Galaxy S9 and Galaxy S9+ battery capacities confirmed by parts retailer - SamMobile - SamMobile
Samsung Galaxy S9 and S9+ official battery life stats: Won't last much longer than the S8/S8+ - PhoneArena
Amazon.com: FBTDCHOK Upgraded Galaxy S9 Plus, [6000] Li-Polymer Replacement for Samsung Galaxy S9 Plus EB-BG965ABE, EB-BG965ABA, G965V G965A G965T G965P G965R4 G960F with Full Replacement Kits : Cell Phones & Accessories
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Here is the official spec sheet for the Galaxy S9 and Galaxy S9+ - SamMobile
Amazon.com: GREEN FUSION for Galaxy S9 Plus Battery Replacement, with Video Tutorial, EB-BG965ABA EB-BG965ABE Battery for Samsung Galaxy S9+ with Installation Instruction & Repair Toolkit : Cell Phones & Accessories
Key Samsung Galaxy S9 and S9 Plus specs leaked online - MSPoweruser
Galaxy S9 and S9+ Batteries Likely Same Size as Galaxy S8 Line
Galaxy S9 PLUS Battery Case, PunkJuice 5000mAH Fast Charging Power Ban – punkcase