Samsung Galaxy Watch Ultra 2 Leak Highlights Bigger Battery

Samsung is expected to officially unveil its next flagship smartwatch, the Galaxy Watch Ultra 2, at its Galaxy Unpacked event in London on July 22, 2026. Ahead of the launch, detailed marketing images and specifications have surfaced online, outlining significant upgrades to the device's battery, display, durability, and design.

The leaked materials, shared by tipster Evan Blass, indicate the new model will feature a substantially larger 800mAh battery, a roughly 35% increase over the 590mAh cell in the current Galaxy Watch Ultra. This is expected to translate into longer endurance between charges, particularly for power-intensive activities like GPS tracking. Despite the larger battery, the watch is reportedly 12% thinner than its predecessor, which could improve wearability while maintaining a rugged aesthetic.

Display brightness appears set for a major boost, with the leaked specifications claiming a peak of 5,000 nits, a significant jump from the 3,000 nits offered on the outgoing model. This upgrade is aimed at improving screen readability in direct sunlight, a key feature for outdoor athletes. The watch will also reportedly carry an IP69K rating for water and dust...