Pro launched back in June this year, where the energy density of the battery is reportedly 23.1% higher as compared to traditional graphite batteries. We have also seen super thin foldable devices such as the Honor Magic V2 and its newly launched Magic V3 that benefits from this relatively new battery technology.

OPPO Find series’ product manager also revealed that their Glacier Battery has achieved the industry’s highest 6% negative electrode silicon-carbon content. Technically, the higher the silicon content, the higher the energy density should be.

Of course, increasing the percentage of silicon in the anode has its own limitations, and it’s good to see that smartphone manufacturers are pushing their limits to offer a longer battery life without sacrificing the in-hand experience.According to the company's head, Oppo has been working with CATL, one of China's lithium-ion battery makers, and has developed a battery technology cooperation program for the next 1-3 years. It is expected to lay a solid foundation for the battery life of future Oppo Find X series devices.