Cat phones introduces the Cat S41, a rugged and resilient smartphone with a massive and powerful battery, designed to keep users connected no matter what challenges the day presents. The Cat S41 is the successor to the Cat S40 smartphone and carries the legacy of the Caterpillar brand, well known for high quality and rugged Cat phones introduces the Cat S41, a rugged and resilient smartphone with a massive and powerful battery, designed to keep users connected no matter what challenges the day presents. The Cat S41 is the successor to the Cat S40 smartphone and carries the legacy of the Caterpillar brand, well known for high quality and rugged