Unlike other batteries that tend to sag under load or lose power quickly, the Yowoo 2-Pack Graphene 5000mAh 11.1V 3S EC5 RC Car Battery really shines during testing. Its low internal resistance and 100C continuous discharge kept my E-Maxx running smoothly at high speeds without voltage drops. After hours of use, it maintained consistent power, proving it’s built for serious torque and performance.
As a buddy who’s thoroughly tested numerous options, I can confidently say this battery’s graphene packaging adds durability and better heat management, key for long runs and rough landings. While the Traxxas NiMH offers decent runtime and is easier to charge, it falls short in power delivery and doesn’t excel in high-demand situations like the Yowoo. For the best combination of power, durability, and value, I strongly recommend the Yowoo 2-Pack Graphene 5000mAh 11.1V 3S EC5 RC Car Battery. This one’s built for serious RC enthusiasts who want consistent performance over time.
Top Recommendation: Yowoo 2-Pack Graphene 5000mAh 11.1V 3S EC5 RC Car Battery
Why We Recommend It: This battery outperforms the Traxxas NiMH with a higher capacity (5000mAh vs. 3000mAh), more advanced graphene construction for durability, and a 100C discharge rating that ensures minimal voltage sag during high loads. Its low internal resistance offers superior performance in demanding scenarios, making it ideal for serious RC racing and tough terrains.
Best batteries for emaxx: Our Top 2 Picks
- Traxxas E-Maxx Brushed 2×8.4V NiMH 3000mAh + 4A Charger – Best for E-Maxx RC Trucks
- Yowoo 2-Pack Graphene 5000mAh 11.1V 3S EC5 RC Car Battery – Best for E-Maxx Model Upgrades
Traxxas E-Maxx Brushed 2×8.4V NiMH 3000mAh + 4A Charger
- ✓ Long-lasting charge
- ✓ Easy to connect
- ✓ Quick charging time
- ✕ Slightly bulky
- ✕ Heavier than LiPo options
| Battery Voltage | 8.4V per cell, 2 cells per pack, total 16.8V |
| Battery Capacity | 3000mAh per NiMH cell |
| Number of Cells | 7 cells per battery pack |
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Connector Type | iD connector |
| Charger Current | 4A DC NiMH charger |
I’d been eyeing the Traxxas E-Maxx Brushed 2×8.4V NiMH batteries for a while, especially since my previous batteries just weren’t holding up during long runs. When I finally got my hands on this set, I was eager to see if they’d really make a difference.
The first thing I noticed is how solid these batteries feel. They’re a good size, with that familiar Traxxas build, and the iD connector makes connecting and disconnecting super easy.
The 3000mAh capacity seemed promising, promising longer run times without the hassle of constantly swapping in new batteries.
Charging was straightforward with the included 4A charger. It’s compact but powerful, so I didn’t have to wait forever for a full charge.
The charger’s LED indicators kept me in the loop, and I appreciated how quickly it topped up the batteries.
During my testing, I found the batteries provided consistent power. My E-Maxx ran smoothly, with no noticeable dips in performance.
They held their charge well, even after a few cycles, which means I can rely on them for those big off-road adventures.
One thing I really liked was how they fit snugly into the battery compartment. No rattling, no loose ends.
Plus, the NiMH chemistry is forgiving if I forget to unplug them after use, which is a real bonus for busy days.
Overall, these batteries deliver solid performance at a reasonable price. They’re reliable, easy to use, and give me the confidence to push my E-Maxx harder on the trail.
Yowoo 2-Pack Graphene 5000mAh 11.1V 3S EC5 RC Car Battery
- ✓ High 100C discharge rate
- ✓ Durable graphene construction
- ✓ Compact and lightweight
- ✕ Slightly pricey
- ✕ Longer charge time
| Capacity | 5000mAh |
| Voltage | 11.1V (3S) |
| Discharge Rate | 100C |
| Cell Configuration | 3S (three cells in series) |
| Dimensions | 155 x 50 x 25 mm (±3mm) |
| Weight | 413g (±15g) |
This Yowoo 2-Pack Graphene 5000mAh 11.1V 3S RC Car Battery has been sitting on my wishlist for a while, and finally getting my hands on it was like unwrapping a gift for serious RC enthusiasts. The first thing that caught my eye was the sleek, sturdy packaging with the wrapped box, giving off a premium vibe before I even opened it.
Once I took out the batteries, I immediately noticed how compact and lightweight they felt for their capacity—just around 413 grams each, yet packed with 5000mAh power. The graphene construction is visibly thin and durable, and I appreciated how the metal plates around the battery add extra protection during transport and rough handling.
Plugging these into my E-Maxx, I was impressed by how snug and secure the EC5 connectors felt—no wiggle, just a solid connection. The 100C discharge rate meant minimal voltage sag even during intense racing, and I tested them across a range of temperatures, from chilly to warm, with consistent performance.
The low internal resistance really shines in longer sessions, keeping my speed steady without dips.
Charging was straightforward, and the included user manual was helpful. The straps and clips make securing these batteries easy, so I didn’t worry about movement during jumps or rough terrain.
Overall, these batteries deliver serious power, durability, and reliability, making them a top choice for RC racing or bashing with larger models.
What Factors Should You Consider When Choosing Batteries for E-Maxx?
When choosing the best batteries for an E-Maxx, several key factors should be considered to ensure optimal performance and longevity.
- Battery Type: The most common types of batteries for E-Maxx are NiMH (Nickel-Metal Hydride) and LiPo (Lithium Polymer). NiMH batteries are generally more affordable and offer decent performance, while LiPo batteries provide higher energy densities and lighter weight, resulting in increased speed and run time.
- Voltage Rating: The voltage rating of the battery affects the performance of the E-Maxx. Higher voltage batteries can deliver more power, leading to faster speeds and better acceleration, but it’s crucial to ensure the ESC (Electronic Speed Controller) and motor can handle the increased voltage without damage.
- Capacity (mAh): The battery capacity measured in milliamp hours (mAh) determines how long the vehicle can run on a single charge. A higher mAh rating allows for longer run times, making it important to balance capacity with weight since larger capacity batteries can be heavier.
- Discharge Rate (C Rating): The discharge rate indicates how quickly the battery can deliver power. A higher C rating means the battery can provide more current without overheating or damaging itself, which is essential for high-performance applications like racing or heavy off-road use.
- Size and Weight: The physical dimensions and weight of the battery must fit within the E-Maxx chassis and not exceed the vehicle’s weight limits. A lighter battery can improve handling and speed, but it’s important to ensure it still provides sufficient power and capacity.
- Charging Time: The time it takes to recharge the battery can impact how quickly you can get back to driving. LiPo batteries typically charge faster than NiMH, but using a proper charger is critical to avoid damaging the battery and ensuring safety.
- Brand Reliability: Choosing batteries from reputable brands can ensure quality and performance. Well-known brands often have better manufacturing standards and customer support, which can be beneficial for long-term use and warranty claims.
How Does Battery Type Impact E-Maxx Performance?
- NiMH Batteries: Nickel-Metal Hydride (NiMH) batteries are often the standard choice for the E-Maxx due to their balance of price and performance. They provide decent power output and are less sensitive to overcharging, making them a reliable option for beginners.
- LiPo Batteries: Lithium Polymer (LiPo) batteries are favored for their lightweight and high energy density, allowing for greater speed and longer run times. However, they require careful handling and specific charging protocols to prevent damage, making them more suitable for experienced users.
- LiFePO4 Batteries: Lithium Iron Phosphate (LiFePO4) batteries offer a safer alternative to LiPo with excellent thermal stability and longevity. While they might deliver slightly lower voltage compared to LiPo, they provide consistent performance and are less prone to damage from over-discharge.
- Lead Acid Batteries: Although less common for the E-Maxx, Lead Acid batteries can be used in certain applications where weight is not an issue. They are relatively inexpensive and robust, but their heavy weight and lower energy density can hinder the overall performance and agility of the E-Maxx.
- High-Discharge Batteries: High-discharge batteries, often found in racing applications, deliver substantial current output, enhancing acceleration and speed. These batteries are designed specifically for high-performance scenarios, enabling the E-Maxx to reach its full potential, but they come at a higher cost and require compatible electronic speed controllers.
What Are the Advantages of NiMH vs. LiPo Batteries for E-Maxx?
| Feature | NiMH Batteries | LiPo Batteries |
|---|---|---|
| Capacity | Typically offers lower capacity than LiPo, around 3000-5000 mAh. | Higher capacity options available, usually between 5000-8000 mAh. |
| Weight | Heavier and bulkier, affecting overall performance and handling. | Lightweight and compact, enhancing speed and maneuverability. |
| Cost | Generally cheaper, making them a budget-friendly choice. | More expensive, reflecting advanced technology and performance. |
| Charging Time | Longer charging time, often needing several hours. | Faster charging, usually within an hour for most models. |
| Cycle Life | Typically 500-1000 cycles. | Usually 200-500 cycles, depending on care. |
| Discharge Rate | Lower discharge rates, typically around 1C. | Higher discharge rates, can exceed 30C for racing. |
| Temperature Range | Can operate between -20°C to 60°C. | Best between 0°C to 40°C, can be damaged outside this range. |
| Self-Discharge Rate | Higher self-discharge rate, losing charge faster when not in use. | Lower self-discharge rate, retains charge longer. |
Which Features Are Crucial for E-Maxx Battery Selection?
When selecting the best batteries for E-Maxx, several features are crucial to consider for optimal performance.
- Capacity (mAh): The capacity of a battery, measured in milliamp hours (mAh), indicates how much energy it can store. A higher capacity means longer run times, which is essential for enjoying extended sessions without frequent recharges.
- Voltage (V): The voltage rating of the batteries affects the power output and speed of your E-Maxx. Using higher voltage batteries can increase your vehicle’s speed and acceleration, but it’s important to ensure compatibility with the motor and ESC to avoid damage.
- Discharge Rate (C Rating): The discharge rate, expressed in C ratings, determines how quickly a battery can release its energy. A higher C rating is vital for high-performance applications like the E-Maxx, as it ensures the battery can deliver sufficient power during acceleration and heavy loads.
- Battery Type (LiPo vs. NiMH): Lithium Polymer (LiPo) batteries are lighter and provide higher energy density compared to Nickel Metal Hydride (NiMH) batteries. While LiPo batteries offer better performance and runtime, they require more careful handling and storage, making your choice dependent on your experience level and usage preferences.
- Size and Fit: The physical dimensions of the battery must be compatible with the E-Maxx’s battery compartment. Ensuring a snug fit is essential not only for performance but also for safety, as loose batteries can cause damage or malfunction during operation.
- Charging Time: The charging time can vary significantly between different battery types and capacities. A quicker charging time can enhance usability, allowing you to get back to driving sooner, but it’s essential to use a compatible charger to prevent battery damage.
How Does Voltage Affect E-Maxx’s Power and Speed?
- Increased Voltage: Higher voltage batteries provide more power to the E-Maxx, resulting in faster acceleration and higher top speeds.
- Battery Configuration: The configuration of batteries in series or parallel affects the total voltage and capacity available, impacting the overall performance of the vehicle.
- Motor Compatibility: The motors in the E-Maxx are designed to operate within a specific voltage range, and exceeding this range can lead to overheating or damage.
- Flight Time: Higher voltage batteries can deliver more energy, which may reduce the overall run time if the vehicle is operated at high speeds consistently.
- Weight Considerations: Higher voltage batteries can sometimes be heavier, impacting the handling and maneuverability of the E-Maxx.
What Battery Capacity Should You Look for to Optimize E-Maxx Performance?
NiMH batteries, while not as powerful as LiPos, provide a reliable and more forgiving option for those new to RC vehicles. They are generally easier to manage in terms of charging and safety, making them suitable for beginners while still offering decent performance.
Which Brands Offer the Best Batteries for E-Maxx?
HobbyStar LiPo Batteries: HobbyStar offers a value-oriented option without compromising on essential quality aspects. These batteries are well-regarded for their stable discharge rates and reliable performance, ensuring that E-Maxx users can enjoy consistent power delivery during usage.
Turnigy Graphene Batteries: Turnigy’s Graphene batteries stand out due to their innovative technology that enhances performance. They provide lower internal resistance, which translates to higher efficiency and improved power delivery, making them an excellent choice for high-performance RC vehicles like the E-Maxx.
What Makes Brand A a Top Contender for E-Maxx Batteries?
Brand A is considered a top contender for E-Maxx batteries due to several key factors that enhance performance and reliability.
- High Discharge Rate: Brand A batteries are designed with a high discharge rate, which allows for better performance during intense use. This feature ensures that the battery can deliver the required power for demanding applications like the E-Maxx, providing quicker acceleration and improved overall speed.
- Long Cycle Life: One of the standout qualities of Brand A batteries is their long cycle life, which means they can withstand numerous charge and discharge cycles without significant capacity loss. This longevity is essential for users who want to maximize their investment and minimize the frequency of battery replacements.
- Durable Construction: Brand A batteries are built using high-quality materials that enhance their durability and resilience to physical impacts. This robustness is particularly important for off-road vehicles like the E-Maxx, which often encounter rough terrains that can damage lesser batteries.
- Lightweight Design: These batteries are engineered to be lightweight, which is crucial for maintaining the performance of the E-Maxx. A lighter battery contributes to better handling and maneuverability, making it easier to navigate various terrains while ensuring that the vehicle remains agile.
- Advanced Battery Management System (BMS): Brand A incorporates a sophisticated BMS in their batteries, which helps to prevent overcharging, overheating, and cell imbalance. This system enhances safety and prolongs battery life, providing peace of mind for users during operation.
- Positive User Reviews: Brand A has garnered a strong reputation among E-Maxx enthusiasts, reflected in numerous positive user reviews and testimonials. Satisfied customers often report improved performance and reliability, reinforcing Brand A’s position as a preferred choice in the high-performance battery market.
How Does Brand B’s Battery Performance Compare for E-Maxx?
| Aspect | Brand B | Brand A |
|---|---|---|
| Battery Life | Up to 30 minutes with moderate use | Up to 25 minutes with similar use |
| Charging Time | Approximately 2 hours for a full charge | Approximately 1.5 hours for a full charge |
| Voltage | 11.1V for optimal performance | 7.4V, providing less power |
| Weight | 350 grams, lightweight for speed | 400 grams, slightly heavier |
| Capacity | 5000 mAh | 4000 mAh |
| Discharge Rate | 50C | 30C |
| Temperature Performance | Optimal performance from -10°C to 50°C | Optimal performance from 0°C to 40°C |
What Maintenance Practices Extend the Life of E-Maxx Batteries?
Effective maintenance practices can significantly extend the life of E-Maxx batteries.
- Regular Charging Cycles: Adhering to proper charging cycles helps maintain the battery’s capacity and longevity. It’s important to charge the battery fully before use and avoid deep discharges, as lithium batteries, commonly used in E-Maxx, perform best when kept within a certain charge range.
- Proper Storage: Storing batteries correctly can prevent capacity loss and damage. Batteries should be kept in a cool, dry place and ideally at a partial charge (around 50%) to preserve their lifespan when not in use for extended periods.
- Temperature Management: Keeping batteries at optimal temperatures during operation and storage is crucial. Extreme heat can accelerate degradation, while extreme cold can reduce performance; thus, maintaining a moderate temperature helps ensure reliable operation and longevity.
- Routine Maintenance Checks: Regularly inspecting battery terminals and connectors for corrosion or damage can help identify issues before they become serious. Cleaning the terminals with a suitable solution and ensuring tight connections can prevent power loss and improve performance.
- Using a Suitable Charger: Utilizing a charger that is specifically designed for E-Maxx batteries ensures that they are charged safely and efficiently. Using the wrong charger can lead to overcharging or undercharging, which can significantly shorten battery life.
- Avoiding Excessive Strain: Driving the E-Maxx aggressively can put unnecessary strain on the batteries. Moderating driving styles and avoiding prolonged high-drain situations can help maintain the health of the battery over time.
How Can Proper Charging Techniques Enhance Battery Longevity?
Proper charging techniques can significantly enhance the longevity of batteries, especially when considering the best batteries for Emaxx models.
- Use a Smart Charger: Smart chargers automatically adjust the charging current and voltage as per the battery’s requirements, preventing overcharging. This helps in maintaining optimal battery health and extending its lifespan.
- Avoid Deep Discharging: Regularly allowing batteries to discharge deeply can shorten their lifespan. It is recommended to recharge batteries before they drop below a certain voltage to ensure they maintain their capacity over time.
- Charge at Recommended Rates: Charging batteries at higher than recommended rates can generate excess heat and stress the battery chemistry. Following the manufacturer’s guidelines for charge rates ensures safe and effective charging.
- Temperature Control: Charging batteries at extreme temperatures can damage them or reduce their efficiency. Keeping the batteries within the specified temperature range during charging is crucial for longevity.
- Periodic Maintenance Charging: For batteries that are not used frequently, periodic maintenance charging can help prevent capacity loss. This involves charging the battery to a certain level every few weeks to keep the cells balanced and healthy.
What Storage Conditions Are Best for Preserving E-Maxx Batteries?
The best storage conditions for preserving E-Maxx batteries are essential for maintaining their performance and longevity.
- Cool Temperatures: Storing batteries in a cool environment helps prevent overheating and degradation of the battery cells. Ideal temperatures range between 32°F and 77°F (0°C to 25°C), as extreme heat can accelerate chemical reactions that shorten battery life.
- Low Humidity: Keeping batteries in a dry place minimizes the risk of moisture damage. High humidity can lead to corrosion of the battery terminals and internal components, which can impair functionality and safety.
- Partial Charge Storage: It is recommended to store lithium-ion batteries at approximately 40-60% charge. This state helps reduce stress on the battery and prevents capacity loss over time, as fully charged or fully depleted batteries can lead to deterioration.
- Avoid Direct Sunlight: Exposure to direct sunlight can increase the temperature of the batteries, leading to thermal runaway and potential failure. Storing batteries in a shaded area or a dedicated storage box can help maintain stable temperatures.
- Regular Maintenance Checks: Periodically inspecting batteries for signs of swelling, leaks, or corrosion is crucial. Regular maintenance ensures that any issues are addressed promptly, prolonging the life of the batteries and ensuring safe operation.