Aqualung i300C Dive Computer

Overview

The Aqualung i300C Dive Computer combines straightforward operation with versatile dive features for both new and experienced divers. Its easy-to-read backlit display, two-button interface, automatic water activation, and four operating modes make it a dependable computer for recreational scuba, Nitrox, gauge, and freediving applications.

Built-in Bluetooth connectivity pairs with the free DiverLog+ app for wireless dive-log downloads, settings management, and software updates. With three-gas capability, automatic altitude adjustment, customizable alarms, and a user-changeable battery, the i300C provides useful features without unnecessary complexity.

Key Features

• Four operating modes: Air, Nitrox, Gauge, and Free Dive
• Three-gas capability: Supports underwater switching between up to three configured gases
• Nitrox compatible: Supports oxygen mixtures from 21% to 100% O2
• Bluetooth connectivity: Connects with the free DiverLog+ app for dive-log downloads and compatible device management
• Water activation: Automatically activates when entering the water
• Backlit display: Improves readability in low-light diving conditions
• Audible & visual alarms: Includes audible alerts and a high-visibility LED warning light
• User-changeable battery: Allows routine battery replacement without sending the computer in for service
• Automatic altitude adjustment: Automatically compensates for changes in elevation
• History mode: Tracks total dives, maximum depth, total dive hours, and lowest recorded temperature
• Fresh or salt water selection: Allows depth calculations to be matched to the diving environment
• Upgradeable software: Compatible software updates can be installed through Bluetooth

Specifications

• Display: Segment LCD with Backlight
• Controls: 2 Buttons
• Operating Modes: Air, Nitrox, Gauge & Free Dive
• Maximum Depth: 100 m / 330 ft
• Algorithm: Z+
• Nitrox Range: 21%–100% O2
• Gas Support: Up to 3 Gases
• PO2 Adjustment: 1.1–1.6
• Connectivity: Bluetooth / DiverLog+
• Activation: Water or Button Activated
• Altitude Adjustment: Automatic
• Water Selection: Fresh or Salt Water
• Logbook: Stores Up to 24 Dives
• Battery: User Changeable
• Air Integration: No
• Digital Compass: No

Best For

What’s Included

Why Choose This Dive Computer?

The Aqualung i300C is a strong choice for divers who want an easy-to-operate computer with room to grow. Its four dive modes, three-gas Nitrox capability, Bluetooth connectivity, automatic water activation, and user-changeable battery provide useful everyday functionality while keeping the interface simple and approachable.

Care & Return Policy

Rinse the dive computer thoroughly with fresh water after each dive and allow it to dry completely before storage. Store in a cool, dry place away from direct sunlight, excessive heat, and harsh chemicals or solvents.

• Battery: Follow Aqualung instructions when replacing the user-changeable battery and make sure the battery compartment is properly sealed before diving.
• Storage: Protect the display from scratches, impacts, excessive heat, and prolonged direct sunlight when the computer is not in use.
• Returns: Return eligibility is subject to House of Scuba’s current return-policy requirements.

For full details on returns and eligibility, please review our Return Policy.