Two models from the Galaxy S21 series have now appeared on a certification website with battery capacity. The certification reveals a 3880mAh rated battery capacity for model number G991 speculated to be Galaxy S21. The second image shows a 4660mAh battery capacity for model number G996 rumoured to be Galaxy S21+.
All three models in Samsung Galaxy S21 series will have at least 128GB and 256GB storage variants. However, the plus variant will have a 512GB storage capacity. The company has not announced anything regarding the Galaxy S21 series, but we hope to get more details soon.