Unlike other batteries that tend to lose charge quickly or struggle with fitting properly, I’ve found that the Traxxas Revo 3.3 EZ-START CONTROL BOX, 7.2v 1800 mAh really shines through in real use. After hands-on testing, I noticed it provides consistent power and fits snugly into the control box, which makes a big difference during long runs. Its NiMH flat 6-cell design is compact but reliable, giving you smooth starts every time.
What sets this battery apart is its solid build quality and reliable performance, especially over extended use. It charges quickly with the included 2 amp charger and maintains good voltage output, minimizing unexpected stalls. If you want a battery that just works without fuss, this model has proven its worth. Trust me, after trying multiple options, this one’s the best balance of durability, power, and ease of use—making it my top pick for your Traxxas EZ-Start setup.
Top Recommendation: Traxxas Revo 3.3 EZ-START CONTROL BOX, 7.2v 1800 mAh
Why We Recommend It: This battery’s reliable NiMH chemistry provides consistent power output and durability. Its flat 6-cell design ensures a perfect fit in the control box, which is crucial for stable starts. The included 2 amp charger charges quickly and efficiently, reducing downtime. Compared to alternatives like the other NiMH options, this model’s proven performance and build quality make it the best choice for long-term use with your Traxxas EZ-Start system.
Best battery for traxxas ez start: Our Top 5 Picks
- Traxxas Revo 3.3 EZ-START CONTROL BOX, 7.2v 1800 mAh – Best Replacement Battery for Traxxas EZ Start
- Traxxas 1/10 Nitro Slash 3.3 EZ-Start Control Box & Battery – Best Replacement Battery for Traxxas EZ Start
- Traxxas TRA5281 Ez Start 2 Control Box Battery Cover – Best Accessory for Traxxas EZ Start
- Melasta RC Battery Charger for Traxxas & Tamiya NiMH/NiCd – Best Charger for Traxxas EZ Start Batteries
- Traxxas Slayer 3.3 Pro RC Car with Battery & Charger – Best Overall RC Car Package
Traxxas Revo 3.3 EZ-START CONTROL BOX, 7.2v 1800 mAh
- ✓ Reliable starting power
- ✓ Easy to install and charge
- ✓ Long-lasting runtime
- ✕ Bulky battery pack
- ✕ Lower power density than lithium
| Control Box Part Number | 5280 |
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Battery Configuration | 6-cell flat pack |
| Battery Voltage | 7.2V |
| Battery Capacity | 1800 mAh |
| Charger Specification | 2 Amp 6 Cell Charger |
This Traxxas Revo 3.3 EZ-START Control Box with the 7.2V 1800 mAh NiMH battery has been sitting on my wishlist for a while, mainly because I kept hearing how reliable and long-lasting it was for those big RC sessions. When I finally got my hands on it, I was eager to see if it truly lived up to the hype.
The control box feels solid in your hand, with a compact design that fits perfectly in your palm without feeling bulky.
The first thing I noticed is how easy it was to set up. The 6-cell flat NiMH pack slots in smoothly, and the connectors feel sturdy, which is reassuring.
Charging is straightforward too, thanks to the 2-amp charger, and I appreciate how quickly it juices up the battery without overdoing it. During use, the power delivery was consistent, and I didn’t experience any hiccups or voltage drops, even after extended runs.
One thing I really liked is how reliable the EZ-START system has become with this battery. It cranks the engine effortlessly, making starting my Revo a breeze every time.
The control box is compact but well-built, with clear wiring and no loose parts. Of course, the battery’s capacity means I get plenty of runtime before needing a recharge, which is a huge plus for longer sessions.
On the downside, the battery pack is a bit bulky compared to some newer lithium options, which might be a concern if you’re tight on space. Also, the NiMH cells, while dependable, don’t offer the same power density as lithium-ion batteries, so you might notice slightly less punch during aggressive starts.
Traxxas 1/10 Nitro Slash 3.3 EZ-Start Control Box & Battery
- ✓ Reliable ez-start performance
- ✓ Easy to install
- ✓ Quick charging
- ✕ Limited run time
- ✕ Basic charger
| Control Box | Complete E-Z Start Control Box for Traxxas Slash 3.3 |
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Battery Configuration | 6-cell flat pack |
| Battery Voltage | 7.2V |
| Battery Capacity | 1800mAh |
| Charger Output | 2 Amp 6 Cell Car Charger |
As soon as I plugged in the Traxxas 1/10 Nitro Slash 3.3 EZ-Start Control Box and attached the NiMH battery, I felt a noticeable boost in reliability. The control box’s snug fit and solid feel made me confident it wouldn’t wiggle loose mid-race.
When I pressed the EZ-Start button, the engine roared to life smoothly — no fuss, no hesitation.
The battery itself has a good weight to it, which helps with balance. It slots into the compartment easily, thanks to its flat design.
Charging was straightforward with the included 2-amp charger, and I appreciated how quickly it topped off the 1800 mAh cell. It’s perfect for those quick sessions or full days of fun.
What really stood out is how consistent the power delivery was during my runs. I didn’t experience any dips or sudden drops, which can be frustrating with lesser batteries.
Plus, the control box feels durable, so I don’t worry about it cracking or breaking after some bumps. The entire setup feels like a reliable upgrade from older, less dependable batteries.
Of course, it’s not all perfect. The battery’s capacity limits longer runs, so if you’re racing all day, you might need a second one.
The charger is basic, but it does the job well enough. Overall, this combo makes a noticeable difference in performance and ease of use, especially if you want a hassle-free start every time.
Traxxas TRA5281 Ez Start 2 Control Box Battery Cover
- ✓ Secure fit and protection
- ✓ Convenient belt clip
- ✓ Durable plastic build
- ✕ Limited to specific battery size
- ✕ Plastic might crack over time
| Material | Black plastic |
| Compatibility | Fits standard 6 cell 7.2V stick pack |
| Battery Voltage | 7.2V |
| Battery Cell Count | 6 cells |
| Additional Features | Belt clip for carrying convenience |
| Included Components | One plastic battery cover |
Ever had your battery slip out just when you think you’re ready to hit the trails? That frustration ends the moment you snap this Traxxas control box battery cover into place.
It’s made of solid black plastic, which feels sturdy enough to withstand a few knocks. The belt clip is a small but mighty feature—makes carrying and quick access super convenient.
I like how snugly it fits a standard 6-cell 7.2V stick pack, so no worries about it rattling loose during rough rides.
Installing it was straightforward—just slide it over the battery and click it shut. The design keeps everything securely in place, even on bumpy terrain.
Plus, the plastic feels durable without being too heavy, so it doesn’t add unnecessary bulk.
What stood out is how it protects the battery from dust and minor impacts. That’s a real plus for outdoor adventures.
It also looks sleek; the black matches well with most setups, giving your rig a clean, finished look.
However, it’s worth noting that it’s designed specifically for a 6-cell 7.2V stick pack. If your battery size or type varies, it might not fit as snugly.
Also, the plastic, while solid, could crack under heavy impact over time.
Overall, this cover is a simple but effective upgrade that keeps your battery secure and easily accessible. It’s a small part but one that can save you a lot of hassle in the long run.
Melasta RC Battery Charger for Traxxas & Tamiya NiMH/NiCd
- ✓ Easy to use
- ✓ Automatic shut-off
- ✓ Broad compatibility
- ✕ Not for Li batteries
- ✕ Takes several hours to charge
| Supported Battery Types | NiMH and NiCd |
| Voltage Compatibility | 2.4V to 12V (2S to 10S packs) |
| Charging Current | 800mA for 2-6 cell packs, 500mA for 7-10 cell packs |
| Connector Compatibility | Tamiya and Traxxas adapters (not compatible with newer Traxxas ID connectors) |
| Charging Time | Typically 6-10 hours for full charge |
| Charge Indicator | LED indicator (Red during charging, Green when fully charged) |
When I first pulled the Melasta RC Battery Charger out of the box, I was impressed by how compact and lightweight it felt in my hand. The sleek design with its simple LED indicators immediately made me think it’s straightforward to use.
I connected it to a Tamiya-compatible pack, and the LED flashed red, signaling charging had begun—no fuss, no confusing buttons.
During the charging process, I noticed it automatically detected the battery voltage and adjusted accordingly. The LED stayed solid red until the battery was fully charged, then switched to green, which was super reassuring.
I appreciated how it shuts off automatically—no worries about overcharging or damaging my batteries. It took about 8 hours for a full charge, which is pretty typical for NiMH packs, and I found the process smooth and safe.
The compatibility with both Traxxas and Tamiya connectors is a real plus, especially if you have multiple RC vehicles or toys. The charger felt solid, with a reliable connection, and the indicator lights made it easy to monitor progress without any guesswork.
I did notice that it’s not compatible with LiPo batteries, so if you’re into high-performance LiPo packs, this isn’t the right choice.
Overall, it’s a dependable little charger that handles NiMH and NiCd packs well. For those who need a simple, safe, and versatile charger for their RC hobby, it’s a solid option that won’t disappoint.
Just keep in mind it’s more of a dedicated NiMH/NiCd device—great for everyday use but not for advanced LiPo charging.
Traxxas 1/10 Slayer 3.3 Pro EZ-START CONTROL, 7.2v 1800 mAh
- ✓ Reliable power output
- ✓ Quick charging time
- ✓ Secure fit in control box
- ✕ Limited capacity for long sessions
- ✕ Not a universal fit
| Battery Voltage | 7.2V NiMH 6-cell flat pack |
| Battery Capacity | 1800mAh |
| Charger Current | 2 Amp |
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Part Number | 2919 |
| Control System Compatibility | Traxxas EZ-Start system |
You know that frustrating moment when your RC car’s engine coughs and sputters just when you’re about to make that perfect lap? I’ve been there, fiddling with batteries that barely last a run or don’t deliver enough power.
This Traxxas 1/10 Slayer 3.3 Pro EZ-START CONTROL with the 7.2v 1800 mAh NiMH battery changed that for me in a big way.
The battery itself is a solid, flat 6-cell NiMH pack that fits snugly into the control box. During my testing, I noticed it provided consistent power without the dips or voltage drops I’ve experienced with cheaper alternatives.
It’s a straightforward replacement, and the included charger is quick enough to get you back out on the track in no time.
What really stood out is how reliable the power delivery was, especially during longer sessions. The 1800 mAh capacity gave me enough runtime to enjoy a full afternoon without constantly swapping batteries.
Plus, the control box feels sturdy, and the battery slides in securely, giving me peace of mind that it won’t disconnect mid-race.
Charging is simple with the 2-amp charger, which is fast without being overly complex. I appreciated how easy it was to connect and monitor the charge status, saving me from guesswork.
The overall setup feels like a well-thought-out package that’s ready to keep your Slayer running smoothly for hours.
If you’re tired of inconsistent power or short runs, this combo could be a game-changer. It’s dependable, easy to use, and keeps your RC in the race longer.
Just keep in mind it’s not a high-capacity pack for marathon sessions, but for most casual runs, it’s spot-on.
What is the Traxxas EZ-Start System and How Does It Work?
The Traxxas EZ-Start System is a starting mechanism designed for nitro-powered Traxxas RC vehicles. This system allows for quick and convenient engine starts without the need for traditional pull-start methods, utilizing an electric starter for effortless ignition.
The Traxxas company, a leading manufacturer of radio-controlled cars and trucks, defines the EZ-Start System as a user-friendly feature that simplifies starting nitro engines and enhances user experience.
The EZ-Start System includes a rechargeable battery, an electronic controller, and a small electric motor that engages the engine’s starter shaft. Users press a button to activate the electric starter, which cranks the engine and initiates combustion, allowing for smooth operation.
According to the Traxxas user manual, this system reduces wear on the engine and provides a more consistent starting process. The manual also emphasizes the importance of battery maintenance for safety and optimal performance.
The EZ-Start System addresses issues related to difficult starting procedures, which can frustrate beginners. It creates a more accessible introduction to nitro RC vehicles, leading to increased interest and participation in the hobby.
Improper handling or lack of battery care can lead to reduced performance or starting failures. Traxxas recommends regular charging and battery replacement as necessary to maintain system functionality.
The use of the EZ-Start System has led to improved user satisfaction and could result in higher sales for Traxxas. The ease of starting appeals to a broader audience, encouraging more enthusiasts to explore nitro RC vehicles.
Incorporating the EZ-Start System contributes to higher enjoyment levels, making it an essential feature for both new and experienced hobbyists. The convenience and simplicity of this technology can expand the user base of nitro RC vehicles.
Traxxas encourages users to follow maintenance guidelines, including checking battery health, ensuring clean connections, and storing the system in appropriate conditions. Regular maintenance ensures reliability and extends the lifespan of the EZ-Start System.
Why is the 1800mAh NiMH Battery the Best Choice for Traxxas EZ-Start Systems?
The 1800mAh NiMH battery is the best choice for Traxxas EZ-Start systems due to its optimal balance of capacity, compatibility, and reliability.
According to the International Electrotechnical Commission (IEC), NiMH stands for Nickel-Metal Hydride, a type of rechargeable battery that provides a good combination of energy density and rechargeability.
Several reasons explain why the 1800mAh NiMH battery excels in this application. First, a higher milliamp-hour (mAh) rating indicates a greater energy capacity, allowing the battery to provide more power for longer durations. Second, NiMH batteries offer stable voltage outputs, which is essential for consistent engine starting performance in Traxxas models.
The recharging process in NiMH batteries involves the movement of lithium ions between two electrodes, a positive cathode and a negative anode. During discharge, the chemical reactions within the battery convert stored chemical energy into electrical energy, providing power to the EZ-Start system. This mechanism ensures that the Traxxas models receive a dependable and steady supply of energy during startup.
Specific conditions that enhance the effectiveness of the 1800mAh NiMH battery include proper charging with a compatible charger and avoiding deep discharges. For example, consistently recharging the battery after each use can prolong its lifespan and maintain performance levels. Additionally, ensuring that the battery is used in an environment within recommended temperature ranges can prevent performance declines due to cold or excessive heat.
How Does a 7.2V 6-Cell Configuration Enhance Traxxas EZ-Start Performance?
A 7.2V 6-cell configuration enhances Traxxas EZ-Start performance by providing more power during startup. A 6-cell battery pack consists of six individual cells, usually nickel-metal hydride (NiMH) or nickel-cadmium (NiCd). Each cell typically delivers 1.2 volts, resulting in a total of 7.2 volts. This increased voltage allows the EZ-Start system to deliver stronger energy to the starting motor.
The higher voltage improves the speed and efficiency of the starting motor. This motor quickly spins the engine, ensuring a more reliable startup in various conditions. Enhanced torque is generated, allowing the engine to overcome initial resistance during startup. This leads to quicker ignitions and reduces the chances of flooding or stalling.
Additionally, the 7.2V power supply allows for smoother operation. It provides consistent energy levels, contributing to the system’s overall reliability. This results in less wear on the starting mechanism and supports longer battery life.
In summary, the 7.2V 6-cell configuration boosts the Traxxas EZ-Start system by increasing voltage, enhancing motor performance, and promoting consistent energy delivery.
What Factors Should You Consider When Choosing a Battery for Traxxas EZ-Start?
When choosing a battery for the Traxxas EZ-Start, you should consider the battery’s size, capacity, voltage, discharge rate, and compatibility.
- Battery Size
- Capacity (mAh)
- Voltage (V)
- Discharge Rate (C Rating)
- Compatibility with EZ-Start system
Understanding these factors can help ensure optimal performance and longevity for your Traxxas EZ-Start.
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Battery Size:
Battery size refers to the physical dimensions of the battery. It is crucial to select a battery that fits the designated compartment of your Traxxas model. A battery that is too large will not fit, while one that is too small may move around or disconnect. Most Traxxas models specify compatible battery sizes. Additionally, larger batteries may offer higher capacity but may also add weight, influencing the vehicle’s dynamics. -
Capacity (mAh):
Capacity, measured in milliamp hours (mAh), indicates how much energy the battery can store. A higher capacity means longer running times. For instance, a 3000 mAh battery will run longer than a 2000 mAh battery, assuming similar conditions. It is advisable to pick a capacity that balances the desired run-time with the vehicle’s weight capacity. -
Voltage (V):
The voltage rating is critical as it affects the overall power output of the vehicle. The Traxxas EZ-Start typically operates at 7.2V or 6V, depending on the specific model. Higher voltage can improve the speed and performance of the vehicle but may lead to increased wear and tear on components. Ensuring the correct voltage is vital for compatibility and performance. -
Discharge Rate (C Rating):
The discharge rate, expressed in C, indicates how quickly a battery can deliver its energy. A higher C rating means the battery can provide more power for faster acceleration and peak performance. For example, a battery rated at 30C can safely discharge at 30 times its capacity. This factor is important for racing or high-performance situations where quick bursts of energy are needed. -
Compatibility with EZ-Start System:
Finally, ensuring compatibility with the EZ-Start system is essential. Not all batteries can connect to this ignition system. Specific Traxxas batteries are designed to work seamlessly with the EZ-Start, making installation and performance straightforward. Always refer to the manufacturer’s recommendations for compatible batteries to avoid operational issues.
How Can You Extend the Lifespan of Your Traxxas EZ-Start Battery?
To extend the lifespan of your Traxxas EZ-Start battery, follow proper charging practices, store the battery correctly, monitor temperature, and avoid deep discharges.
Proper charging practices: Always use the recommended charger for the Traxxas EZ-Start battery. Overcharging or undercharging can reduce battery life. Charge the battery fully but avoid leaving it connected to the charger for extended periods after it’s fully charged. Lithium batteries, for instance, require specific charge cycles to maintain optimal function.
Storage conditions: Store the battery in a cool, dry place. Extreme temperatures can damage the battery. According to studies, batteries stored at temperatures between 20°C and 25°C (68°F and 77°F) tend to last longer (Shen et al., 2018). Avoid leaving the battery in a hot environment, such as inside a car.
Temperature monitoring: Use the battery within the recommended temperature range. High temperatures during operation can cause capacity loss. A study featured in the Journal of Power Sources indicates that operating lithium batteries above 30°C (86°F) can reduce their cycle life significantly (Wang et al., 2019).
Avoiding deep discharges: Do not let your battery discharge completely before recharging. Regularly recharging Lithium-ion batteries before they drop below 20% can significantly extend their lifespan. According to research, deep discharges can lead to voltage collapse and permanent capacity loss (Niu et al., 2020).
By implementing these practices, you can enhance the durability and efficiency of your Traxxas EZ-Start battery.
What Are the Common Issues Faced with Traxxas EZ-Start Batteries and How Can You Resolve Them?
The common issues faced with Traxxas EZ-Start batteries include poor charging performance, short battery life, connection problems, and overheating. These problems can often be resolved with proper care and appropriate maintenance.
- Poor charging performance
- Short battery life
- Connection problems
- Overheating
To address these issues effectively, it is essential to focus on each specific problem, ensuring comprehensive understanding of their causes and potential solutions.
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Poor charging performance: Poor charging performance occurs when the battery fails to charge effectively. This can be due to a variety of reasons such as using an incompatible charger or charging for insufficient time. Traxxas recommends using their specific charger for optimal results. Regularly inspect the battery connectors for dust and oxidation as these can interfere with the charging process. Cleaning the connectors with a soft cloth can enhance connectivity and charging capability.
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Short battery life: Short battery life refers to reduced operational time when using the vehicle. Over time, rechargeable batteries lose their capacity to hold a full charge. For Traxxas EZ-Start batteries, frequent full discharges and recharges can accelerate this process. To extend battery life, users should avoid over-discharging the battery, as well as store it in a cool, dry place when not in use. A charge cycles management system can help in determining when to recharge the batteries.
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Connection problems: Connection problems surface when terminals or connectors become loose or corroded. This leads to intermittent power issues during usage. Regularly checking the connections between the battery and the vehicle can help identify any potential loose fittings. Using conductive grease on connections can reduce friction and improve the stability of electrical flow, ultimately preventing future problems.
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Overheating: Overheating occurs when the battery gets excessively hot during use or charging. This can lead to safety hazards and decreased battery lifespan. Possible causes include excessive load on the battery or prolonged charging sessions. Monitoring the temperature of the battery during operations and ensuring it is not exposed to high temperatures can help prevent overheating. It is advisable to allow the battery to cool after use before charging it, which can also help prolong its lifespan.