The pitch with Juice Pack Powerstation Pro is simple: you get the same 6000mAh battery capacity as the Juice Pack Powerstation Duo, swap a trimmer frame for a bulkier rubber-coated one, and lose one of two outbound USB ports. Mophie offers Powerstation Pro with black or orange rubber trims, each promising IP-65 dust-proofing and water-resistance. That rating means it can resist splashes or the occasional raindrop, which while falling short of actual…
