Samsung Tested Galaxy S27 Ultra Prototype With 7,000mAh Battery, Dropping S Pen
Samsung tested a Galaxy S27 Ultra prototype with a 7,000mAh battery, which required removing the S Pen slot. The production model will instead feature a 5,700mAh to 6,000mAh battery, marking the first Ultra flagship to exceed 5,000mAh. Details remain unconfirmed as of August 2026.
Samsung tested a Galaxy S27 Ultra prototype equipped with a 7,000mAh battery, but the production model will cap battery capacity between 5,700mAh and 6,000mAh. The device carries a rated capacity of 5,534mAh, with a typical capacity of approximately 5,700mAh, up from the 5,000mAh in the Galaxy S26 Ultra. This marks the first time an Ultra flagship from Samsung has featured a battery exceeding 5,000mAh.
To accommodate the larger battery, the test prototype removed the S Pen slot. The S Pen, a differentiating feature of the Galaxy S Ultra series, is a key factor in the trade-off between internal space and battery capacity. Samsung also controlled the amount of silicon material used in the battery to balance capacity gains with long-term durability.
As of the time of reporting, the above information remains unconfirmed, and final specifications are subject to Samsung's official announcement.