Check the listing for details. For Aqua Lung i200, i200C Computer Adjustable Battery Tool Key Scuba Dive. Condition: New. Listed at 14.90 USD. This adjustable battery tool key is a must-have for scuba diving enthusiasts who own Aqua Lung i100, i300, and i300C dive computers. It's perfect for opening the battery hatch without damaging the computer. This tool is specifically designed for this purpose and is made of high-quality materials to ensure reliability and durability. Whether you're a professional diver or an occasional adventurer, this battery hatch key tool is a necessary accessory for maintaining the longevity of your dive computer. It's easy to use and ensures a secure fit to prevent water from entering the hatch. Get your hands on this essential tool today and enjoy worry-free diving! Scuba Computer Battery Hatch Door Key Tool Adjustable Watch video for battery replacement tutorial. For: Aqua Lung: i100, i200, i200C, i300, i300C Oceanic: All Veo Computers, Versa, Versa Pro, VT Pro, VT3, VT4, VT4.1, Bud, Atom, Atom 2.0, Atom 3.0, Atom 3.1, F10, F11, Geo, Geo 2.0, Geo 4.0, Geo Air Aeris: XR1, XR1-nx, XR2, A100, A300G, A300-ai, A300-XT, Atmos 1, Atmos 2, Atmos-ai, Elite, Elite T3, Manta, Epic, Epic 2.0, F10, F11 Sherwood: Insight, Profile, Amphos, Amphos 2.0, Vision Genesis: Resource Pro, React Pro Suunto: Gekko, Vytec, Zoop, Vyper, Vyper Air, Cobra, Cobra 2, Cobra 3, Hel02 Hollis: DG01, DG02, DG03, TX1 Tusa: Zen IQ 900, IQ950, Talis Package 1* opening tool only No other items or parts included