Best Answer: No, none of the Mophie Juice Pack Access variants are waterproof. You'll need to take the necessary precautions when transporting it around moisture and in inclement weather. Either use a waterproof case or a waterproof pouch.Waterproof pouch: Mpow 097 Universal Waterproof Case (2-Pack) ($7 at Amazon)Waterproof case: Catalyst iPhone Xs Waterproof Case ($90 at Amazon)Just in case: Mophie Juice Pack Access iPhone X/XS ($100 at Amazon)