Mares Puck Lite review: The affordable Bluetooth dive computer for beginners.

To learn how to get the most out of your gear underwater, discover the [AquaExposure Training](/lms). ## 1. Introduction

The choice of a diver's first dive computer is often a pivotal moment in a diver's life. We look for simplicity, we hope for reliability, and inevitably, we consider the price. The Mares Puck Lite enters the market with a clear promise: to offer essential safety features, enhanced by modern connectivity, without breaking the bank. I have seen countless entry-level models come and go over the years, some too complex, others too limited. This model positions itself in a very specific niche: immediate accessibility. It doesn't aim to impress the technical diver, but rather appeals directly to those who want to get in the water with peace of mind. Let's analyze together what this small device truly offers, beyond its specifications.

Overall score: 3.3/5

Algorithm and Milestones

The decompression is handled by a modern engine, although it has been deliberately simplified to avoid overwhelming beginners with complex settings.

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The Puck Lite uses the Bühlmann ZH-L16C algorithm. Unlike the Puck 4, which allows users to freely adjust settings, it limits the user to two pre-set gradient factor options. However, it still provides all the essential functions for recreational safety with its ascent alerts.

Air and Mixed Gases

Designed specifically for recreational diving, it will not support advanced training that requires changes to decompression blocks.

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This is a single-gas computer. It manages air and Nitrox mixtures ranging from 21% to 50% oxygen, but does not allow for the configuration of a second gas. It does not support Trimix or wireless air pressure transmitters.

Screen and Ergonomics

Segmented displays remain a rustic standard. They offer excellent contrast in sunlight, but at the expense of the visual clarity offered by more advanced models.

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The LCD screen uses "chip-on-glass" technology with 800 segments of display. The interface is controlled entirely via a single button, which requires some getting used to with the system of "short clicks" and "long clicks," especially if you are diving with thick neoprene gloves.

Battery Life and Power Source

It's a classic format that guarantees you won't be caught off guard far from an electrical outlet on a cruise ship.

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Powered by a user-replaceable CR2450 button battery, Mares claims a lifespan of approximately 100 dives. The monochrome LCD screen, which consumes very little power, contributes to this longevity.

Connectivity and App

This is the real strength of this entry-level device: it connects to your phone instantly, without requiring you to purchase any additional accessories.

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The Bluetooth module is integrated as standard. It synchronizes directly with the Mares or SSI app to transfer your dive logbook (with a capacity of 100 dives) and perform software updates (firmware) easily.

Compass and Instruments

It focuses on its primary function of decompression calculation and leaves navigation to the good old-fashioned analog instruments.

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It does not have an electronic compass. However, it includes a traditional depth gauge mode in addition to the Air and Nitrox modes.

Robustness and Depth

Don't be fooled by its "Lite" designation, its casing can withstand pressure like a professional-grade model.

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The casing is certified for water resistance up to 150 meters. A very appreciated detail: the straps can be easily removed to accommodate a bungee cord attachment, which is very practical for use with a drysuit.

Price and Customer Support

By consistently positioning it below the €180-€200 price range, Mares offers one of the most affordable ways to get a computer equipped with native Bluetooth. The brand's customer service covers the entire European territory in a particularly effective manner.

Ideal profile: A beginner or recreational diver (Level 1) who wants a first set of equipment that is simple, affordable, and connected to their smartphone.

To avoid if: The diver wants to quickly progress to accelerated decompression using multiple gases (Confirmed Nitrox), the technical diving system, or someone who is looking for the comfort of a large color screen.

The issue of after-sales service is crucial when investing in security equipment. Regarding Mares, feedback is sometimes polarized. Some divers report quick exchanges within eight days, while others mention delays or some rigidity regarding shipping costs. The reseller plays a significant role in this process. Therefore, it's wise to go through a trusted store that will be able to support your case if needed.

The device is powered by a CR2450 button battery, a classic and reliable format. The main advantage lies in the ability to replace it yourself, a simple operation that ensures you will never be caught off guard far from a power outlet, especially on a cruise ship. Mares announces an autonomy of approximately one hundred dives, a longevity made possible by the very energy-efficient monochrome LCD screen.

To find out which battery to buy for this computer, check out our complete guide on batteries for dive computers. To learn how to change the battery yourself step by step without risking damage, read our complete tutorial on how to change your own battery.

If you are looking for a color screen or more advanced features from the same manufacturer, you can check out our review of the Mares Sirius or discover the Mares Quad Ci for integrated air management.

To compare this computer with other models, see our diving computer comparison tool.

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