Reddit reviews Galaxy S8 Battery Case,ALCLAP 5000mAh Rechargeable Portable Charger Case Protective Charging Case for Samsung Galaxy S8(Black)
We found 2 Reddit comments about Galaxy S8 Battery Case,ALCLAP 5000mAh Rechargeable Portable Charger Case Protective Charging Case for Samsung Galaxy S8(Black). Here are the top ones, ranked by their Reddit score.
https://www.amazon.com/dp/B072267HNN
If you like you can purchase it from Amazon. That way you have the Amazon protection included.
https://www.amazon.com/dp/B072267HNN/ref=cm_sw_r_cp_apa_C47gzb10M5EM9
People have reviewed it and said they had a good experience with the battery case. There's also video reviews online if you like.