If you’re an RC enthusiast, you know that the heart of your Arrma Big Rock 3S lies in its battery. Choosing the right battery isn’t just about power; it’s about unleashing the true potential of your monster truck. In this guide, we’ll walk you through everything you need to know to select the best battery for your Arrma Big Rock 3S, ensuring you get the performance you crave without compromising safety or longevity.
List of the Best Batteries for Arrma Big Rock 3S:
1. Zeee 11.1V 80C 5200mAh 3S Lipo Battery with EC5 Connector
The Zeee 11.1V 80C 5200mAh 3S LiPo Battery with EC5 Connector is a robust power solution designed for RC enthusiasts who demand reliability and performance. With a 5200mAh capacity and an 80C discharge rate, this battery delivers consistent power, making it suitable for a variety of applications, including RC cars, boats, trucks, helicopters, and airplanes. The 11.1V configuration ensures compatibility with most 1/10 and 1/8 scale RC models, providing a solid balance between power and efficiency. Measuring 5.43 x 1.85 x 1.46 inches and weighing 13.4 ounces, this battery is compact yet powerful, fitting well within most RC compartments.
The hardcase design adds an extra layer of protection, making it durable enough for demanding conditions. It comes with an EC5 connector, ensuring a secure and reliable connection during use. Despite its robust features, it’s important to note that some users have reported variations in the actual capacity and battery life, indicating that results may vary depending on usage conditions.
Key Features, Pros, and Cons
Key Features:
- 5200mAh capacity for reliable power.
- 80C discharge rate for consistent performance.
- Hardcase design for added durability.
- Compact dimensions: 5.43 x 1.85 x 1.46 inches.
- EC5 connector for secure connections.
Pros:
- Reliable power output with 80C discharge.
- Durable hardcase construction.
- Good value for budget-conscious buyers.
Cons:
- Strict safety guidelines required during charging.
2. OVONIC 80C 3S 5200mAh 11.1V Lipo Battery with EC5 Connector
The OVONIC 80C 3S 5200mAh 11.1V LiPo Battery with EC5 Connector is engineered for high-performance RC vehicles, offering a blend of power, reliability, and durability. With a 5200mAh capacity and an 80C discharge rate, this battery ensures consistent energy delivery, making it ideal for 1/10, 1/8, and 1/7 scale RC cars, trucks, buggies, and truggies. The 11.1V configuration provides the necessary voltage for demanding RC applications, while the hard case construction adds a layer of protection against impacts and harsh conditions.
Measuring 5.4 x 1.8 x 1.2 inches and weighing 0.72 pounds, this battery is compact yet powerful, fitting seamlessly into a wide range of RC models. The use of premium Lithium Cobalt Oxide (LiCoO2) materials enhances its cycle life, offering up to 350 charge cycles, while the ISO-certified design ensures safety. Additionally, the battery boasts a 12% longer running time and 6% faster charging time compared to similar models.
Key Features, Pros, and Cons
Key Features:
- 5200mAh capacity with an 80C discharge rate.
- Hard case design for enhanced durability.
- Compact size: 5.4 x 1.8 x 1.2 inches.
- Premium LiCoO2 materials for longer cycle life.
- ISO-certified for safety and quality.
Pros:
- Consistent power delivery.
- Durable and impact-resistant hard case.
- Faster charging and longer running time.
Cons:
- Slightly heavier compared to similar models.
3. HOOVO 3S 11.1V Lipo Battery 6500mAh
The HOOVO 3S 11.1V LiPo Battery with 6500mAh capacity and 120C discharge rate is engineered for high-performance RC vehicles, offering robust power and extended run times. Designed for 1/8 and 1/10 scale vehicles, this battery delivers the energy density required to keep your RC cars, trucks, and boats running longer and stronger. The 11.1V configuration ensures compatibility with a wide range of models, including popular brands like Losi, Traxxas, and Team Associated. The hard case design enhances durability, protecting the battery from impacts and rough handling during intense RC sessions.
Measuring 5.47 x 1.85 x 1.46 inches and weighing 14.43 ounces, the HOOVO battery is compact yet powerful, fitting easily into most RC vehicle compartments. With a minimum of 150 charge cycles, it offers a long cycle life, providing reliable performance over time. The EC5 plug connector ensures a secure and efficient connection, minimizing power loss during use.
Key Features, Pros, and Cons
Key Features:
- 6500mAh capacity with a 120C discharge rate.
- Hard case design for added protection.
- Compact dimensions: 5.47 x 1.85 x 1.46 inches.
- EC5 plug connector for secure connections.
- Long cycle life with at least 150 charge cycles.
Pros:
- High energy density and power output.
- Durable hard case construction.
- Excellent value for the price.
Cons:
- Mixed reviews on durability.
4. Socokin 3S Lipo Battery EC5 Connector 6600mAh 11.1V 120C
The Socokin 3S LiPo Battery with EC5 Connector is engineered for high-performance RC models, offering a solid 6600mAh capacity and an impressive 120C discharge rate. This battery is designed to meet the demands of RC enthusiasts who require reliable power and extended run times for their RC cars, trucks, boats, helicopters, and airplanes. With an 11.1V configuration, it ensures compatibility with a wide range of 1/8 and 1/10 scale RC vehicles, including popular models from Arrma, Slash, and Team Associated.
Measuring 5.43 x 1.85 x 1.49 inches and weighing 0.84 pounds per battery, the Socokin battery is compact yet powerful, fitting securely within most RC compartments. The hard case design enhances durability, protecting the battery from potential damage during intense use. Additionally, the lithium polymer composition and 3S1P configuration contribute to the battery’s longevity, ensuring consistent performance over time.
Key Features, Pros, and Cons
Key Features:
- 6600mAh capacity with a 120C discharge rate.
- Durable hard case design.
- Compact dimensions: 5.43 x 1.85 x 1.49 inches.
- EC5 connector for secure and reliable connections.
- Long-lasting lithium polymer composition.
Pros:
- High discharge rate for powerful performance.
- Sturdy construction with a hard case.
- Excellent value for money.
Cons:
- Requires careful charging practices.
5. Zeee 3S Lipo Battery 10000mAh 11.1V 120C with EC5 Connector
The Zeee 3S LiPo Battery 10000mAh 11.1V 120C with EC5 Connector is a powerhouse designed for high-performance RC vehicles. With an impressive 10000mAh capacity and a discharge rate of 120C, this battery delivers exceptional power and endurance, making it ideal for demanding remote control applications. The 11.1V configuration ensures compatibility with various RC models, while the EC5 connector provides a reliable connection for uninterrupted performance. Each battery measures 6.65 x 1.89 x 1.24 inches and weighs 19.15 ounces, ensuring a balance between size and power. The included two-pack allows for extended run times or dual setups, enhancing your RC experience. Furthermore, the lithium polymer composition offers a high energy density, contributing to longer run times and consistent power output.
With safety in mind, the battery requires a LiPo-specific charger and adheres to a strict charge rate of 1C, ensuring longevity and minimizing risks. This product is a top-tier choice for RC enthusiasts seeking maximum performance in their vehicles.
Key Features, Pros, and Cons
Key Features:
- 10000mAh capacity for extended run times.
- 120C discharge rate for high power output.
- EC5 connector for secure connections.
- Compact dimensions: 6.65 x 1.89 x 1.24 inches.
- Two-pack for double the performance.
Pros:
- High capacity and discharge rate.
- Reliable and secure EC5 connector.
- Versatile compatibility with various RC models.
Cons:
- Slightly heavier at 19.15 ounces.
How to Choose the Best Batteries for Arrma Big Rock 3S?
1. Why the Right Battery Matters for Your Arrma Big Rock 3S
First and foremost, let’s talk about why selecting the right battery is so crucial. The Arrma Big Rock 3S is a beast designed for high-speed bashing and rugged off-road adventures. However, without the right battery, even this powerhouse can feel sluggish. The right battery not only boosts performance but also enhances run times, giving you more time to enjoy your ride. Moreover, choosing a battery that matches the truck’s specifications prevents unnecessary strain on the motor and ESC, prolonging the life of your vehicle.
2. Understanding Your Battery Options: LiPo vs. NiMH
When it comes to powering your Arrma Big Rock 3S, you have two main options: LiPo (Lithium Polymer) and NiMH (Nickel-Metal Hydride) batteries. But which one is right for you?
2.1 LiPo Batteries: The High-Performance Choice
If you’re after raw power and speed, LiPo batteries are your go-to choice. These batteries are known for their high energy density, meaning they pack more power in a smaller, lighter package. For the Arrma Big Rock 3S, a 3S LiPo battery (11.1V) is often recommended, as it delivers the full punch this truck is capable of.
But why stop at power? LiPo batteries also offer higher discharge rates, crucial for maintaining consistent performance during intense driving sessions. A high C-rating ensures that your truck gets the power it needs, exactly when it needs it. However, LiPo batteries do require more care—they must be charged and stored properly to prevent damage. But for the thrill-seeker who wants to push the limits, the extra effort is worth it.
2.2 NiMH Batteries: A Solid Option for Beginners
On the other hand, NiMH batteries are more forgiving, making them a great choice for beginners or casual users. While they don’t offer the same level of power as LiPo batteries, they are easier to handle and maintain. If you’re just getting started with your Arrma Big Rock 3S, a 7-cell NiMH battery might be a good starting point. It provides sufficient power for most needs and doesn’t require the same level of attention as a LiPo battery.
However, be aware that NiMH batteries are bulkier and heavier, which can affect the handling of your truck. They also have a lower energy density, meaning shorter run times and less powerful performance. But if ease of use is your priority, NiMH could be the way to go.
3. Key Factors to Consider When Choosing a Battery
Now that you know your options, let’s dive into the key factors you should consider when choosing the best battery for your Arrma Big Rock 3S.
3.1 Capacity (mAh): How Much Run Time Do You Need?
Capacity, measured in milliamp hours (mAh), directly affects how long your battery will last. A higher capacity battery will give you longer run times, allowing you to enjoy your RC experience without constant recharging. For the Arrma Big Rock 3S, a battery with a capacity between 5000mAh and 7000mAh is usually ideal, offering a good balance between power and endurance.
3.2 Voltage (V): 2S vs. 3S LiPo Batteries
Voltage is another critical factor. A 2S LiPo battery (7.4V) is sufficient for general use, providing decent speed and performance. However, if you want to unlock the full potential of your Arrma Big Rock 3S, a 3S LiPo battery (11.1V) is the way to go. The increased voltage results in higher speeds and more aggressive acceleration, perfect for those who love to push the limits.
3.3 Discharge Rate (C Rating): Power on Demand
The C rating of a battery determines how quickly it can deliver power to your motor. A higher C rating means more power available on demand, which is essential for maintaining consistent performance, especially during high-speed runs or when navigating tough terrains. For the Arrma Big Rock 3S, a battery with at least a 50C rating is recommended to ensure smooth and powerful performance.
3.4 Connector Type: Ensuring Compatibility
Finally, don’t overlook the connector type. The Arrma Big Rock 3S typically uses an EC5 connector, so make sure your battery is compatible. Some batteries come with adapters, but it’s always best to choose a battery that matches your truck’s connector to avoid any hassle.
4. Maintenance Tips: How to Get the Most Out of Your Battery
Choosing the right battery is just the beginning. To ensure longevity and safety, proper maintenance is key.
- Proper Charging: Always use a charger designed for your battery type. Avoid overcharging, and never leave a charging battery unattended.
- Storage: Store your batteries at the recommended storage voltage, especially if you won’t be using them for an extended period. Keep them in a cool, dry place to prevent damage.
- Safety Precautions: LiPo batteries can be volatile if mishandled. Always follow manufacturer guidelines, and if a battery becomes damaged or swollen, dispose of it safely.
Frequently Asked Questions when Selecting the Best Batteries for Arrma Big Rock 3S
1. Can I use a 2S LiPo battery with my Arrma Big Rock 3S?
Yes, you can use a 2S LiPo battery (7.4V) with your Arrma Big Rock 3S. A 2S battery will provide a good balance of power and runtime, making it suitable for general bashing and less intense driving sessions. However, it won’t deliver the same level of speed and performance as a 3S LiPo battery. If you’re looking for the full experience that the Arrma Big Rock 3S can offer, a 3S LiPo battery is recommended.
2. What is the difference between a 2S and 3S battery for the Arrma Big Rock 3S?
The main difference between a 2S and 3S battery lies in their voltage. A 2S battery provides 7.4V, while a 3S battery provides 11.1V. The higher voltage of a 3S battery results in increased speed and acceleration, allowing the Arrma Big Rock 3S to reach its full performance potential. A 2S battery is sufficient for moderate driving and longer runtimes, but for maximum power and thrills, a 3S battery is the preferred choice.
3. How long does a 5000mAh battery last in the Arrma Big Rock 3S?
The runtime of a 5000mAh battery in the Arrma Big Rock 3S can vary depending on driving conditions, driving style, and the terrain. On average, you can expect around 15-25 minutes of continuous runtime with a 5000mAh battery. Using a higher capacity battery, such as 6000mAh or 7000mAh, can extend the runtime. Keep in mind that aggressive driving, such as high-speed runs and stunts, will deplete the battery more quickly.
4. What is the C rating, and why is it important for the Arrma Big Rock 3S?
The C rating of a battery indicates the rate at which it can safely discharge power. For the Arrma Big Rock 3S, a high C rating (50C or above) is crucial because it ensures that the battery can deliver the necessary power to the motor during intense driving sessions. A higher C rating provides consistent performance, reduces the risk of overheating, and helps maintain power delivery even under heavy load. Batteries with a low C rating may struggle to provide enough power, leading to reduced performance and potential damage to the battery or vehicle.
5. Can I use NiMH batteries with my Arrma Big Rock 3S?
Yes, you can use NiMH batteries with your Arrma Big Rock 3S, but they are generally less powerful and less efficient compared to LiPo batteries. NiMH batteries are heavier and have a lower energy density, which means shorter run times and less aggressive performance. However, they are easier to handle and maintain, making them a good option for beginners or casual users. A typical 7-cell NiMH battery (8.4V) will work with the Arrma Big Rock 3S, but it won’t deliver the same level of speed and power as a 3S LiPo battery.
6. How do I properly charge and store LiPo batteries for the Arrma Big Rock 3S?
Proper charging and storage of LiPo batteries are essential to ensure their longevity and safety. Always use a LiPo-compatible charger that can balance charge the cells. Charge the batteries at the recommended rate (typically 1C), and never leave them unattended while charging. For storage, LiPo batteries should be stored at approximately 3.7-3.8V per cell, which is known as the storage voltage. Store them in a cool, dry place, ideally in a LiPo-safe bag, to prevent any risk of fire or damage. Avoid storing fully charged or fully depleted LiPo batteries for extended periods, as this can degrade the cells.
7. What connector type should I use with the Arrma Big Rock 3S?
The Arrma Big Rock 3S typically uses an EC5 connector, which is designed to handle the high current demands of the vehicle. When selecting a battery, ensure that it either comes with an EC5 connector or that you have an appropriate adapter. Using the correct connector type is crucial to ensure a secure and efficient power connection, reducing the risk of power loss or damage to the battery and ESC.
8. How do I know if a battery is compatible with my Arrma Big Rock 3S?
To determine if a battery is compatible with your Arrma Big Rock 3S, check the following key factors:
- Voltage: Ensure the battery is either 2S (7.4V) or 3S (11.1V).
- Connector Type: The battery should have an EC5 connector or a compatible adapter.
- Physical Size: The battery should fit within the battery compartment of your Arrma Big Rock 3S.
- Capacity (mAh): A capacity between 5000mAh and 7000mAh is recommended.
- C Rating: The battery should have a high discharge rate (50C or above) to meet the power demands of the truck.
If all these factors align, the battery should be compatible and perform well with your Arrma Big Rock 3S.
9. How do I extend the lifespan of my battery for the Arrma Big Rock 3S?
To extend the lifespan of your battery, follow these best practices:
- Avoid Over-discharging: Stop using the battery once you notice a drop in power to prevent it from discharging below safe levels.
- Proper Charging: Use a quality charger and avoid overcharging or charging at a high rate. Balance charging is recommended for LiPo batteries.
- Temperature Management: Avoid running or charging the battery in extreme temperatures, as this can damage the cells. Allow the battery to cool down after use before charging.
- Regular Inspection: Check the battery regularly for signs of damage, such as swelling or leaks. If you notice any issues, discontinue use and dispose of the battery safely.
- Storage: Store the battery at the recommended storage voltage in a cool, dry place when not in use for extended periods.
Conclusion
In conclusion, choosing the best battery for your Arrma Big Rock 3S is more than just a matter of power—it’s about maximizing your RC experience while ensuring safety and longevity. Whether you opt for the high-performance thrill of a 3S LiPo battery or the beginner-friendly ease of a NiMH battery, understanding the key factors like capacity, voltage, C rating, and connector type will help you make an informed decision.
Enjoyed this guide of the best batteries for Arrma big rock 3s? Then be sure to check out our other RC Rating guides.