Big batteries are becoming a serious selling point in the mid-range and budget smartphone market, and Oppo looks ready to push that trend further than most. A new leak points to an upcoming Oppo phone packing a 10,000mAh battery, which would be the largest the company has ever shipped in a device.
The phone in question is reportedly called the Oppo A7 Pro Max. According to NotebookCheck, the information comes from Digital Chat Station, a leaker with a solid track record on Chinese smartphone news. If the specs check out, this phone will sit well above Oppo’s current battery leader, the A6 Pro 4G, which tops out at 7,000mAh.
For context, a 10,000mAh battery in a phone this size is a big deal. Most flagship phones still sit between 5,000mAh and 6,000mAh. Even the recently released Redmi Note 17 Pro, which made headlines for its large battery, only carries 9,000mAh. The Oppo A7 Pro Max would beat it outright.
The battery is said to be a single-cell unit, which generally means better charging efficiency and longevity compared to dual-cell designs. It reportedly supports 80W wired fast charging, which is faster than the Redmi Note 17 Pro’s 67W. That combination of capacity and charging speed is rare at the budget end of the market.
The rest of the leaked specs round out a solid package for a budget phone:
- 6.78-inch OLED display with 120Hz refresh rate and 1.5K resolution
- Snapdragon 4 Gen 5 processor, announced in May 2026
- 50MP front camera
- 50MP primary rear camera plus a 2MP secondary rear camera
- 8.47mm thickness and 226 grams in weight
No RAM or storage options have been mentioned yet, which is a notable gap. Those details will matter a lot for how the phone performs day to day, especially if it is targeting cost-conscious buyers who want longevity over raw power.
The timing of this leak fits a broader pattern. Chinese phone makers have been quietly competing on battery size for the past year, treating capacity as a headline spec much like camera megapixels were a decade ago. For buyers who spend long days away from a charger, or who simply hate worrying about battery life, a 10,000mAh phone at a budget price is an obvious appeal.
There is no confirmed release date, price, or word on whether the Oppo A7 Pro Max will launch outside China. Oppo has a habit of keeping its A-series phones domestic or limited to select Asian markets, so global availability is not guaranteed. That said, if the phone does reach wider markets, it will be hard to ignore at the right price.