Galaxy S9 and S9+ Batteries Likely Same Size as Galaxy S8 Line
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Samsung Galaxy S8 vs. Samsung Galaxy S9 battery life - Android Authority
Samsung Galaxy S9 vs S8 : comparison and major differences - Back Market US
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Official Galaxy S9 battery life stats aren't much different from the Galaxy S8 - SamMobile
for Samsung Orginal Battery 3.85V 4000mAh for Samsung Galaxy S6 S6 Edge/Plus S7 S7 Edge S8 S8 Plus+ S9 S9 Plus S10 S10e S10 Plus - China Samsung Original Battery and Samsung
Samsung Galaxy S8 vs. Samsung Galaxy S9 battery life - Android Authority
New OEM Original Genuine Samsung Galaxy S9 G960 Battery EB-BG960ABA 3000mAh | eBay