The EverStart Maxx 29DC Marine/RV Deep Cycle Battery delivers 125 amp hours (Ah) at a 20-hour discharge rate. This capacity supports extended power delivery for marine and RV applications, such as trolling motors, lighting, and appliances. Its deep-cycle design ensures consistent performance during prolonged discharges, making it ideal for off-grid or long-term use.
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What Are the Key Specifications of the EverStart Maxx 29DC Battery?
The EverStart Maxx 29DC features a 12V system, 125 Ah capacity, and a reserve capacity of 210 minutes. It weighs 53.4 lbs, uses lead-acid technology, and includes dual terminals (top and side posts) for versatile connectivity. Its dimensions are 13.03″ x 6.89″ x 9.54″, designed to fit standard marine/RV battery compartments.
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How Does the Amp Hour Rating Affect Marine and RV Applications?
Amp hours determine how long the battery can sustain a specific load. For example, a 125 Ah battery running a 10A trolling motor lasts ~12.5 hours. Higher Ah ratings extend runtime for appliances like refrigerators or inverters, reducing recharge frequency during trips. Deep-cycle batteries prioritize sustained energy over short bursts, unlike starter batteries.
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What Is the Charging Process for the EverStart Maxx 29DC Battery?
Charge the battery using a marine/RV smart charger set to 12V and 10-15A. Avoid exceeding 14.7V to prevent overcharging. A full recharge takes 4-6 hours after 50% discharge. Maintain a 50-80% charge during storage and perform monthly top-offs to prevent sulfation. Never discharge below 50% to prolong lifespan.
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For optimal charging, use temperature-compensated chargers in extreme climates. Cold environments (<50°F) require slightly higher voltages (14.4-14.7V), while hot conditions (>80°F) need lower voltages (13.8-14.1V) to avoid electrolyte loss. Always charge in well-ventilated areas due to hydrogen gas emission. Periodic equalization charges (15.5V for 2-4 hours) help balance cell voltages in flooded lead-acid batteries like the EverStart 29DC, but consult the manual first as improper use can accelerate plate corrosion.
How Does the EverStart Maxx 29DC Compare to Other Deep-Cycle Batteries?
The EverStart Maxx 29DC offers competitive Ah (125) and reserve capacity (210 mins) versus rivals like Optima BlueTop (110 Ah) or Interstate 29DC (130 Ah). Its dual terminals and Walmart-exclusive availability provide affordability but lack AGM or lithium-ion durability. It’s best for budget-conscious users needing reliable mid-tier performance.
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| Model | Ah Capacity | Reserve Capacity | Technology | Price Range |
|---|---|---|---|---|
| EverStart Maxx 29DC | 125 | 210 mins | Flooded Lead-Acid | $110-$130 |
| Optima BlueTop D31M | 110 | 155 mins | AGM | $350-$400 |
| Interstate 29DC | 130 | 225 mins | Flooded Lead-Acid | $140-$160 |
While AGM batteries like the Optima offer vibration resistance and faster recharge cycles, they cost 3x more. Lithium-ion alternatives provide 2000+ cycles versus 500-800 cycles for lead-acid but require a $900+ investment. The EverStart 29DC strikes a balance for seasonal users who prioritize upfront cost over long-term cycle life.
Why Is Cold Cranking Amps (CCA) Less Critical for Deep-Cycle Batteries?
Deep-cycle batteries prioritize amp hours over CCA, which measures short-term starter power. The EverStart Maxx 29DC’s 675 CCA suffices for auxiliary engine starts but isn’t its primary function. Marine/RV systems rely on separate starter batteries for ignition, letting deep-cycle units focus on sustained accessory loads.
What Warranty and Recycling Options Apply to the EverStart Maxx 29DC?
Walmart offers a 1-year free replacement warranty. Recycling is available at most Walmart Auto Centers, complying with EPA guidelines. Users receive a $12 core refund when returning old batteries. Always transport batteries upright and avoid exposing terminals during recycling to prevent short circuits.
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Expert Views
“Redway’s lead engineer notes: ‘The EverStart Maxx 29DC balances cost and performance for casual boaters. While lithium batteries dominate high-end markets, this unit’s 125 Ah rating and dual terminals make it a pragmatic choice for weekend trips. Just monitor discharge depth—consistent deep cycling below 50% halves its 3-5 year lifespan.'”
Conclusion
The EverStart Maxx 29DC Marine/RV Battery provides 125 Ah for reliable, sustained power in marine and RV environments. Its specifications, charging guidelines, and maintenance requirements align with mid-tier user needs. While not the most advanced technology, its affordability and accessibility through Walmart make it a practical choice for intermittent deep-cycle applications.
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FAQs
- Can this battery power a 2000W inverter?
- Yes, but runtime depends on load. A 2000W inverter draws ~166A at 12V. The 125 Ah battery would last ~45 minutes at full load before reaching 50% discharge.
- Is the EverStart Maxx 29DC spill-proof?
- No, it uses traditional flooded lead-acid cells. Store upright and avoid tilting beyond 45° to prevent acid leaks.
- Does Walmart install this battery?
- Most Walmart Auto Centers offer installation for marine/RV batteries if purchased in-store, excluding external wiring or complex setups.
How many amp hours is the EverStart marine battery?
Most EverStart marine batteries range from 85 to 125 amp hours (Ah) depending on group size. Popular models like the EverStart Maxx 29DC offer up to 125 Ah at the standard 20-hour discharge rate, making them suitable for deep cycle marine and RV applications.
How to tell amp hours on a marine battery?
To find the amp hours (Ah) of a marine battery, check the label or manufacturer’s specs. Look for “Ah” or “Amp-Hour” on the case, owner’s manual, or product page. If only the reserve capacity is listed, divide RC by 2.4 to estimate Ah (e.g., 120 RC ≈ 50 Ah).
How many amp hours is a 24MS marine battery?
A 24MS marine battery typically supplies between 70 and 85 amp hours. This group size is common for small boats and accessories, offering moderate deep cycle capacity for trolling motors or electronics.
How many amp hours is a 27d battery?
A 27d marine battery usually provides about 90 to 105 amp hours at a 20-hour rate. This higher capacity makes Group 27d ideal for larger boats, RVs, or applications demanding longer sustained power.
What Are The Specs Of The Everstart 29DC Battery?
The EverStart 29DC features a 12V output, up to 125 Ah, and a reserve capacity around 210 minutes. Its dimensions are about 13″ x 6.9″ x 9.5″, weighing roughly 60 pounds. It delivers both starting power and deep cycling for boat and RV use.
What Is The Amp Hours Rating Of Everstart 29DC Marine Battery?
The amp hours rating for the EverStart 29DC marine battery is 125 Ah at the 20-hour discharge rate, making it suitable for extended trolling, lighting, and onboard systems in marine environments.
What Are The Features Of A Marine Battery 29DC?
Key features of a 29DC marine battery include deep-cycle capability, robust lead-acid design, maintenance-free operation, high cranking amps, spill-resistant case, and dual terminals for versatile installation. It handles repeated discharge and recharge cycles, ideal for boats and RVs.
What Is The Difference Between Everstart 29DC And 29DC Maxx?
The main difference is that the 29DC Maxx typically offers higher quality construction, improved reserve capacity, and sometimes slightly increased amp-hour rating compared to the standard 29DC. Both share similar size but the Maxx version is marketed for longer life and extra reliability.
What Is The EverStart Marine Battery 29DC?
The EverStart 29DC is a group size 29 deep-cycle, dual-purpose marine battery designed for both starting and powering auxiliary systems on boats and RVs. It is valued for solid capacity, reliability, and affordability compared to premium brands.
How Is The Everstart Maxx Marine 29DC Battery Reviewed?
The EverStart Maxx 29DC is often reviewed as a strong value, balancing affordability with consistent performance. Users report good reserve capacity and reliability for trolling motors, but some recommend careful charging and moderate loads for best lifespan.
What Is The Group Size Of Everstart Maxx Marine 29DC 12 Volt?
The EverStart Maxx Marine 29DC is Group 29, which indicates its physical size (about 13″ x 6.9″ x 9.5″) and makes it compatible with most standard marine battery compartments.
What Is The Size Of A Group 29 Battery?
A Group 29 battery typically measures around 13 inches in length, 6.8–6.9 inches in width, and 9.4–9.5 inches in height. This size suits large marine and RV battery trays, providing room for high-capacity, deep cycle batteries.
