Designed for heavy-duty applications, group 29 batteries will deliver consistent power output to power all the power-demanding equipment you need to run for various purposes. If you have a truck or marine vehicle, the right group 29 battery will be an excellent and necessary investment.
In this article, we’ll review some of the best group 29 batteries on the market. We’ll also explain some of the features you need to consider before making your next purchase.
|EverStart Maxx Marine Battery, Group Size 29DC||• Affordable battery for demanding operational settings.
• Has more cycling power than other batteries.
• Can power electronics and other tools when the motor is off.
• Has a 2-year warranty.
|Duralast 29DP-DL Group 29 Deep Cycle Marine and RV Battery||• Affordable and lightweight battery.
• High reserve capacity given its price.
• Vibration resistance to improve performance.
• Improved grids and vent caps to reduce the risk of premature failure.
|Interstate Batteries Deep Cycle Group 29/840 Marine Cranking Amp Battery||• Suitable for truck, RV, boat.
• Delivers good power output for extended periods.
• Can power electronics and other devices when the motor isn’t running.
• Maintenance-free design.
What is a Group 29 Battery?
A group 29 battery can be used in automotive applications, to power a boat, or to run heavy equipment. It’s designed to deliver power in the most extreme conditions, guaranteeing that your motor and other electric appliances will run for a long time.
Group 29 batteries are divided into two subcategories, Group 29NF and Group 29H batteries. Group 29NF batteries measure about 13 x 5.5 x 8.9375 inches, and Group 29H batteries measure about 13.125 x 6.75 x 9.125 inches.
The group 29H batteries’ measurements are very close to group 31 batteries, so they might be used for similar applications. However, they can’t be used interchangeably unless the battery compartment fits well. Otherwise, the battery won’t be mounted properly, and the mechanical vibrations might damage the battery or cause leaks that affect its performance.
These batteries are deep cycle batteries because they deeply discharge to their maximum capacity, providing electric power to run bigger motors, tools, and equipment.
How to Choose the Best Group 29 Batteries
Although buying batteries seems like an easy task, things can be a little challenging when you’re shopping for a group 29 battery that is designed to power a trolling motor. Without a reliable battery, you might find yourself without power at the most inappropriate time. Here are a few things to consider before choosing your new group 29 battery.
Type of Battery
There are two types of batteries, sealed AGM and wet-cell lead-acid batteries. Lead-acid batteries are more common, where an electrolyte floods the lead plates to produce power. They’re more affordable but will be less reliable in the long run.
AGM batteries are more expensive. They’re less prone to vibration problems and will provide more reliability in more challenging situations.
By examining your motor, you’ll determine the right group size battery that will work to power your equipment. Make sure that the battery fits where it should. If it’s not mounted properly, you’ll be disappointed with the performance. Group 29 batteries are powerful enough to power big-sized boats.
How well your group 29 battery charges depend on several factors. The overall charging system should be properly installed, as a bad charger can damage your battery and affect its expected performance. You should make sure that the charger installed is compatible with your battery. Otherwise, your battery will be useless.
Improper charging can also damage the battery and shorten its life. The more your charge the battery, the shorter its life will be, so you should make sure that optimum charging is provided to protect the battery’s charging cycle.
Some batteries will recharge faster than others. These batteries will come in handy in case of an emergency.
A heavier and bigger battery will be more reliable. Heavier batteries have more chemicals in the core to produce electric power that you can use to run your motors and tools. This also means that you won’t have to recharge your battery that often, which eventually guarantees that the battery will last longer.
However, if weight is an issue, you should go for a slightly lighter battery. There are lighter batteries that would still deliver excellent performance.
This refers to the amount of time you have before the battery falls before the minimum voltage. A higher reserve capacity means that your battery will be more reliable.
Warranty and After-Sale Service
A group 29 battery is an expensive investment. This is why you want to make sure that you’re buying a high-quality battery that won’t disappoint you.
Before you buy a particular battery, check the warranty terms. Some manufacturers offer long-term or even lifetime warranties. However, others might offer warranties that last for a few months. Since you’ll be depending on your battery in extreme conditions, you should pick a reliable product that won’t disappoint you when you need it the most.
Reviews of the Best Group 29 Batteries
High-quality and well-made batteries won’t disappoint you in the most challenging operational settings. Check out our top group 29 batteries.
1. EverStart Maxx Marine Battery, Group Size 29DC
This battery proves that getting adequate power output doesn’t have to cost a fortune. The battery is designed to help you spend more time in the water or in your truck or RV, without worrying about your motor failing to start.
Compared to other batteries in the same group, this one has 30% more cycling power, making it a reliable option for the most demanding conditions. With more cycling power, you can add electricity loads to this battery, running accessories, and electronics when the engine is off.
It weighs 61 pounds and is slightly bigger, being a group 29H battery, so you should make sure that you have room to mount it to run your motor. It has a 2-year warranty, but some maintenance is required to make sure that it works well. You might need to check the fluid levels and add distilled water if you feel that it doesn’t hold a charge.
What We Like
- Affordable battery for demanding operational settings.
- Has more cycling power than other batteries.
- Can power electronics and other tools when the motor is off.
- Has a 2-year warranty.
What We Don’t Like
- Maintenance will be needed if it doesn’t hold a charge.
2. Duralast 29DP-DL Group 29 Deep Cycle Marine and RV Battery
Whether you have a truck, RV, or boat, this battery is designed to keep your motor operating in the most demanding environments. The high reserve capacity and the vibration resistance provide you with consistent performance when it’s needed.
The grid manufacturing technology increases the battery’s efficiency, delivering adequate power output all the time. It features industry-standard vent caps to reduce the risk of leakages and corrosion that might affect the battery’s performance. Moreover, the body of the battery is perfectly welded to stop corrosion and eliminate the risk of premature failure.
Despite its affordable price, the negative paste improves its performance and increases battery life. It weighs 59.6 pounds but has 1 year of warranty.
What We Like
- Affordable and lightweight battery.
- High reserve capacity given its price.
- Vibration resistance to improve performance.
- Improved grids and vent caps to reduce the risk of premature failure.
What We Don’t Like
- Provides 1 year of warranty.
3. Interstate Batteries Deep Cycle Group 29/840 Marine Cranking Amp Battery
If you need a steady stream of power for an extended period of time, you should look no further. This battery is the perfect choice for your truck, RV, or boat, as it’s designed to start and operate your motor in off-the-grid settings.
Powering the motor and any electronics won’t be a problem, as this battery will charge and discharge repeatedly to deliver the expected performance. Even when the motor is off, the battery would still run your accessories without disappointing you.
You don’t have to worry about maintaining or cleaning this battery as it’s designed to be hassle-free. It weighs 59.7 pounds, but the 1-year warranty can make people a little bit skeptical before buying this battery.
What We Like
- Suitable for truck, RV, boat.
- Delivers good power output for extended periods.
- Can power electronics and other devices when the motor isn’t running.
- Maintenance-free design.
What We Don’t Like
- A limited 1-year warranty.
How much time can I expect an AGM battery to last?
The answer differs from one battery to another. Although AGM batteries are designed to last longer than lead batteries, some of them simply fail before their time is due. This is related to the way the battery charges and discharges, in addition to the operating conditions.
Some batteries can last up to 10 years, while others will fail after 2 or 3 years. Investing in a good charger guarantees that the battery will last for a long time.
Why are deep cycle batteries more suitable for trolling motors?
These batteries are designed to slow discharge their power, so when you’re out in the water for extended periods, your battery won’t fail you. Regular batteries will discharge all their power fast, so you won’t have enough electric power to run your motor.
Choosing a battery for a truck, RV, or boat can be a little daunting because things can get a little complicated if the battery fails. For this reason, we chose the EverStart Maxx Marine Battery, Group Size 29DC as our top choice. It will deliver steady and adequate power output to run your motor and any other electronics. The performance doesn’t deteriorate with continuous use, which makes it one of the best group 29 batteries on the market.
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