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iPhone XS has a smaller battery than iPhone X, XS Max has the biggest battery in an iPhone yet - Technology News
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iPhone X Teardown Shows Two Batteries, Two Logic Boards and a Whole Lot of Glass at the Front and Back
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Amazon.com: Battery for iPhone X,Upgraded 3380mAh Ultra High Capacity New 0 Cycle Replacement Battery with Complete Professional Repair Tool Kit : Cell Phones & Accessories
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Amazon.com: [4100mAh] Battery for iPhone X, (2022 New Version)Conqto New Upgrade 0 Cycle Ultra High Capacity Battery Replacement for iPhone X Model A1865, A1901, A1902 with Full Set Professional Repair Tool Kits :
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Last year's iPhone X beats iPhone XS, XS Max in battery life test - iPhone Discussions on AppleInsider Forums
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