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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, a compact, feature-packed dive computer. Featuring a customizable Bühlmann ZH-L16C algorithm, multigas capability, and a crystal-clear segmented display, it offers precision and safety. Plan dives with the decompression planner, track progress with the 100-dive logbook, and enjoy user-friendly single-button control. Integrated Bluetooth syncs seamlessly with the Mares app for effortless uploads and firmware updates. User-replaceable battery ensures readiness for your next adventure. Dive smarter, dive safer with the Puck 4

Elevate your underwater experience with the Mares Puck 4 dive computer, a feature-packed companion for divers seeking precision and convenience. Customize your dives with the Bühlmann ZH-L16C algorithm and adjustable gradient factors, ensuring a personalized and safe underwater journey. Adapt to various diving scenarios with versatile modes, multigas capability and crystal-clear displays. Practical tools like the decompression dive planner and user-friendly features, such as a digital logbook and intuitive controls, make every dive seamless. Enjoy a reliable, long-lasting device with a user-replaceable battery. The Puck 4 also has integrated Bluetooth. Dive confidently into the depths with the Mares Puck 4, where innovation meets adventure.

Connectivity:
- Built-in Bluetooth connects to the Mares app for effortless dive uploads, detailed logbook tracking, and automatic firmware updates.

Compact View:
- Compact View dive computers balance portability and readability, offering clear data on a mid-size screen without the bulk of larger models.

Safety Stop +:
- Safety Stop + offers an optional extended safety stop with countdown timer, promoting safer ascents, reducing decompression stress, and enhancing overall dive safety.

User-replaceable Battery:
- User-replaceable batteries allow quick, convenient changes anywhere, keeping your dive computer ready to use.

Features:

- Customizable Bühlmann ZH-L16C Algorithm: Tailor your dive with customizable gradient factors, providing a personalized and safe underwater experience
- Versatile Dive Modes: From air to nitrox and bottom timer, the Puck 4 adapts to your diving needs, offering flexibility for various dive profiles
- Multigas Capability: Dive confidently with the ability to use up to three gases, ensuring you´re prepared for diverse underwater environments
- Segmented Display Excellence: The crystal-clear segment display, created with chip-on-glass technology and boasting 800 segments, ensures you stay informed with a quick glance
- Functional Bottom Timer: Utilize the bottom timer mode with a resettable average depth and stopwatch, adding practicality to your dive experience
- Decompression Dive Planner: Plan your dives with precision using the decompression dive planner, allowing user-adjustable surface intervals for safer underwater excursions.
- Digital Logbook: Keep track of your underwater journeys with a logbook capacity of 100 dives, complete with graphs accessible via the Mares app for comprehensive post-dive analysis
- Long Battery Life: The user-replaceable CR 2450 battery ensures a reliable power source, with a lifespan of up to 100 dives
- Seamless Connectivity: Integrated Bluetooth enables direct connection to your smart device, facilitating easy data transfer and analysis via the Mares app.
- Intuitive Single-Button Control: Navigate effortlessly with a single button, providing a user-friendly interface for hassle-free operation
- Adaptable Straps: Customize your experience by easily removing and replacing straps with a bungee for added comfort and flexibility
- Mission Console Compatibility: Connect seamlessly with the Mission Console for a comprehensive dive data overview
- Effortless Firmware Updates: Keep your dive computer up-to-date with firmware updates conveniently delivered through the Mares app

Specifications:

Facts:
- Battery type: CR2450
- Battery duration: 100 hours dive time
- Nitrox use: EAN from 21% to 99%
- Max. displayed depth: 150 m / 492 ft
- Ascent rate indicator (m/min - ft/min): yes
- Memory capacity: 100 hr
- Profile Sampling Rates: 5 s
- Display: Segment Display
- Gas switching: yes
- Plan Mode: yes
- Choice of Metric / Imperial units: yes
- Fresh and Seawater Settings: yes
- Residual Nitrogen Reset: yes
- Option To Exclude Audible Alarms: yes
- Exclusion of ´´Uncontrolled Ascent´´: yes
- Altitude Adjustment: yes
- Logbook Memory: 100 dives
- Display material: Mineral glass
- Upgradeable software: yes

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

    Blue

Features of Mares Puck 4

Color Blue

Color

Blue

Key differentiators

Clear segment display and intuitive single-button control for easy operation.

Features a customizable Bühlmann ZH-L16C algorithm with adjustable gradient factors.

Integrated Bluetooth for seamless connection to the Mares app for logbook uploads and firmware updates.

Supports multigas capability for up to three gases (Nitrox from 21% to 99%).

User-replaceable CR 2450 battery with a life of up to 100 hours of dive time.

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

2026-06-27

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 conveniently 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

2026-06-27

Generated by AI and verified

Mares Puck 4 dive computer

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

Answer of Generated by AI and verified

The Mares Puck 4 has a maximum depth rating of 150 meters (492 feet). This makes it suitable for a wide range of recreational and advanced diving activities.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Mares Puck 4 dive computer

What is the battery life of the Mares Puck 4?

Answer of Generated by AI and verified

The Mares Puck 4 offers a battery life of up to 100 hours of dive time, providing reliability for multiple dives and extended trips.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Mares Puck 4 dive computer

What material is the display made of?

Answer of Generated by AI and verified

The display of the Mares Puck 4 is made from mineral glass, which provides clarity and durability for underwater use.

* Generated by AI based on customer and product data

2026-06-27

Generated by AI and verified

Mares Puck 4 dive computer

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

Answer of Generated by AI and verified

The Mares Puck 4 is equipped with integrated Bluetooth. You can wirelessly connect the dive computer to the Mares app on your smartphone or tablet to effortlessly upload your dive logs, track your progress, and manage firmware updates.

* Generated by AI based on customer and product data

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Use cases

Recreational Diving with Air or Nitrox 100% Fit

The Mares Puck 4 is a versatile and reliable upgrade for recreational divers. It supports both standard air and enriched air nitrox (up to 99%), making it a great all-rounder for common dive scenarios.

Air and Nitrox dive modes,EAN use from 21% to 99%,User-replaceable battery

Multi-Gas Technical Diving 80% Fit

For divers progressing into more advanced profiles, this computer offers solid performance with its ability to manage up to three gases, including high-oxygen mixes for accelerated decompression. It's a feature-rich option for planning and executing multi-gas dives.

Multigas capability (up to three gases),Gas switching,Bühlmann ZH-L16C algorithm

Dive Log Analysis and Sharing 90% Fit

This computer provides enhanced functionality for post-dive analysis. With built-in Bluetooth, you can seamlessly transfer your dive data, including profiles with 5-second sampling rates, to the Mares app for detailed review and sharing.

Built-in Bluetooth connectivity,100-dive logbook memory,5-second profile sampling rate

Use as a Backup Bottom Timer 80% Fit

With its dedicated bottom timer mode and clear segment display, the Puck 4 serves as a reliable backup instrument for technical divers. Its robust depth rating of 150 meters ensures it can handle demanding dive profiles.

Bottom timer mode,Max depth rating of 150 m / 492 ft,Segment display

High-Altitude Diving 70% Fit

For those who dive in mountain lakes or other high-altitude locations, this computer's functionality includes automatic altitude adjustment. This ensures the Bühlmann ZH-L16C algorithm provides accurate decompression calculations for these specialized environments.

Altitude adjustment,Bühlmann ZH-L16C algorithm,Fresh and seawater settings

Best for

Best for Data-Driven Divers

With built-in Bluetooth for connecting to the Mares app and upgradeable software, you can easily manage your dive logs and keep your device current.

Based on: wireless_connectivity: Bluetooth, Connectivity: Built-in Bluetooth connects to the Mares app, Upgradeable software: yes

Ideal for Versatile Hobby Divers

This computer supports Air, Nitrox, and multigas diving, features a decompression planner, and has settings for both fresh and seawater, making it a great all-rounder.

Based on: dive_modes: air, nitrox, bottom timer, Multigas capability: up to three gases, Fresh and seawater settings: yes

Great for Advancing Divers

Offering multigas capability and a robust Bühlmann ZH-L16C algorithm, this computer provides the enhanced functionality needed to expand your diving skills.

Based on: multigas_capability: up to three gases, Algorithm: Bühlmann ZH-L16C, Gas switching: yes

A Solid Choice for Regular Diving

The intuitive single-button control, clear segment display, and user-replaceable battery provide a reliable and easy-to-manage experience for frequent diving.

Based on: control_type: single-button control, Display: Segment Display, User replaceable battery: yes

Benefits

FunctionalEasily Sync and Share Your Dives

With built-in Bluetooth, you can seamlessly connect your dive computer to the Mares app. This allows for easy logging of your dives, post-dive analysis, and sharing your underwater adventures with others.

FunctionalNavigate Your Dive Data with a Single Button

Designed for simplicity and ease of use, this dive computer features intuitive single-button control. This allows you to access all its functions and data effortlessly, even while wearing gloves, making it ideal for new and experienced divers alike.

FunctionalReplace the Battery Yourself and Dive On

This dive computer is designed with a user-replaceable battery, eliminating the need for professional service and minimizing downtime. You can quickly swap the standard CR 2450 battery yourself, ensuring you're always ready for your next dive.

FunctionalDive with Confidence Thanks to Integrated Safety Alerts

Prioritizing your safety, this computer includes critical features like an ascent rate indicator and an optional extended safety stop with a countdown timer. These tools help you manage your dive profile carefully and ascend safely.

Ideal buyer profiles

The Tech-Savvy Diving Enthusiast

This diver loves to track, analyze, and share their dive data. They value modern features like wireless connectivity and the ability to manage their dive logs digitally on their smartphone or computer.

The Mares Puck 4 is an excellent match due to its built-in Bluetooth connectivity, which seamlessly syncs with the Mares app. This allows for easy logbook management of up to 100 dives, and the software is upgradeable, ensuring the device stays current.

The Adventurous Hobbyist Diver

This individual dives regularly for recreation and is looking to expand their skills. They need a reliable, feature-rich computer that can grow with them as they explore nitrox or multi-gas diving without being overly complex.

With support for up to three gases (including nitrox up to 99%) and the reputable Bühlmann ZH-L16C algorithm, the Puck 4 offers advanced capabilities in an accessible package. Its single-button control and clear segment display make it straightforward to operate during a dive.

The Price-Sensitive Casual Diver

This diver enjoys occasional underwater exploration and wants a dependable, easy-to-use dive computer that covers all the essential safety functions without a high price tag. They prioritize reliability and low maintenance over advanced technical features.

The Puck 4 provides essential dive modes like Air and Nitrox, clear ascent rate indicators, and a user-replaceable battery that lasts for up to 100 dives, minimizing long-term costs. Its intuitive single-button interface makes it a great choice for divers who want a straightforward, reliable device.

Competitive features

When comparing the Mares Puck 4 to other dive computers in its class, such as the Seac Action and Aqualung i100, it stands out for its combination of advanced features and a competitive price point. While many competitors offer core dive functionalities, the Puck 4 provides a customizable Bühlmann ZH-L16C algorithm, multigas capability, and integrated Bluetooth for seamless syncing with the Mares app. These features, often found in more expensive models, make it a compelling option for divers seeking comprehensive functionality without a significant investment.

Where it excels

The Puck 4 excels with its customizable Bühlmann ZH-L16C algorithm and adjustable gradient factors, offering a level of personalization that enhances safety for divers who want to tailor their decompression profiles. Integrated Bluetooth connectivity is a significant advantage, allowing for effortless dive log uploads and firmware updates via the Mares app, a convenience not always standard in this category. It supports multiple dive modes and has multigas capability, providing versatility for divers who may want to explore different types of diving as their skills progress.

Consider alternatives if...

Verdict

The Mares Puck 4 is an excellent dive computer that delivers a rich feature set at an accessible price. Its blend of a customizable algorithm, multigas support, Bluetooth connectivity, and user-friendly single-button operation makes it a powerful tool for both new and experienced divers. With a user-replaceable battery and a robust 100-dive logbook, it's built for convenience and longevity. For divers who value advanced functionality, personalization, and easy data management, the Puck 4 represents a smart and capable choice.

Specs comparison

Battery Life100 hours dive time200-300 hours of diving
Dive Modesair, nitrox, bottom timerAir, Nitrox, Multigas Nitrox, Freedive, Bottom Timer
Max Depth Rating150 m / 492 ft100m / 328 ft
User Replaceable BatteryyesCR2450
Water Resistance150 m / 492 ft100m
Wireless ConnectivityBluetoothBluetooth
Display Sizesegment displaySegment Display
Battery TypeCR2450CR2450

Specs vs competitors

MaterialMineral glassstainless steelMineral Glass---
Battery Life100 hours dive timelongApprox. 200 Hours Of Diving Over A 2 Year Time SpanUser-replaceable CR2450Up to 2 yearsReplaceable CR2450 Battery
Dive Modesair, nitrox, bottom timerAir, Nitrox, Gauge (Profondimeter), Apnea-Air, Nitrox, Gauge, Free DiveAir, Nitrox, Gauge, Free DivingAir, Nitrox, Gauge
Max Depth Rating150 m / 492 ft-150 m120 meters (394 feet)120 meters (394 feet)suitable depth rating
User Replaceable BatteryyesUser-replaceable batteryYesUser-Replaceable CR2450YesYes
Water Resistance150 m / 492 ft-150 m120 Meters--
Wireless ConnectivityBluetoothOptional Bluetooth connection---Wireless Sync
Display Sizesegment displayhigh-visibility UFDS screen31 mm / 1 1/4 InchHigh-contrast LCDSegmented LCDPuck-Style
Battery TypeCR2450User-replaceable Batteries-User-replaceable CR2450user-replaceable batteryReplaceable CR2450 Battery
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