A sports dive computer for recreational diving, the Mares Dive Computer Puck 4 displays nitrox and multi-gas data on an 800-segment chip-on-glass screen and syncs logs via Bluetooth. The single-button interface and user-replaceable CR2450 battery reduce pre-dive stress and maintenance. Does a compact puck-style console suit club divers who need straightforward planning and easy log review?
⚡ At a Glance
- • Wearing Comfort: Compact puck shape with a removable strap, replaceable with elastic bands compatible with PUCK4 MISSION consoles
- • Best for: Recreational and club divers who need nitrox and multi-gas tracking with simple operation
- • Not ideal for: Users who require extensive on-device menus beyond single-button control
Nitrox and multi-blended gas support work alongside a decompression mode and depth gauge on an 800-segment chip-on-glass display. A 100-dive logbook syncs charts via Bluetooth to the MARES app, and the CR2450 battery is user-replaceable for straightforward upkeep.
Longer, searchable dive records - with a 100-dive logbook and Bluetooth syncing
Logbook memory stores up to 100 dives, including charts that transfer through the MARES app, while built-in Bluetooth supports connectivity for transfers, quoted with an autonomy of 100 immersions per connection.
Easily review and archive dive data on a phone, avoiding manual log entry and keeping dive history organised.
Flexible gas management - with nitrox and multi-blended three-gas display
Operates using a 6C algorithm with customisable air gradient factors, supports nitrox and a multi-blended function, and displays up to three gases on the depth gauge.
Tracks multiple gas mixes during a dive, making staged dives and nitrox use simpler to monitor and plan.
Simple, low-maintenance operation - with single-button control and user-replaceable battery
Designed for single-button electronic operation for intuitive use underwater, and powered by a CR2450 battery that users can replace themselves, delivering long-lasting autonomy.
Quick to operate during dives and easy to maintain between trips, reducing downtime and servicing needs.
✨ The 4 Key Reasons for Mares Dive Computer Puck 4
- Bluetooth connectivity - Syncs dive charts to the MARES app quickly and reliably.
- 100-dive logbook - Stores detailed records for frequent divers to review trips.
- User-replaceable CR2450 battery - Enables home battery swaps, reducing service downtime between trips.
- Up to three-gas display - Tracks multiple gas mixes for staged or nitrox-assisted dives.
📋 Technical Details at a Glance
- Display: 800-segment chip-on-glass technology
- Algorithm: 6C with customisable air gradient factors
- Gas support: Nitrox and multi-blended function
- Gas display: Up to three gases displayed on the depth gauge
- Decompression mode: Decompression mode with azzerable medium depth and dive planner chronometer with user-settable surface range decompression
❓ Frequently Asked Questions
Q: Does the dive computer support nitrox?
A: Yes, the unit supports nitrox and a multi-blended function, and can display up to three gases on the depth gauge.
Q: How many dives does the logbook hold?
A: The logbook memory stores up to 100 dives, including charts that can be transferred through the MARES app.
Q: Can the battery be replaced by the user?
A: Yes, the battery is a user-replaceable CR2450 cell, designed for long-lasting autonomy and straightforward swaps.
🏆 Our Verdict
Ideal for recreational and club divers who want straightforward nitrogen planning, reliable gas management and easy log syncing. The combination of nitrox and multi-blended gas support, Bluetooth transfer, and a user-replaceable CR2450 battery sets it apart for regular use. While cost considerations will vary, the durable, low-maintenance design suggests sensible long-term value for frequent divers.
