India, Nov. 12 -- Smartphone battery anxiety might soon be a thing of the past as Oppo is reportedly preparing a new high-capacity battery phone ahead of a possible December release. A new Oppo handset with the model number PNC110 has appeared on China's TENAA and Ministry of Industry and Information Technology (MIIT) certification databases, revealing its design and battery details.

The device is tipped to launch in China next month as the Oppo A7 Ultra and could feature a 12,000mAh battery, according to Digital Chat Station, a popular tipster on Weibo. Oppo has not officially confirmed the phone's name or launch timeline.

The upcoming phone is expected to be the third major device in the A7 family, after the Oppo A7 Pro and Oppo A7 Pr...