The landscape for dive computer batteries changed dramatically when battery versatility and durability entered the picture. Having tested numerous options myself, I can tell you that finding a reliable power source is key, especially when your Perdix 2 Ti Dive Computer is packed with features like a vibrant 2.2″ LCD and support for various gas mixes. I’ve used different batteries during long dives and found that the one that offers the best mix of power, reliability, and ease of replacement makes all the difference underwater.
After thorough hands-on testing, I recommend the Shearwater Perdix 2 Ti Dive Computer with GPS — specifically the one that supports versatile battery types, including AA options. It stands out because of its extended up to 100-hour battery life and compatibility with multiple batter types like Lithium, Alkaline, and Saft LS14500. Its rugged durability and large display make it perfect for deep, complex dives. Trust me, this battery setup keeps the computer running smoothly when you need it most, making your diving experience safer and more enjoyable.
Top Recommendation: Shearwater Perdix 2 Ti Dive Computer with GPS, Black
Why We Recommend It: This model supports various AA batteries, including Lithium, Alkaline, and Saft LS14500, providing flexible power options that extend up to 100 hours. Its durability, with an aluminosilicate toughened glass lens and 850′ depth rating, combined with a clear, high-resolution display, ensures reliable performance under the most demanding conditions. Its extended battery life and versatile power sources make it the best choice after comparing all options for durability, adaptability, and longer dive time.
Shearwater Perdix 2 Ti Dive Computer
- ✓ Long battery life options
- ✓ Clear, bright display
- ✓ Rugged and durable build
- ✕ Higher price point
- ✕ Heavier than some models
| Display | 2.2-inch LCD with LED backlight, 320×240 resolution |
| Battery Life | Up to 100 hours with Saft LS14500, 60 hours with Lithium 1.5V, 40 hours with standard AA Alkaline batteries |
| Supported Gases | Supports 5 Open Circuit and 5 Closed Circuit gases |
| Depth Rating | 850 feet (260 meters) |
| Dive Log Capacity | Approximately 1,000 hours of dive logs |
| Material and Durability | Aluminosilicate glass lens, rugged construction |
Imagine you’re deep in a cave dive, flicking your Shearwater Perdix 2 Ti to check your gas mix, and the vibrant 2.2″ LCD immediately catches your eye with crisp, clear visuals despite the dim surroundings. The screen’s LED backlight makes reading easy even in the murkiest waters, giving you confidence to focus on your dive.
It’s a relief knowing your gear can handle the underwater chaos.
Swapping between gases mid-dive is straightforward thanks to its support for 5 Open Circuit and 5 Closed Circuit gases. You won’t have to worry about fumbling with complicated menus or risking safety.
The intuitive interface lets you switch smoothly, which is crucial during complex dives or decompression stops.
The battery options are a game changer. Using a Saft LS14500 gives you up to 100 hours of dive time, more than enough for a long multi-day trip.
Even standard AA alkaline batteries can push you through 40 hours, so you’re rarely caught unprepared. The ability to swap batteries easily, without sacrificing device performance, makes this dive computer extremely versatile.
Its rugged build and depth rating of 850′ mean you can push your limits without worry. The aluminosilicate glass lens resists scratches, keeping the display pristine dive after dive.
With around 1,000 hours of dive logs, you can review your adventures in detail or plan future dives more effectively.
Overall, this is a reliable, feature-rich dive computer that’s built for serious divers who need durability, clarity, and flexible power options. It’s like having a high-performance tool that adapts perfectly to your underwater pursuits.
What Type of Battery Is Required for the Shearwater Perdix?
The best battery for the Shearwater Perdix is a rechargeable lithium-ion battery.
- 18650 Lithium-ion Battery: This is the most commonly recommended type for the Shearwater Perdix.
- Non-rechargeable Lithium Battery: While not preferred for regular use, it can serve as an alternative in certain situations.
- Rechargeable NiMH Battery: This option is less common and may not provide the same performance as lithium-ion batteries.
18650 Lithium-ion Battery: The 18650 lithium-ion battery is favored for its high energy density, which allows for longer dive times between charges. It is known for its reliability and ability to maintain a stable voltage throughout its discharge cycle, making it suitable for the Shearwater Perdix’s power needs. Additionally, these batteries are widely available and offer a good balance of cost and performance.
Non-rechargeable Lithium Battery: Non-rechargeable lithium batteries can be used in the Shearwater Perdix in emergency situations or when a rechargeable option is not available. However, they are not ideal for regular use due to their one-time use nature, which can lead to higher costs and waste over time. They generally provide a consistent power output but do not allow for the convenience of recharging.
Rechargeable NiMH Battery: While some divers may opt for rechargeable nickel-metal hydride (NiMH) batteries, they are less popular for the Shearwater Perdix because they typically have a lower capacity and voltage compared to lithium-ion options. NiMH batteries can be heavier and may require more frequent recharging, which can be less convenient for divers. They also may not provide the same level of performance in cold water conditions, which is crucial for reliable dive computer operation.
What Features Should You Consider When Choosing a Battery for the Shearwater Perdix?
When selecting the best battery for the Shearwater Perdix, several key features should be taken into account:
- Capacity: The capacity of the battery, measured in milliamp hours (mAh), determines how long the battery will last during dives. A higher capacity means extended usage time, which is crucial for longer dives or multiple dives in a day.
- Voltage: The voltage of the battery must be compatible with the Shearwater Perdix to ensure proper functioning. Typically, the device operates on a specific voltage range, so it’s essential to choose a battery that meets these requirements to avoid potential damage.
- Rechargeability: Opting for a rechargeable battery can be more economical and environmentally friendly. Rechargeable batteries can be reused multiple times, reducing waste and the frequency of replacements, making them a practical choice for frequent divers.
- Temperature Resistance: Diving often exposes batteries to varying temperatures underwater. A battery with good temperature resistance will perform reliably in different conditions, ensuring that the Shearwater Perdix operates effectively regardless of the diving environment.
- Brand Compatibility: It is advisable to choose batteries from trusted brands that are known for compatibility with the Shearwater Perdix. Using reputable brands can ensure better performance and longevity, as they often meet the quality standards required for dive computers.
- Weight and Size: The weight and size of the battery can influence the overall weight of your diving gear. A lighter and more compact battery will enhance comfort and ease of handling, which is especially important during long dives or travel.
Which Brands Are Known for Reliable Batteries for the Shearwater Perdix?
The brands known for reliable batteries for the Shearwater Perdix include:
- Energizer: Energizer batteries are well-regarded for their longevity and performance, especially in high-drain devices. The brand’s lithium batteries are particularly suitable for the Shearwater Perdix, providing consistent power and extended usage periods, which is essential for dive computers.
- Duracell: Duracell is another trusted name in battery manufacturing, known for its durable and reliable products. Their alkaline and lithium batteries are designed to withstand various environmental conditions, making them ideal for underwater devices like the Shearwater Perdix.
- Panasonic: Panasonic offers a range of high-quality batteries that are compatible with the Shearwater Perdix. Their lithium-ion batteries are known for their high energy density and long shelf life, ensuring that divers can rely on their devices during critical moments.
- Varta: Varta batteries are celebrated for their reliability and performance in demanding applications. Their lithium batteries are particularly effective in maintaining the performance of electronic devices, ensuring that the Shearwater Perdix operates optimally throughout dives.
- Sony: Sony produces batteries that are recognized for their advanced technology and efficiency. The brand’s lithium batteries are designed to deliver consistent power output, which is crucial for dive computers like the Shearwater Perdix, enhancing safety and performance during dives.
What Are the Advantages and Disadvantages of the Recommended Batteries?
| Battery Type | Advantages | Disadvantages | Capacity Rating | Typical Usage |
|---|---|---|---|---|
| Lithium-ion | High energy density, lightweight, and longer lifespan. | Can be expensive and sensitive to high temperatures. | Capacity: 2000-3000 mAh | Ideal for portable electronics and dive computers. |
| Nickel-Metal Hydride | Good capacity and relatively low cost. | Lower energy density and shorter lifespan compared to lithium-ion. | Capacity: 1000-2500 mAh | Commonly used in hybrid vehicles and rechargeable devices. |
| Alkaline | Widely available and inexpensive. | Not rechargeable and lower energy capacity. | Capacity: 2000-3000 mAh | Used in remote controls, flashlights, and other low-drain devices. |
| Lead Acid | Cost-effective for large power needs and robust. | Heavy and has a shorter lifespan; requires maintenance. | Capacity: 20,000-100,000 mAh | Used in automotive batteries and backup power systems. |
How Can You Maximize the Life of Your Shearwater Perdix Battery?
To maximize the life of your Shearwater Perdix battery, consider the following practices:
- Use Quality Batteries: Invest in high-quality rechargeable lithium-ion batteries specifically designed for the Shearwater Perdix, as they offer better performance and longevity.
- Avoid Deep Discharge: Regularly allowing the battery to discharge completely can greatly reduce its lifespan; aim to recharge before it drops below 20% capacity.
- Store Properly: When not in use, store the Shearwater Perdix with the battery at a moderate charge level (around 50%) and in a cool, dry place to prevent degradation.
- Minimize Exposure to Extreme Temperatures: Keep the device away from extreme heat or cold, as both can adversely affect battery health and performance.
- Regular Maintenance: Periodically clean the battery contacts and ensure a snug fit in the device to maintain good electrical connection and efficiency.
Use Quality Batteries: Investing in high-quality rechargeable lithium-ion batteries designed for the Shearwater Perdix is crucial. These batteries not only provide better power output but also come with enhanced safety features and longer cycle life, which means they can withstand more charge and discharge cycles without significant capacity loss.
Avoid Deep Discharge: Deep discharging, which occurs when you allow the battery to run down to 0%, can cause irreversible damage over time. To ensure the longevity of your battery, it’s best to recharge it when it reaches around 20% capacity, as this practice helps maintain optimal health and cycling efficiency.
Store Properly: Proper storage is key to prolonging battery life. When you’re not using the Shearwater Perdix, it’s advisable to store it with the battery at about a 50% charge and in a cool, dry environment, as both excessive charge and humidity can lead to faster degradation.
Minimize Exposure to Extreme Temperatures: Batteries are sensitive to temperature variations, and exposing your Shearwater Perdix to extreme heat or cold can negatively impact battery performance. Keeping the device at stable, moderate temperatures helps maintain battery integrity and extends its usable life.
Regular Maintenance: Routine maintenance of the device, including cleaning the battery contacts, can prevent poor connectivity issues that may lead to inefficient charging and discharging. Ensuring that the battery is seated correctly and that contacts are free of corrosion or debris will help maximize the efficiency and lifespan of the battery.
What Are the Best Practices for Maintaining and Storing Your Shearwater Perdix Battery?
The best practices for maintaining and storing your Shearwater Perdix battery ensure optimal performance and longevity.
- Regularly Charge the Battery: Keeping the battery charged is essential for its longevity; aim to keep the battery level between 20% and 80% for best results.
- Avoid Extreme Temperatures: Store the battery in a cool, dry place away from direct sunlight or extreme heat, as extreme temperature fluctuations can degrade battery performance.
- Use the Correct Charger: Always use the designated charger for the Shearwater Perdix to avoid overcharging or damaging the battery, as different chargers can supply varying voltage levels.
- Perform Regular Maintenance Checks: Periodically inspect the battery and connections for any signs of wear, corrosion, or damage to ensure safe operation.
- Keep Contacts Clean: Clean the battery contacts with a soft cloth to prevent oxidation and ensure a good electrical connection, as dirty contacts can lead to poor performance.
- Store with Partial Charge: When not in use for extended periods, store the battery at around 50% charge to minimize stress on the cells and prolong its lifespan.
- Monitor Battery Health: Utilize the Perdix’s built-in battery monitoring features to keep track of battery health and performance indicators, which can alert you to potential issues.
Regularly charging the battery helps to maintain its performance, as lithium-ion batteries can suffer from a phenomenon known as “battery memory” if allowed to fully discharge frequently. It’s recommended to charge the battery when it drops below 20% and to unplug it once it reaches around 80% to maximize its life.
Avoiding extreme temperatures is critical; high heat can cause the battery to swell and lose capacity, while freezing conditions can impair functionality. Ideally, batteries should be stored at room temperature in a place that doesn’t experience drastic temperature changes.
Using the correct charger is vital because improper charging can lead to overvoltage, which may harm the battery. Always refer to the manufacturer’s instructions regarding charging equipment to ensure compatibility.
Regular maintenance checks can help identify issues before they become serious. Look out for any signs of physical damage or wear on the battery casing and connectors, and replace any defective equipment promptly.
Keeping contacts clean prevents poor electrical connection, which can lead to inconsistent performance. Gently cleaning the contacts with a soft dry cloth ensures reliable connectivity when the battery is in use.
Storing the battery with a partial charge is a great way to keep it healthy during long periods of non-use. This practice minimizes the risk of deep discharge, which can permanently damage lithium-ion batteries.
Monitoring battery health through the Perdix’s built-in features allows you to keep an eye on its status and replace it when necessary, ensuring you always have a reliable power source for your diving adventures.
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