We recently learned about the Samsung Galaxy Watch9 and Galaxy Watch Ultra 2’s charging speeds, as they have been 3C certified. Both smartwatches will support 10W charging, which is the same as their predecessors. While Samsung isn’t offering any charging-speed upgrades for its upcoming smartwatches, a new report claims the Korean brand will pack a larger battery into the Watch Ultra 2.
According to SamMobile, the Samsung Galaxy Watch Ultra 2 will be fueled by a battery with a rated capacity of 784 mAh, which could be advertised as having a typical capacity of 800 mAh. That’s a nice upgrade over the Galaxy Watch Ultra, which came with a 590 mAh battery.

Samsung Galaxy Watch Ultra
The Samsung Galaxy Watch9’s 40mm model, on the other hand, is said to come with a battery with a rated capacity of 382 mAh, and it could be marketed as a battery with a typical capacity of 400 mAh. The Galaxy Watch8’s 40mm version packed a 325 mAh battery.
The same source previously claimed that the Galaxy Watch9’s 44mm model would pack a 435 mAh battery, the same as the Galaxy Watch8’s 44mm model.
Samsung is also expected to unveil the Galaxy Watch9 Classic, and all three of these smartwatches are said to go official alongside the Galaxy Z Flip8, Galaxy Z Fold8, and Galaxy Z Fold8 Ultra, rumored to be unveiled on July 22.