Store › Uniden Atlantis 155 Uniden Atlantis 155 $48.00 Battery Pack for MHS335BT & MHS338BTLi-Ion rechargeable battery pack specifically for Uniden's MHS335BT and MHS338BT. Add To Cart Added! Battery Pack for MHS335BT & MHS338BTLi-Ion rechargeable battery pack specifically for Uniden's MHS335BT and MHS338BT.