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Free 2 Day Air (In-stock items only)
The i550C is an easy-to-use, rugged, and versatile dive computer perfect for both new and seasoned divers alike.
Equipped with a comprehensive suite of features, including Bluetooth, gas integration, Nitrox and Gauge modes, backlight technology, and gas time remaining in an easy-to-read, large face console, it allows you to focus on your dive. The i550C is easily customizable, with an optional quick disconnect for convenient storage and a top-mount compass, making this computer the sure choice for your dive kit.
3 operating modes. Air, Nitrox, Gauge (with run timer). Fueled by Buhlmann ZHL-16C-based PZ+ algorithm, altitude adjustable to 14,000' (4,270m) has a maximum depth readout of 330' (100m) in dive mode and 399' (120m) in gauge mode. User-changeable CR2450 lithium battery and data retention. Maintains settings and calculations between battery changes. Gas integrated. Tank pressure is easy to read in the large face screen.
Aqualung's patented Gas Time Remaining Algorithm provides calculations in real time, allowing accurate gas management. Backlighting for easy reading in low light. Audible alarms and an additional high-visibility LED warning light for additional safety. Pre-dive planning feature allows a preview of planned dives. User-updatable software gives access to the latest features and upgrades.
Bluetooth data transfer to DiveLog + app* -Using your smartphone or tablet, the DiveLog+ app (available for iOS and Android) allows you to wirelessly interact with your i550C via the latest Bluetooth Smart technology. Remotely control all your i550C settings, view log and profile data, and locations, notes, and other details, as well as store and share photos and videos of your dive.
Water-activated (turns on automatically). Automatic altitude adjustment ensures an accurate profile. Single button access to last dive display (max depth and bottom time). History Mode includes the total number of dives, max depth, total dive hours, and lowest temperature. Nitrox mix to 100% O2. Optional deep stop with a countdown timer. Extended Range Gauge Mode, and salt or fresh water dive selection. The Diverlog+ app can be downloaded for free from the App Store, Google Play, or ediverlog.com. The computer includes a digital instruction manual, paper safety reference, DiveLog brochure, quick reference card, and lens protector.
Modes:
AIR
NITROX
GAUGE (WITH RUN TIMER)
What's in the box:
Digital Instruction Manual
Safety Reference Info
Diverlog Brochure
Quick Reference Card
Lens Protector
Product Details
Straightforward and rugged, the i550C is all business. It has three dive modes, Bluetooth connectivity, and an easy-to-read, large-face console with accurate, real-time gas data so you can manage gas with precision. Customize it to suit you even more with an optional quick-disconnect for convenient storage or a top-mount compass.


Features


What’s in the box
Diverlog+
DiverLog+ Mobile App (FREE!)
Android | Iphone
Need DiverLog Support? Contact DiverLog here
Learn more about Diverlog+ here


| Product Category | Computers |
| SKU | AQL-NS117121 |
| Condition | New |
| Brand | Aqua Lung |
No, that computer does not allow you to adjust the font size.
By HOLLIE LINDAUER on February 09, 2026 Verified Buyer
My 2022 sensor depth reading on my aqua lung integrated i550 computer malfunctioned which is not repairable and aqualung offered no assistance or credit. They don’t keep stats on product life expectancy. It’s an expensive piece of equipment and I’ll be looking to switch from aqua lung when this one breaks.
Thank you for your valuable feedback about this product.