Samsung appears to be making a long-overdue upgrade to its premium tablet lineup, with the upcoming Galaxy Tab S11 Ultra rumored to feature a larger battery—the first meaningful boost in capacity since the series debuted with the Tab S8 Ultra.
According to new regulatory filings and supply chain leaks, the Galaxy Tab S11 Ultra will sport a battery rated at 11,374 mAh. That’s a modest but notable jump from the 10,880 mAh rated capacity in the current Tab S10 Ultra. Once Samsung factors in standard industry rounding, the typical (advertised) capacity could land between 11,700 and 11,900 mAh—pushing the device closer to the elusive 12,000 mAh milestone.
For context, both the Tab S8 Ultra and S10 Ultra shared the same 11,200 mAh typical capacity, meaning this marks the first bump in battery life for Samsung’s Ultra tablets in over two generations. While the increase may not be dramatic, it suggests Samsung is ready to re-invest in stamina for its oversized Android slate, particularly as users demand longer sessions for productivity, entertainment, and creative workloads.
Earlier rumors suggest that Samsung may equip the Galaxy Tab S11 Ultra with MediaTek’s flagship Dimensity 9400 chipset, a move that would signal a significant departure from its usual reliance on Qualcomm’s Snapdragon series for its premium tablets. If true, this shift could offer benefits in thermals and AI performance—though it remains to be seen how fans will react to the change in silicon.
There’s also speculation that Samsung will skip a “Plus” variant this time around, narrowing the lineup to just a base Tab S11 model and the S11 Ultra. The base model (SM-X730/SM-X736B) is rumored to retain the 8,160 mAh battery from the Tab S9, which suggests Samsung is prioritizing battery growth in the Ultra tier only.
As for when we’ll actually see the Tab S11 series, don’t expect a launch alongside the Galaxy Z Flip 7 and Z Fold 7—which are widely tipped for a July Unpacked event. Sources indicate that software development for the S11 lineup is lagging, hinting at a possible fall release, similar to the Tab S10 Ultra’s timeline last year.
Samsung’s Tab S line remains one of the few true competitors to the iPad Pro, and this small—but important—battery upgrade could help reinforce its position in the high-end Android tablet space. Combined with the rumored MediaTek chipset and an expected bump in display and multitasking capabilities, the Galaxy Tab S11 Ultra is shaping up to be a serious productivity powerhouse.
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