Check the listing for details. Battery Kit for Hollis DG03 Dive Computer & Transmitter Complete. Condition: New. Listed at 21.40 USD. Replacement Battery Kit For: Hollis DG03 Dive Computer & Transmitter (Complete) Kit Includes: For Computer: 1 New Sony 3.0V Lithium battery, 1 Battery hatch O-ring For Transmitter: 1 New Duracell 3.0V Lithium cell and 1 Battery Hatch O-ring for transmitter. 1 Tube silicon grease lubricant for O-rings Components are brand new, sealed and meet all factory specifications. All kits must meet your satisfaction or your money back! Shipping: We ship items shipped within one to two days of receiving your order. Please use the shipping calculator to determine the rate to your location. We primarily use USPS First Class Mail and Fed-Ex Ground for larger items. We ship Monday through Friday. If you need the item(s) rushed to you please contact us.