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Mares

Mares Puck 4 dive computer

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Features of Mares Puck 4

Product description of Mares Puck 4 dive computer

Description summary

Elevate your dives with the MARES Puck 4 dive computer. Featuring a sleek design and a larger, crystal-clear display, it offers exceptional readability. Seamlessly connect to your smart device via Bluetooth to effortlessly log and share your adventures through the Mares app. Powered by the adaptable Bühlmann ZH-L16C algorithm with customizable gradient factors, it ensures personalized safety. Dive with confidence in Air, Nitrox, Multigas, or Bottom Timer modes. Its intuitive single-button interface, user-replaceable battery, and upgradeable firmware make it a reliable and future-proof companion for divers of all levels

Discover the evolution of an icon with the MARES Puck 4, a dive computer designed for the modern diver who demands functionality, reliability, and seamless connectivity. Building on the legacy of its predecessor, the Puck 4 introduces a sleeker, slimmer profile housing a larger, crystal-clear display that makes crucial dive information instantly readable. Whether you are just beginning your underwater adventures or are a seasoned explorer, this computer offers an exceptionally intuitive experience, managed through a single, user-friendly button.

Experience a new level of freedom and convenience with integrated Bluetooth technology. The Puck 4 allows you to download your dive logs directly to your smart device via the Mares app, eliminating the need for extra cables and making it easier than ever to track, analyze, and share your diving experiences. This essential feature means your digital logbook is always up to date and at your fingertips. The core of its performance lies in the proven Bühlmann ZH-L16C algorithm, with customizable gradient factors that allow you to tailor the decompression profile to your personal diving style and needs. This advanced capability ensures a safer, more personalized approach to your underwater exploration.

Main Features
* Powered by the Bühlmann ZH-L16C algorithm with adjustable gradient factors for personalized safety.
* Versatile dive modes including Air, Multigas, and Bottom Timer to suit any dive plan.
* Superior screen readability with a sharp, high-contrast segment display.
* Advanced multigas capability, making it a fully Nitrox compatible computer for up to three gases (from 21% to 99% O2).
* Dedicated bottom timer mode featuring a resettable average depth and stopwatch.
* Comprehensive decompression dive planner with a user-adjustable surface interval function.
* Onboard logbook with capacity for up to 100 dives, including detailed profile graphs.
* Features a convenient and cost-effective user-replaceable battery (CR2450).
* Effortless data transfer as the Bluetooth interface included connects directly to smart devices.
* Intuitive navigation and control through a simple, single-button interface.
* Firmware is fully upgradeable, ensuring your computer stays current with the latest features.

Technical Specifications
* Algorithm: Bühlmann ZH-L16C with customizable Gradient Factors
* Max Displayed Depth: 150 m / 492 ft
* Dive Modes: Air, Nitrox, Multigas, Bottom Timer
* Gas Capability: Up to 3 gases (21% - 99%)
* Logbook Memory: 100 hours of dive profiles
* Profile Sampling Rate: 5 seconds
* Battery Type: CR2450
* Alarms: Audio and Visual
* Connectivity: Bluetooth
* Gas Planning: Advanced Air management for multiple Nitrox mixes

Specifications

Manual

Technical specifications of Mares Puck 4

Features of Mares Puck 4

Color Black

Color

Black

Recommended Use Diving

Recommended Use

Diving

Features User-replaceable battery

Features

User-replaceable battery

Interface included

Interface included

Air management

Air management

Nitrox compatible

Nitrox compatible

Key differentiators

Features integrated Bluetooth for seamless data transfer to smart devices via the Mares app.

Includes a 100-hour logbook memory and a user-replaceable CR2450 battery.

Offers a large, high-contrast segmented display and intuitive single-button navigation.

Powered by the Bühlmann ZH-L16C algorithm with customizable gradient factors for personalized safety.

Supports Air, Nitrox, and Multigas modes, with capability for up to three gases (21-99% O2).

Technology in Mares Puck 4 dive computer

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Mares Puck 4 dive computer

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Include AI Generated questions and answers

2026-07-30

Generated by AI and verified

Mares Puck 4 dive computer

Is the battery on the Mares Puck 4 user-replaceable?

Answer of Generated by AI and verified

Yes, the Mares Puck 4 features a user-replaceable battery. This design allows you to easily swap the battery yourself, ensuring your dive computer is always ready for your next dive without needing professional service.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Mares Puck 4 dive computer

What dive modes are available on the Mares Puck 4?

Answer of Generated by AI and verified

The Mares Puck 4 is a versatile dive computer that supports multiple dive modes to suit various diving needs. It includes Air, Nitrox, Multigas, and a Bottom Timer mode.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Mares Puck 4 dive computer

What is the maximum depth rating for the Mares Puck 4?

Answer of Generated by AI and verified

The Mares Puck 4 is rated for a maximum depth of 150 meters (492 feet), making it suitable for a wide range of recreational and advanced diving activities.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Mares Puck 4 dive computer

How can I transfer my dive logs from the Puck 4 to my phone?

Answer of Generated by AI and verified

The Mares Puck 4 features integrated Bluetooth connectivity. You can wirelessly transfer your dive logs directly to your smart device by using the Mares app, which allows for easy tracking, analysis, and sharing of your dive data.

* Generated by AI based on customer and product data

2026-07-30

Generated by AI and verified

Mares Puck 4 dive computer

Is the Mares Puck 4 dive computer suitable for both beginners and experienced divers?

Answer of Generated by AI and verified

Yes, the Mares Puck 4 is designed to be intuitive for beginners while offering advanced features for experienced divers. Its user-friendly single-button interface simplifies operation, and the customizable Bühlmann ZH-L16C algorithm allows for personalized decompression profiles, catering to a wide range of diving skills and preferences.

* Generated by AI based on customer and product data

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Use cases

Recreational Diving with Nitrox 90% Fit

The Puck 4 is a versatile and reliable upgrade for regular divers, offering both Air and Nitrox modes. Its support for up to three gas mixes, including Nitrox up to 99%, provides enhanced functionality for extended bottom times on recreational dives.

Nitrox and Air dive modes,Multi-gas capability,User-replaceable battery

Multi-Gas Dive Planning and Execution 80% Fit

For divers progressing into more advanced profiles, the Puck 4 offers solid performance with its ability to manage up to three different gas mixes. This feature is ideal for planning and executing dives that may involve a travel gas, bottom gas, and a decompression gas.

Up to 3 gas capability (21% - 99%),Bühlmann ZH-L16C algorithm,Audio and Visual alarms

Dive Log Analysis and Sharing 90% Fit

The integrated Bluetooth connectivity allows for seamless transfer of dive data to a smart device. With a 100-hour logbook memory, committed divers can easily track, analyze, and share their dive profiles, making it a great tool for post-dive review and social sharing.

Bluetooth connectivity,100 hours logbook memory,5-second profile sampling rate

Deep Recreational and Light Technical Diving 85% Fit

With a maximum depth rating of 150 meters and the reliable Bühlmann ZH-L16C algorithm, the Puck 4 provides a solid performance envelope for divers exploring deeper recreational limits. The clear display and alarms ensure critical information is always accessible.

Max depth rating of 150 m / 492 ft,Bühlmann ZH-L16C algorithm,Larger segmented display

Use as a Backup or Bottom Timer 95% Fit

The dedicated 'Bottom Timer' mode makes the Puck 4 a versatile and reliable choice as a secondary device for technical divers or as a primary gauge. It provides essential depth and time information on a clear, easy-to-read display without decompression calculations.

Bottom Timer mode,Larger display,Audio and Visual alarms

Best for

Best for Data-Driven Divers

This computer is a great all-rounder for divers who want to track and analyze their performance, offering Bluetooth connectivity for easy data syncing and a generous logbook memory.

Based on: wireless_connectivity: Bluetooth, Logbook memory: 100 hours of dive profiles

Ideal for Advancing Hobbyists

A reliable upgrade for those expanding their skills, this computer supports multigas diving and features a larger, clear display for easy monitoring on new adventures.

Based on: dive_modes: Multigas, Display size: larger, Display type: segmented (crystal-clear segmented display)

A Solid Choice for Regular Diving

Offering versatile functionality with multiple dive modes and a user-replaceable battery, this computer provides balanced performance and long-term value for regular recreational dives.

Based on: dive_modes: Air, Nitrox, User replaceable battery: CR2450

Great for Versatile Dive Planning

With support for up to three gases and the proven Bühlmann ZH-L16C algorithm, this computer offers the enhanced functionality needed for complex dive planning.

Based on: gas_capability: Up to 3 gases (21% - 99%), Algorithm: Bühlmann ZH-L16C

Benefits

FunctionalSupports Multiple Gas Mixes for Advanced Dives

This dive computer accommodates a variety of diving styles with its multiple modes, including Air, Nitrox, and Multigas. With the ability to handle up to three different gases ranging from 21% to 99% oxygen, you can plan and execute more complex dive profiles with confidence.

Dive modes: Air

Nitrox

Multigas

Bottom Timer

Gas capability: Up to 3 gases (21% - 99%)

FunctionalStay Alert with Audio and Visual Alarms

Dive with greater peace of mind knowing you have a reliable system to keep you informed. The computer features both audio and visual alarms to alert you to critical information, helping you stay aware of your dive parameters and enhance your underwater safety.

Alarm function: Audio and Visual

Alarms: Audio and Visual

FunctionalSync Your Dive Logs Wirelessly via Bluetooth

Easily track and analyze your underwater adventures by connecting your dive computer to other devices. With built-in Bluetooth connectivity, you can wirelessly transfer your dive data for logging, sharing, and post-dive review.

Wireless connectivity: Bluetooth

Connectivity: Bluetooth

Logbook memory: 100 hours of dive profiles

FunctionalView Your Dive Data on a Large, Clear Display

Easily monitor your critical dive information at a glance, even in challenging underwater conditions. This computer features a larger, crystal-clear segmented display designed for superior readability, allowing you to focus more on your dive and less on your gear.

Display size: larger

FunctionalEasily Replace the Battery Yourself

Avoid downtime and service fees with a user-serviceable design. This dive computer allows you to replace the common CR2450 battery yourself, ensuring your gear is always ready for your next dive.

User replaceable battery: CR2450

Ideal buyer profiles

The Tech-Savvy Diving Enthusiast

This diver loves integrating technology into their hobbies. They appreciate gear that is not only functional but also offers modern connectivity to track, analyze, and share their underwater experiences.

The Mares Puck 4 meets their needs with its built-in Bluetooth connectivity, allowing for easy data transfer to a smart device. Support for up to three gases, including Nitrox up to 99%, offers the versatility they look for in advanced dive planning.

The Adventurous Hobbyist Diver

This diver explores a variety of dive sites and conditions, from local quarries to tropical reefs. They need a reliable, easy-to-use computer that can handle different types of recreational diving without being overly complex.

With its larger, crystal-clear segmented display and intuitive single-button interface, the Puck 4 is straightforward to operate underwater. It supports Air, Nitrox, and Multigas modes, making it adaptable for various recreational dives.

The Price-Sensitive Casual Diver

This individual dives a few times a year, perhaps on vacation, and wants a dependable dive computer that covers all the essential safety features without a high price tag. They value long-term, low-maintenance ownership.

The Puck 4 offers essential features like audio and visual alarms and multiple dive modes (Air, Nitrox) in an accessible package. The user-replaceable CR2450 battery is a key benefit, allowing them to avoid costly and time-consuming service center visits for a simple battery change, making it a practical choice for infrequent use.

Competitive features

When choosing a dive computer, it's essential to compare features that align with your diving style and needs. The Mares Puck 4 stands out with its user-friendly interface and modern connectivity features. We've analyzed it against several competitors, including models from Seac, Scubapro, and Aqualung, to help you understand where it fits in the market. Our comparison focuses on core functionality, connectivity, and overall value for different types of divers.

Where it excels

The Mares Puck 4 integrates Bluetooth for seamless syncing with the Mares app, allowing for easy dive log uploads and firmware updates—a modern convenience not explicitly mentioned for the compared models. It features a user-replaceable battery, offering convenience and ensuring the computer is always ready for a dive without needing professional service for a simple battery change. The inclusion of a decompression planner and a 100-dive logbook provides robust tools for planning and reviewing dives directly on the device. With its customizable Bühlmann ZH-L16C algorithm and multigas capability (including Nitrox), the Puck 4 offers advanced functionality that caters to divers looking to progress their skills.

Consider alternatives if...

Verdict

The Mares Puck 4 is a strong contender, offering a compelling blend of essential dive functions, advanced algorithms, and modern Bluetooth connectivity. Its single-button operation and clear segmented display make it highly user-friendly, while features like a user-replaceable battery and a detailed logbook add practical value. While the provided data doesn't allow for a deep comparison of all technical specifications against its rivals, the Puck 4's feature set, particularly its app integration and customizable algorithm, makes it a versatile and future-proof choice for a wide range of divers.

Specs comparison

Favorite On Favorite Off
Favorite On Favorite Off
Dive ModesAir, Nitrox, Multigas, Bottom TimerAir, Nitrox, Multigas, Bottom Timer-
Max Depth Rating150 m / 492 ft150 m / 492 ft-
User Replaceable BatteryCR2450CR2450true
Wireless ConnectivityBluetoothBluetooth-

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Alarm FunctionAudio and Visualcustomizable alarms for depth, time, hydration, ascent speed, and recovery timetrue-Visual and Audible AlarmsAudible and Visual Alarms - Diver Selectable
Dive ModesAir, Nitrox, Multigas, Bottom Timer-air, nitrox, gauge, freediveAir, Nitrox, Gauge, Free DiveAir, Nitrox, Gauge, Free DivingAir, Nitrox, Gauge
Max Depth Rating150 m / 492 ft150 m1 m120 meters (394 feet)120 meters (394 feet)suitable depth rating
User Replaceable BatteryCR2450YestrueUser-Replaceable CR2450YesYes
Wireless ConnectivityBluetooth----Wireless Sync
Display Sizelarger31 mm / 1 1/4 Inch-High-contrast LCDSegmented LCDPuck-Style
Battery TypeCR2450-CR2450User-replaceable CR2450user-replaceable batteryReplaceable CR2450 Battery
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