Everstart 29Dc Maxx

As someone who’s spent countless weekends on the water and even more hours researching marine batteries, I’ve learned that choosing the right battery can make or break your boating experience. Three months ago, I finally bit the bullet and replaced my aging battery with the Everstart 29DC Maxx, and I’m kicking myself for not doing it sooner.

Let me take you through everything I’ve discovered about this popular battery option, from specs and performance to real-world applications and maintenance tips. Whether you’re a weekend warrior or a serious angler, this comprehensive guide will help you determine if the Everstart 29DC Maxx is the right choice for your needs.

My Journey to Finding the Perfect Marine Battery

Before diving into the nitty-gritty details, let me share a quick story. Last summer, I found myself stranded on my favorite fishing spot when my old battery decided to give up the ghost. After being towed back to shore (an experience I hope to never repeat), I promised myself I’d invest in a reliable battery that wouldn’t leave me high and dry again.

After weeks of research and talking to fellow boaters, the Everstart 29DC Maxx kept coming up in conversations. So here we are—three months, dozens of fishing trips, and one battery replacement later. Was it worth it? Let’s find out.

Understanding the Everstart 29DC Maxx: Specifications and Features

When it comes to marine batteries, specifications matter—a lot. The Everstart 29DC Maxx is designed to handle the unique demands of marine applications, and its specs reflect that purpose.

Key Technical Specifications

The Everstart 29DC Maxx is a Group 29 battery, which refers to its physical size dimensions. This is larger than the common Group 24 or 27 batteries, offering more power capacity. Here are the key specs:

• Cold Cranking Amps (CCA): 750 CCA
• Marine Cranking Amps (MCA): 950 MCA
• Reserve Capacity: Approximately 160 minutes
• Amp-Hour (Ah) Rating: Roughly 105-115 Ah (varies slightly by batch)
• Voltage: 12V (standard)
• Weight: Approximately 60-65 pounds
• Dimensions: Length: 13″, Width: 6.8″, Height: 9.4″

The 750 CCA rating is particularly impressive, especially if you’re boating in colder regions. This rating means the battery can deliver 750 amperes of current at 0°F for 30 seconds while maintaining at least 7.2 volts. In plain English, it has plenty of starting power even in frigid conditions.

Dual-Purpose Design: The Best of Both Worlds?

One of the most common questions about the Everstart 29DC Maxx is whether it’s a starting battery, a deep-cycle battery, or both. The answer? It’s a dual-purpose battery, designed to handle both starting applications and deep cycling.

Traditional starting batteries are designed to deliver quick, high-current bursts to start engines but aren’t meant to be deeply discharged. Deep-cycle batteries, on the other hand, provide steady power over longer periods and can handle repeated deep discharges.

The 29DC Maxx attempts to bridge this gap with a hybrid design. While it doesn’t excel at either function to the degree of a specialized battery, it performs admirably in both roles. This makes it an excellent choice for boaters who need a single battery solution for both starting their engine and powering electronics or trolling motors.

I’ve found that this dual-purpose nature is perfect for my 18-foot bass boat. I use it to start my 115 HP outboard and run my fishfinder, GPS, and occasionally my trolling motor when I’m feeling lazy. For more serious trolling motor applications, however, you might want to consider a dedicated deep-cycle battery or adding a second battery to your setup.

Real-World Performance: How Long Does It Last?

Battery lifespan is typically measured in two ways: cycle life (how many charge/discharge cycles it can handle) and calendar life (how many years it will last). Let’s break down both aspects for the Everstart 29DC Maxx.

Cycle Life and Daily Performance

Based on my experience and feedback from other users, the Everstart 29DC Maxx offers:

• Starting Performance: Excellent starting reliability, even after sitting unused for a couple of weeks
• Deep-Cycle Usage: When used as a trolling motor battery, expect about 4-6 hours of continuous use on a medium setting with a 55-pound thrust trolling motor
• Electronics Support: Can easily power fishfinders, GPS units, radios, and lights for a full day of fishing without significant voltage drop

One weekend last month, I ran my fishfinder, GPS, and occasionally my trolling motor for about 8 hours on a single charge, and the battery still had plenty of juice left to start the outboard for the ride home. That’s the kind of performance that gives you peace of mind on the water.

Calendar Life: Years of Service

Most users report getting 3-5 years of reliable service from the Everstart 29DC Maxx when properly maintained. This is quite respectable for a marine battery in this price range, especially considering the harsh conditions these batteries often endure.

Factors that can affect the lifespan include:

• Usage patterns: Frequent deep discharges will shorten lifespan
• Charging practices: Using a proper marine battery charger helps extend life
• Temperature exposure: Extreme heat or cold can reduce battery life
• Maintenance: Regular checks and proper winter storage make a difference

I’m only three months in with my battery, so I can’t personally vouch for its long-term durability yet. However, I’ve spoken with several marina operators and fishing guides who swear by these batteries and typically get at least four seasons out of them before replacement becomes necessary.

Pricing and Availability: Where to Buy and What to Expect

Cost Considerations

The Everstart 29DC Maxx is positioned as a mid-range marine battery, offering a good balance between performance and price. As of my latest purchase, the typical price range is:

• Regular Price: $115-130
• Sale Price: Sometimes drops to $100-110 during seasonal promotions
• Core Charge: Most retailers charge a refundable core deposit of $10-15 if you don’t have an old battery to exchange

Compared to premium options like Optima or ODYSSEY, which can run $250+ for equivalent models, the Everstart offers considerable value. On the other hand, it typically outperforms the bargain-basement options that you might find for $80-90.

Where to Purchase

The Everstart battery line is Walmart’s house brand for automotive and marine batteries, so Walmart stores and Walmart.com are the primary retailers. This exclusivity has both advantages and disadvantages:

Advantages:

• Widespread availability (nearly any Walmart with an automotive department)
• Consistent pricing nationwide
• Easy warranty claims through any Walmart location

Disadvantages:

• Limited to Walmart’s inventory and stock levels
• No ability to shop around for better deals
• Sometimes out of stock during peak boating season

I purchased mine in-store, which I’d recommend over online ordering for batteries. This allows you to check the manufacturing date (printed on the battery) to ensure you’re getting a fresh unit. Ideally, you want a battery manufactured within the last six months.

Warranty Protection: What’s Covered and For How Long

The warranty on the Everstart 29DC Maxx is one of its strong selling points. It comes with:

• Free replacement period: 1 year from date of purchase
• Prorated warranty period: Additional 1-2 years depending on the specific model

During the free replacement period, if the battery fails due to defects in materials or workmanship, Walmart will replace it at no cost. During the prorated period, you’ll receive a discount on a replacement battery based on how long you’ve owned it.

To make a warranty claim, you’ll need:

• Original receipt (keep this somewhere safe!)
• The battery itself
• Patience for a simple load test at the automotive counter

I haven’t had to use the warranty yet (thankfully), but I’ve witnessed the process while waiting at the automotive counter, and it seemed relatively straightforward. The staff tested the customer’s battery, confirmed it was defective, and processed a replacement on the spot.

One important caveat: the warranty typically doesn’t cover batteries that have been deeply discharged, damaged by improper charging, or physically damaged. Normal wear and tear from typical use is covered, but abuse isn’t.

Powering a Trolling Motor: Is the 29DC Maxx Up to the Task?

Many potential buyers wonder if the Everstart 29DC Maxx can effectively power a trolling motor. The answer depends on your specific trolling motor and usage patterns.

Trolling Motor Compatibility

Based on its capacity, the Everstart 29DC Maxx can handle:

• Up to 55-pound thrust trolling motors: Good performance for 4-6 hours on medium settings
• Higher thrust motors (70+ pounds): Will work but with reduced runtime, typically 2-4 hours
• 24V or 36V trolling motor systems: Will require multiple batteries connected in series

For my 55-pound thrust Minn Kota, the 29DC Maxx provides about 5 hours of runtime at setting 3 (out of 5). That’s plenty for a day of bass fishing where I’m not constantly on the trolling motor.

Real-World Trolling Experience

Last month, I spent a full day chasing crappie around a 500-acre lake, primarily using my trolling motor to maintain position and make small movements between fishing spots. I ran the motor almost continuously for about 7 hours at low to medium settings. By the end of the day, the battery was definitely depleted but not completely dead—it still started my outboard without issue.

That said, if you’re planning to run a high-thrust trolling motor all day at higher settings, you might want to consider:

1. Using two 29DC Maxx batteries in parallel to extend runtime
2. Opting for a dedicated deep-cycle battery with higher amp-hour ratings
3. Bringing a portable battery charger for midday recharging during lunch breaks

For weekend warriors and casual anglers, a single 29DC Maxx should be sufficient for trolling motor applications. Serious tournament anglers might want more capacity or dedicated trolling motor batteries.

Charging Practices: Maximizing Performance and Lifespan

Proper charging is essential for getting the most out of your Everstart 29DC Maxx battery. Here’s what I’ve learned about optimal charging practices:

Recommended Chargers

Not all battery chargers are created equal. For the Everstart 29DC Maxx, I recommend:

• Smart marine battery chargers: These automatically adjust charging rates and have specific settings for marine batteries
• Chargers with maintenance/float mode: These prevent overcharging during storage
• Minimum 10-amp charging capacity: Anything less will take a very long time to fully charge the battery

I use a NOCO Genius10, which has specific settings for marine batteries and automatically adjusts between fast charging, absorption, and float maintenance modes. It’s a bit pricey at around $100, but considering it helps protect a battery that powers my entire boating experience, it’s worth the investment.

Charging Time and Frequency

For the Everstart 29DC Maxx:

• Full charge from 50% discharge: Approximately 4-5 hours with a 10-amp charger
• Full charge from deep discharge: 8-10 hours with a 10-amp charger
• Recommended charging frequency: After each use, regardless of discharge level

One of the best practices for extending battery life is to recharge as soon as possible after use. I’ve made it a habit to plug in my battery the moment I get home from a fishing trip, even if I only used it for a few hours. This prevents sulfation, which can permanently damage battery plates if left in a partially discharged state.

On-Board Charging Systems

If your boat has an onboard charging system or alternator, it will charge the Everstart 29DC Maxx while you’re running your main engine. However, these systems typically provide only a partial charge. I still recommend connecting to a shore-power charger whenever possible to ensure a complete charge.

Maintenance Requirements: Is It Truly Maintenance-Free?

The Everstart 29DC Maxx is marketed as a maintenance-free battery, but that doesn’t mean you can install it and forget about it entirely.

What “Maintenance-Free” Actually Means

The “maintenance-free” designation primarily refers to the sealed design that eliminates the need to add water to the battery. Unlike older flooded lead-acid batteries, you never need to open the Everstart 29DC Maxx to check or adjust electrolyte levels.

However, there are still some maintenance tasks that help ensure optimal performance:

• Terminal cleaning: Check terminals monthly for corrosion and clean with a wire brush and baking soda solution if needed
• Secure mounting: Periodically verify that the battery is securely mounted to prevent damage from vibration
• Voltage checks: Use a multimeter to check resting voltage occasionally (should be 12.6-12.8V when fully charged)
• Visual inspection: Look for any signs of damage, bulging, or leakage

I’ve found that spending five minutes once a month on these simple checks helps catch potential issues before they become problems.

Winter Storage Practices

Proper off-season storage is crucial for battery longevity. Here’s my routine for winter storage:

1. Fully charge the battery before storage
2. Clean terminals and apply a thin coat of dielectric grease
3. Store in a cool, dry place (40-60°F is ideal)
4. Connect to a maintenance charger or charge every 1-2 months
5. Keep the battery off concrete floors (a wooden board works well)

Following these simple steps helps prevent the sulfation and self-discharge that can occur during extended storage periods.

Size Comparison: Everstart 29DC Maxx vs. 27DC Model

If you’re trying to decide between the Everstart 29DC Maxx and its smaller sibling, the 27DC model, here’s a helpful comparison:

Physical Differences

• 29DC Dimensions: 13″ L × 6.8″ W × 9.4″ H
• 27DC Dimensions: 12″ L × 6.8″ W × 9.4″ H
• Weight Difference: The 29DC is about 5-7 pounds heavier

The primary physical difference is that extra inch of length on the 29DC, which may matter if you have limited battery tray space.

Performance Differences

• CCA Rating: 29DC: 750 CCA vs. 27DC: 675 CCA
• Amp-Hour Capacity: 29DC: ~115 Ah vs. 27DC: ~90 Ah
• Reserve Capacity: 29DC: ~160 minutes vs. 27DC: ~140 minutes

These differences translate to:

• Better starting reliability with the 29DC, especially in cold weather
• Approximately 20-25% longer runtime for accessories and trolling motors with the 29DC
• Slightly better voltage stability under heavy loads with the 29DC

Price Difference

The 29DC typically costs $10-15 more than the 27DC model. In my opinion, this price difference is easily justified by the performance advantages, particularly if you use a trolling motor regularly or boat in colder conditions.

I upgraded from a 27DC to the 29DC this season, and the difference in trolling motor runtime alone has been worth the extra cost. Where I used to get nervous about battery levels after 4 hours on the water, I now comfortably fish for 6+ hours without concern.

RV and Camper Applications: Beyond the Boat

While marketed primarily as a marine battery, the Everstart 29DC Maxx is also suitable for RV and camper applications. Here’s what you need to know if you’re considering it for your recreational vehicle:

RV Compatibility

The dual-purpose nature of the 29DC Maxx makes it well-suited for typical RV usage patterns, which often include:

• Starting the RV engine (for motorhomes)
• Powering interior lights and small appliances
• Running water pumps and fans
• Supporting occasional inverter use for small electronics

In my brother’s small travel trailer, a pair of 29DC Maxx batteries provides enough power for weekend camping trips without hookups, running lights, the water pump, and even a small 12V refrigerator.

House Battery Considerations

When used as a “house battery” in an RV setting:

• Single battery setup: Suitable for weekend camping with modest power needs
• Multiple battery bank: Connect two or more in parallel for extended boondocking
• Charging options: Compatible with RV converter/chargers, solar systems, and generators

If you’re a full-time RVer or frequently camp without hookups, you might want to consider true deep-cycle batteries like 6V golf cart batteries configured in series-parallel. However, for occasional weekend warriors, the 29DC Maxx offers a good balance of starting power and house battery functionality.

Installation Guide: Doing It Right the First Time

Proper installation ensures optimal performance and prevents potential issues. Here’s my step-by-step guide for installing the Everstart 29DC Maxx:

Required Tools and Materials

• Socket wrench or pliers for terminal connections
• Wire brush for cleaning terminals
• Battery terminal protector spray or petroleum jelly
• Battery hold-down straps or brackets
• Safety glasses and gloves (battery acid is no joke!)

Installation Steps

1. Safety first: Turn off all electrical systems and the engine before beginning.
2. Remove the old battery: Disconnect the negative (black) terminal first, then the positive (red). This prevents accidental shorts.
3. Clean the battery tray: Remove any corrosion or debris from the mounting area.
4. Position the new battery: Place it securely in the tray with terminals oriented correctly.
5. Secure the battery: Use hold-down straps or brackets to prevent movement.
6. Connect the terminals: Connect positive (red) first, then negative (black). This again minimizes short circuit risk.
7. Apply terminal protection: Use a battery terminal protector spray or a thin coat of petroleum jelly to prevent corrosion.
8. Double-check connections: Ensure all connections are tight but not over-tightened.

When I installed my 29DC Maxx, the entire process took about 20 minutes, including cleaning the battery tray that had accumulated some corrosion from the previous battery.

Common Installation Mistakes to Avoid

• Reversed polarity: Double-check terminal orientation before connecting
• Loose connections: These can cause voltage drops and starting problems
• Inadequate securing: A battery that can move will experience damage from vibration
• Missing terminal protection: Skipping the corrosion protection leads to premature connection failure

Customer Reviews and Satisfaction: What Others Are Saying

I’ve scoured online forums, talked to fellow boaters at the marina, and collected feedback from friends who use the Everstart 29DC Maxx. Here’s a summary of the common themes:

Positive Feedback

• Value proposition: Many users cite the excellent performance-to-price ratio
• Starting reliability: Consistent starting power even after sitting unused for weeks
• Warranty service: Generally positive experiences with the warranty process
• Longevity: Many report 4+ years of service when properly maintained

Critical Feedback

• Weight: Some users find it heavier than expected, making installation challenging
• Availability: Occasional stock issues, especially during peak season
• Manufacturing inconsistency: Some users report getting batteries that performed poorly from day one (likely manufacturing defects)
• Terminal design: A few complaints about terminal design making some connections difficult

My Personal Assessment

After three months of regular use, I’d rate my satisfaction at about 9/10. The battery has performed flawlessly for starting my outboard and running electronics, and it’s handled my trolling motor needs better than expected.

The only minor issue I’ve encountered is that the positive terminal is slightly recessed, which made connecting my trolling motor lead a bit awkward. I solved this with a terminal adapter, but it was an extra $5 and step I hadn’t anticipated.

Marine Applications: Fresh and Saltwater Considerations

The Everstart 29DC Maxx is designed for marine use, but there are some important considerations depending on your boating environment.

Freshwater Performance

In freshwater applications, the 29DC Maxx excels with:

• Reliable starting power for outboard motors
• Steady power delivery for electronics and accessories
• Good resistance to the vibration typical in boats
• Ability to handle the occasional splash without issues

I primarily use mine in freshwater lakes and rivers, and it’s performed admirably in these conditions.

Saltwater Considerations

Saltwater creates a more challenging environment for any battery due to increased corrosion potential. If you’re using the 29DC Maxx in saltwater:

• Terminal protection becomes critical: Use marine-grade terminal protectors and check connections more frequently
• Mounting location matters more: Try to position the battery in a location less likely to be exposed to salt spray
• More frequent cleaning is necessary: Rinse the top of the battery and terminals with fresh water after saltwater exposure
• Consider a battery box: This provides additional protection from saltwater environment

While I don’t personally use my battery in saltwater regularly, I’ve spoken with several coastal anglers who use the 29DC Maxx in saltwater applications. They report good results but emphasize the importance of diligent maintenance and corrosion prevention.

Performance Testing: How to Check Your Battery’s Health

Monitoring your battery’s performance helps catch issues before they leave you stranded. Here are some simple tests you can perform:

Voltage Testing

A multimeter is your best friend for basic battery health assessment:

• Fully charged resting voltage: Should be 12.6-12.8V
• While starting engine: Should not drop below 9.5-10V
• After running accessories for 30 minutes: Should maintain at least 12.2V

I check my battery’s voltage monthly as part of my regular maintenance routine. It takes less than a minute and provides peace of mind.

Load Testing

For a more definitive test:

1. Use a battery load tester: These devices apply a specific load while measuring voltage
2. Professional testing: Most auto parts stores and marine shops offer free battery testing
3. DIY method: Turn on your headlights for 15 minutes with the engine off, then try starting the engine—it should start promptly

Walmart offers free battery testing at their automotive centers, which I take advantage of before long trips or at the beginning of each boating season.

Signs of Failure

Watch for these warning signs that may indicate your battery is beginning to fail:

• Slow cranking: Engine turns over more slowly than usual
• Swollen case: Battery sides appear bulged or distorted
• Resting voltage below 12.4V: Indicates internal issues or inability to hold charge
• Excessive terminal corrosion: Can indicate battery venting or leakage
• Need for frequent recharging: Battery self-discharges quickly when not in use

Conclusion: Is the Everstart 29DC Maxx Right for You?

After three months of use and extensive research, I can confidently say that the Everstart 29DC Maxx offers exceptional value for most recreational boaters, RV users, and weekend warriors. Its dual-purpose design makes it versatile enough for various applications, while its price point keeps it accessible for most budgets.

Who Should Buy the Everstart 29DC Maxx

• Weekend boaters who need reliability without breaking the bank
• Anglers with trolling motors up to 55 pounds thrust
• RV and camper owners looking for a versatile power solution
• Those who want a good balance between starting power and accessory runtime
• Budget-conscious consumers who still want decent performance

Who Might Need Something Different

• Professional fishing guides or tournament anglers who are on the water daily
• Boaters with high-powered trolling motors (70+ pounds) who use them continuously
• Those with extremely limited battery compartment space
• Sailors or cruisers who need true deep-cycle performance for house battery applications

Final Thoughts

The Everstart 29DC Maxx isn’t the most advanced battery on the market, nor is it the cheapest option available. What it offers is a sweet spot of performance, reliability, and value that makes sense for a wide range of users.

For my needs—weekend fishing trips, running electronics, and occasional trolling motor use—it’s been the perfect solution. The peace of mind that comes from knowing my battery won’t leave me stranded is worth every penny of the reasonable purchase price.

If you’re on the fence about upgrading your marine or RV battery, I hope this comprehensive guide has helped you make an informed decision. Whether you choose the Everstart 29DC Maxx or another option, understanding your power needs and battery specifications is the key to a reliable power system that enhances rather than hinders your outdoor adventures.

Happy boating, and may your battery always have enough juice to get you home!