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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

  • Display Type

    Segment Display

  • Wireless Connectivity

    Bluetooth

  • Battery Life

    100 Hours Dive Time

  • Battery Type

    CR2450

  • Water Resistance Rating

    150 m / 492 ft

  • Color

    Black

  • Recommended Use

    Diving

  • Features

    User-replaceable battery

  • Features

    Interface included

  • Features

    Air management

  • Features

    Nitrox compatible

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

Large, high-contrast segmented display for superior readability

Powered by the Bühlmann ZH-L16C algorithm with customizable gradient factors

Seamless Bluetooth connectivity for easy dive log syncing with the Mares app

User-replaceable CR2450 battery and upgradeable firmware for long-term use

Versatile dive modes including Air, Nitrox, Multigas, and Bottom Timer

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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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

What makes the Mares Puck 4 a good choice for divers?

Answer of Generated by AI and verified

The Mares Puck 4 is a versatile dive computer suitable for both new and experienced divers. It features a large, clear segmented display for excellent readability and an intuitive single-button interface. Its core functionality is powered by the Bühlmann ZH-L16C algorithm, and it supports multiple dive modes including Air, Nitrox, and Multigas.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

Can I log my dives wirelessly with the Puck 4?

Answer of Generated by AI and verified

Yes, the Mares Puck 4 features integrated Bluetooth connectivity. This allows you to wirelessly download your dive logs directly to a smart device using the Mares app, making it easy to track and share your diving experiences without needing extra cables.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

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

Answer of Generated by AI and verified

Yes, the Mares Puck 4 is designed with a user-replaceable CR2450 battery. This feature allows you to easily change 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

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

Is the Mares Puck 4 Dive Computer worth the investment for tech-savvy divers?

Answer of Generated by AI and verified

The Mares Puck 4 Dive Computer offers advanced features like Bluetooth connectivity and the Bühlmann ZH-L16C algorithm, making it a valuable tool for tech-savvy divers seeking a reliable and modern dive companion.

* Generated by AI based on customer and product data

2026-09-24

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 supports several dive modes to suit different types of diving. The available modes are Air, Nitrox, Multigas, and Bottom Timer.

* Generated by AI based on customer and product data

2026-09-24

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 has a maximum depth rating of 150 meters (492 feet), making it suitable for a wide range of recreational and technical diving activities.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

What type of battery does the Mares Puck 4 use?

Answer of Generated by AI and verified

This dive computer uses a CR2450 lithium coin battery. It is designed to be user-replaceable, adding to its convenience.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

How much dive data can the Mares Puck 4 store?

Answer of Generated by AI and verified

The logbook on the Mares Puck 4 has memory for up to 100 hours of dive profiles, with a sampling rate of every 5 seconds.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

What decompression algorithm does the Puck 4 use?

Answer of Generated by AI and verified

The Mares Puck 4 is powered by the Bühlmann ZH-L16C algorithm, which includes adjustable gradient factors to allow for personalized decompression profiles.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

Is the Mares Puck 4 suitable for a beginner diver?

Answer of Generated by AI and verified

Yes, the Mares Puck 4 is an excellent choice for divers of all levels, including beginners. Its intuitive, single-button interface and large, easy-to-read display make it very user-friendly for those new to diving.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

Can I use the Mares Puck 4 for diving with Nitrox?

Answer of Generated by AI and verified

Absolutely. The Mares Puck 4 supports both Nitrox and Multigas diving, allowing you to program up to three different gas mixes from 21% to 99% oxygen.

* Generated by AI based on customer and product data

2026-09-24

Generated by AI and verified

Mares Puck 4 dive computer

How does the Mares Puck 4 compare to the Sherwood Scuba Logic dive computer?

Answer of Generated by AI and verified

Both the Mares Puck 4 and the Sherwood Scuba Logic use a user-replaceable CR2450 battery. The Mares Puck 4 stands out with its integrated Bluetooth for wireless log transfers and its support for multiple gas mixes (Air, Nitrox, Multigas). It also has a maximum depth rating of 150 meters.

* Generated by AI based on customer and product data

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Use cases

Recreational Diving with Nitrox 90% Fit

This computer is a great all-rounder for recreational divers looking for a reliable upgrade. It supports both standard air and nitrox mixes, making it a versatile choice for common dive profiles.

Air and Nitrox dive modes,Bühlmann ZH-L16C algorithm,Max depth rating of 150 m

Multi-Gas Technical Diving 80% Fit

For divers advancing into technical diving, this computer offers enhanced functionality with its multigas capabilities. It can manage up to three different gas mixes, providing a solid performance for more complex dive planning.

Multigas capability (up to 3 gases),Bühlmann ZH-L16C algorithm,150 m depth rating

Dive Log Analysis and Sharing 90% Fit

With built-in Bluetooth connectivity, this computer is ideal for tech-savvy divers who want to analyze their performance. You can easily transfer up to 100 hours of dive profiles to another device for detailed review and sharing.

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

Dive Travel and Self-Sufficient Diving 95% Fit

This computer is a reliable upgrade for dive travelers. The user-replaceable CR2450 battery means you can easily swap it out on a trip without needing specialized service, ensuring your gear is always ready.

User-replaceable CR2450 battery,Wrist-mounted design,Audio and visual alarms

Use as a Backup Dive Gauge 80% Fit

The dedicated Bottom Timer mode makes this a versatile and reliable option to use as a secondary device or backup gauge. It provides essential depth and time information on a large, clear segmented display.

Bottom Timer mode,Large, segmented display,150 m depth rating

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 to easily sync up to 100 hours of dive profiles.

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

A Reliable Upgrade for Regular Divers

With versatile dive modes including Multigas and Nitrox, plus a generous 150m depth rating, this is a solid performance upgrade for those who dive regularly and want enhanced functionality.

Based on: dive_modes: Air, Nitrox, Multigas, Bottom Timer, Max depth rating: 150 m / 492 ft

Great All-Rounder for Casual Diving

Offering a feature-rich experience with a large, clear display and user-replaceable battery, this computer provides balanced performance and excellent value for recreational divers.

Based on: display_size: larger, User replaceable battery: CR2450

Ideal for Multi-Gas Technical Diving

This computer supports up to three gases and utilizes the Bühlmann ZH-L16C algorithm, making it a trustworthy companion for technical dives requiring multiple gas mixes.

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

Benefits

FunctionalSupports Multiple Dive Scenarios

This dive computer accommodates a range of diving activities with its multiple modes, including Air, Nitrox, and Multigas. Its ability to handle up to three different gases allows for more advanced dive planning and execution, making it a versatile tool for various underwater adventures.

Dive modes: Air

Nitrox

Multigas

Bottom Timer

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

FunctionalView Your Dive Data with Ease

The computer features a larger, crystal-clear segmented display, ensuring that crucial dive information is easy to read at a glance. This enhanced visibility helps you monitor your status effortlessly throughout your dive.

Display size: larger

FunctionalEasily Review and Share Your Dives

With built-in Bluetooth connectivity, you can wirelessly transfer your dive data to other devices. This makes it simple to log your dives, analyze your profiles, and share your underwater experiences with others.

Wireless connectivity: Bluetooth

Connectivity: Bluetooth

Logbook memory: 100 hours of dive profiles

FunctionalStay Alert with Audio and Visual Alarms

The integrated alarm function provides both audio and visual alerts to keep you informed of important dive parameters. This feature helps you stay aware of your situation, contributing to a safer dive experience.

Alarm function: Audio and Visual

Alarms: Audio and Visual

FunctionalReplace Your Own Battery with Ease

Designed for convenience, this dive computer features a user-replaceable CR2450 battery. This allows you to quickly and easily swap out the battery yourself, minimizing downtime and avoiding the need for service center visits.

User replaceable battery: CR2450

Ideal buyer profiles

The Tech-Savvy Diving Enthusiast

This diver is passionate about tracking and analyzing their dive data. They appreciate modern features and the ability to seamlessly connect their gear to other devices for logging and sharing their underwater experiences.

The Mares Puck 4 is an excellent match, featuring Bluetooth connectivity for easy data syncing and a logbook that stores up to 100 hours of dive profiles. Its capability to handle up to three gases, including Nitrox up to 99%, and the reliable Bühlmann ZH-L16C algorithm cater to their technical demands.

The Adventurous Hobbyist Diver

This individual dives regularly for recreation and exploration. They seek a reliable, straightforward dive computer that offers essential features for safety and enjoyment without being overly complex.

With its larger, crystal-clear segmented display and both audio and visual alarms, the Puck 4 provides crucial information at a glance. The versatile dive modes (Air, Nitrox, Multigas, Bottom Timer) and user-replaceable battery make it a practical and dependable companion for numerous underwater adventures.

The Price-Sensitive Casual Diver

This diver enjoys occasional diving, perhaps on vacations, and wants a functional, no-fuss dive computer that covers all the basics without a high-end price tag. They prioritize reliability and ease of use over advanced technical features.

The Puck 4 delivers essential functionality, including Air and Nitrox modes and a clear display, making it a great value. The user-replaceable CR2450 battery helps keep long-term ownership costs down, providing a reliable and accessible option for the casual diver.

Competitive features

When choosing a dive computer, divers weigh functionality, connectivity, and ease of use. The Mares Puck 4 stands out with its modern features, including Bluetooth for seamless dive logging. We've compared it against other popular models like the Seac Computer Apnea Hr, Scubapro Aladin One Matrix, and Aqualung I100 to help you see how it fits into the current market.

Where it excels

The Mares Puck 4 offers modern connectivity with built-in Bluetooth, allowing divers to effortlessly log and share their dives via the Mares app—a feature not specified for the compared models. It provides versatile dive planning with Air, Nitrox, and Multigas modes, powered by the adaptable Bühlmann ZH-L16C algorithm with customizable gradient factors for personalized safety. Designed for convenience, it features an intuitive single-button interface and a user-replaceable battery, making it a practical and reliable choice for long-term use.

Consider alternatives if...

Verdict

The Mares Puck 4 Dive Computer is an excellent choice for the modern diver who values seamless integration with smart devices. Its combination of a large, clear display, Bluetooth connectivity, and multiple dive modes makes it a highly functional and user-friendly device. While the provided data shows it is competitively priced among its peers, its key differentiator is the smart connectivity and user-centric design, including a user-replaceable battery and upgradeable firmware.

Specs comparison

Specs vs competitors

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Alarm FunctionAudio and VisualYescustomizable alarms for depth, time, hydration, ascent speed, and recovery timeYes-Audible and Visual Alarms - Diver Selectable
Dive ModesAir, Nitrox, Multigas, Bottom TimerAir, Nitrox, Gauge (Profondimeter), Apnea-air, nitrox, gauge, freediveAir, Nitrox, Gauge, Free DiveAir, Nitrox, Gauge
Max Depth Rating150 m / 492 ft-150 m1 m120 meters (394 feet)suitable depth rating
User Replaceable BatteryCR2450User-replaceable batteryYesYesUser-Replaceable CR2450Yes
Wireless ConnectivityBluetoothOptional Bluetooth connection---Wireless Sync
Display Sizelargerhigh-visibility UFDS screen31 mm / 1 1/4 Inch-High-contrast LCDPuck-Style
Battery TypeCR2450User-replaceable Batteries-CR2450User-replaceable CR2450Replaceable CR2450 Battery
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