Galaxy S26 Ultra Leak Reveals Disappointing Battery Capacity

Key Takeaways

1. The Galaxy S26 Ultra will have a battery rated at 4,885 mAh, advertised as 5,000 mAh.
2. The device will support a maximum voltage of 4.5 volts, but charging speed details are unclear.
3. Competition from other flagship devices, like Xiaomi 16 with up to 7,500 mAh, may affect its appeal.
4. The S26 Ultra will feature a ‘Flex Magic Pixel’ display using AI technology for privacy.
5. It will be powered by the Snapdragon 8 Elite 2 processor and include 10.7 Gbps LPDDR5X RAM.

Initial whispers suggested that the Galaxy S26 Ultra would receive a much-needed battery enhancement. It was expected to feature a 5,500 mAh battery capable of charging at 65 Watts. However, Sammobile has now clarified at least one of these rumors by discovering a certification entry on the China Quality Certification website that clearly lists the Galaxy S26 Ultra’s battery details.

Battery Specifications

The battery, codenamed EB-BS948ABE, boasts a rated capacity of 4,885 mAh, which is typically advertised as 5,000 mAh. The S948 designation confirms it belongs to the Galaxy S26 Ultra, since the previous model, the Galaxy S25 Ultra, had the codename SM-S938. Additionally, the battery is rated for a maximum of 4.5 volts; however, this information alone does not provide insights into its charging speed without knowing the Amperes it draws.

Market Competition

Although a higher charging Wattage might still be possible, the diminished capacity could make the Galaxy S26 Ultra less appealing when compared to other flagship devices. For instance, the upcoming Xiaomi 16 is expected to come with an enormous 7,000 mAh battery. Its counterpart, the Xiaomi 16 Pro Max, may even include a 7,500 mAh battery.

Promising Features Ahead

On a brighter note, the Galaxy S26 Ultra is anticipated to come with significant enhancements, including a ‘Flex Magic Pixel’ display that leverages AI technology to keep prying eyes away from your screen. Moreover, its ISOCELL HP2 sensor will feature a larger F/1.4 aperture, enabling it to capture more light. Finally, it will be equipped with the Snapdragon 8 Elite 2 for Galaxy alongside 10.7 Gbps LPDDR5X RAM.

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