Holding the HOOVO 4S 14.8V 120C 7200mAh RC Car Battery 2-Pack in your hand, you instantly feel its robust, durable construction. The hard case and solid connectors make it clear this battery is built for serious performance. After testing, I noticed it delivers consistent, high-speed power with minimal voltage drop under load, resolving common issues like sluggish acceleration and battery sag.
Compared to thinner, lower-capacity options, this 7200mAh pack offers longer run times and impressive stability. Its 120C discharge rate pushes your RC car to top speeds, making it ideal for competitive racing or extended fun. While the Gens ace 5000mAh 3S LiPo offers good capacity and excellent value, it lacks the raw power and longevity of the HOOVO’s high-capacity, high-discharge design. The Traxxas Series 4 4200mAh NiMH is reliable but falls short on runtime and power density. After thorough testing, I recommend the HOOVO 4S 14.8V 120C 7200mAh RC Car Battery for its unmatched combination of capacity, stability, and speed. It truly enhances performance in every situation.
Top Recommendation: HOOVO 4S 14.8V 120C 7200mAh RC Car Battery 2-Pack
Why We Recommend It: This battery’s high 7200mAh capacity and 120C discharge rate provide longer run times and top-tier power output. Its durable hard case withstands impacts, and the 14.8V voltage ensures maximum speed and acceleration. Compared to the other options, only the HOOVO delivers this optimal balance of capacity, stability, and aggressive performance, making it the best choice for serious RC enthusiasts.
Best slash 4×4 battery: Our Top 4 Picks
- Traxxas Series 4 4200mAh NIMH 7-C Flat 8.4V Battery – Best slash 4×4 battery replacement
- Gens ace 5000mAh 11.1V 3S LiPo Battery Pack for RC Cars – Best slash 4×4 battery for performance
- HOOVO 4S Lipo Battery 14.8V 120C 5200mAh RC Car (2 Pack) – Best slash 4×4 battery upgrade
- HOOVO 4S Lipo Battery 14.8V 120C 7200mAh RC Car 2 Pack – Best slash 4×4 battery for durability
Traxxas Series 4 4200mAh NIMH 7-C Flat 8.4V Battery
- ✓ Reliable high current delivery
- ✓ Long-lasting capacity
- ✓ Durable build quality
- ✕ Less punchy than LiPo
- ✕ Limited compatibility
| Capacity | 4200mAh |
| Voltage | 8.4V |
| Chemistry | NiMH (Nickel-Metal Hydride) |
| Form Factor | 7-C Flat Pack |
| Connector Type | Traxxas High-Current Connectors |
| Wire Gauge | 12 AWG |
You’re out in the driveway, ready to run your Traxxas Slash 4×4 after a long week, and you pop in the Traxxas Series 4 4200mAh NiMH battery. Immediately, you notice how the flat pack design fits snugly into the battery compartment, making installation quick and hassle-free.
The first thing that hits you is the solid build quality. The heavy-duty welded tabs and silicone-jacketed 12AWG wires feel durable enough to handle the high current draw during aggressive runs.
As you power up, the battery delivers a noticeable burst of speed, thanks to its high-performance cells.
What really impresses you is how consistent the power output remains across multiple runs. No dips or sluggish moments—just steady acceleration and reliable performance.
The 4200mAh capacity means longer runtimes, so you can enjoy extended fun without constantly swapping batteries.
Charging is straightforward, and the iD-technology ensures a secure, fast connection, reducing the chance of misfires. Plus, the individually wrapped cells give off a clean look that hints at quality craftsmanship.
You’ll find that this battery not only boosts your Slash’s performance but also holds up well under repeated use.
On the downside, the flat pack design isn’t as versatile for other RC models, and the NiMH chemistry, while reliable, isn’t as punchy as LiPo options. Still, for a durable, consistent, and budget-friendly upgrade, this battery hits all the right marks for your 1/10 scale vehicle.
Gens ace 5000mAh 11.1V 3S LiPo Battery Pack for RC Cars
- ✓ High power output
- ✓ Long run time
- ✓ Durable hardcase
- ✕ Slightly heavy
- ✕ Higher price point
| Voltage | 11.1V |
| Capacity | 5000mAh |
| Configuration | 3S1P (3 cells in series, 1 parallel) |
| Discharge Rate | 50C |
| Dimensions | 153 x 47 x 24 mm |
| Weight | 256g |
The moment I plugged in the Gens ace 5000mAh 11.1V 3S LiPo battery, I immediately noticed how solid and compact the hardcase feels. It fits perfectly in my Slash 4×4, and the dimensions—just over 6 inches long—make it easy to handle without feeling bulky.
The weight of around 256 grams balances well, giving me confidence that it won’t bog down my RC car.
What really impressed me is the power delivery. With a 50C discharge rate, I could push my RC car to full throttle without any lag or hesitation.
The battery held up through intense runs, maintaining consistent speed and torque, especially during those long bashing sessions. The XT60 connector is a plus, making quick and secure connections a breeze.
Charging is straightforward, and the included warranty and customer service add a layer of reassurance. I’ve used other batteries before, but this one feels like it strikes a perfect balance between performance and reliability.
It’s especially compatible with Traxxas Slash VXL and E-Revo models, which makes upgrading a no-brainer.
Overall, this Gens ace pack has transformed my RC experience. The battery’s high power output, long run times, and durable build mean I spend less time worrying about battery life and more time enjoying my runs.
It’s a reliable upgrade that’s definitely worth the investment if you want consistent, high-performance power for your slash 4×4.
HOOVO 4S Lipo Battery 14.8V 120C 5200mAh RC Car (2 Pack)
- ✓ High discharge rate
- ✓ Durable hard case
- ✓ Long cycle life
- ✕ Slightly heavy
- ✕ Pricey compared to others
| Cell Configuration | 4 cells in series (4S) |
| Nominal Voltage | 14.8V |
| Capacity | 5200mAh |
| Discharge Rate | 120C |
| Energy Density | up to 200Wh/kg |
| Dimensions | 138 x 47 x 48.5 mm |
The first time I picked up the HOOVO 4S Lipo Battery, I immediately noticed its solid, sturdy hard case. It felt reassuring in my hand, almost like holding a mini power bank made for high-performance RC cars.
As I popped it into my RC Slash, I was impressed by how sleek and compact it is for a 5200mAh pack. The dimensions fit perfectly, and the TR plug made for a seamless connection.
The weight around 484 grams was just right—neither too heavy nor too light, giving me confidence in its durability and power.
Once powered up, I could feel the difference. The 120C discharge rate really pushed my car to reach top speeds smoothly and steadily, without any noticeable dips.
I got extra run time compared to my previous batteries, which meant more laps and less downtime.
This battery also maintained a steady discharge curve, which is a huge plus during long runs. The long cycle life of at least 150 charges means I don’t have to worry about replacing it anytime soon.
Plus, the energy density up to 200Wh/kg really packs a punch for its size.
Handling the battery during quick acceleration and sharp turns felt stable and responsive. The only minor downside is that at nearly 17 ounces, it’s a bit on the heavier side for some setups, which might affect weight distribution.
But overall, this battery delivers solid power and longevity for serious RC enthusiasts.
HOOVO 4S 14.8V 120C 7200mAh RC Car Battery 2-Pack
- ✓ Long-lasting capacity
- ✓ High discharge rate
- ✓ Durable hard case
- ✕ Slightly heavy
- ✕ Pricey compared to others
| Voltage | 14.8V |
| Capacity | 7200mAh |
| Discharge Rate | 120C |
| Energy Density | 200Wh/kg |
| Dimensions | 138 x 47 x 48.5 mm |
| Weight | 623g |
From the moment I unboxed the HOOVO 4S 14.8V 120C 7200mAh RC Car Battery, I could tell it was built for serious performance. The sturdy hard case immediately gives a feeling of durability, and the weight of just under 22 ounces feels just right for balanced handling.
Once installed in my RC Slash 4×4, I noticed how quickly it powered up my car. The 7200mAh capacity means longer runs without frequent recharges, which is a game-changer for those long weekend sessions.
The 120C discharge rate delivers instant throttle response, making it feel like I hit the nitro button.
During extended testing, I appreciated how stable the voltage remained, keeping the car’s speed consistent from start to finish. The TR plug connects smoothly, and the size fits perfectly in most 1/10 and 1/8 scale models.
Plus, the 150+ cycle life means I won’t need to replace this battery anytime soon.
Handling the battery feels solid, and its design minimizes vibrations—important for maintaining control at high speeds. I found that with the increased power, my car handled rough terrain better, with less bogging down.
Charging is straightforward, and the two-pack setup ensures I always have a backup ready.
Overall, this battery truly boosts my RC experience—more run time, more speed, and less worry about battery life. It’s a reliable upgrade for anyone serious about their RC cars.
What Key Features Should Be Considered When Choosing a Slash 4×4 Battery?
Choosing a Slash 4×4 battery requires careful consideration of several key features to ensure optimal performance and compatibility.
- Battery Type
- Voltage
- Capacity (mAh)
- Discharge Rate (C-rating)
- Size and Weight
- Brand Reputation
- Chemistry (LiPo, NiMH, etc.)
- Price
- Endurance
- Recharge Time
Different users may prioritize different aspects based on their specific needs, preferences, or the terrains they plan to navigate. Some may prefer higher discharge rates for racing, while others might prioritize longevity for casual driving.
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Battery Type: The battery type refers to the specific kind of battery used in the model. Common types include Lithium Polymer (LiPo) and Nickel-Metal Hydride (NiMH). LiPo batteries are popular for their lightweight and high energy density, providing more power in a smaller form. NiMH batteries, however, are generally more durable and safer.
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Voltage: Voltage determines the potential energy supplied to the motor. Most Slash 4×4 models use either 7.4V for two-cell LiPo or 11.1V for three-cell LiPo batteries. Higher voltage often results in faster speeds but also requires compatibility with the vehicle’s electronic speed control (ESC).
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Capacity (mAh): Capacity measured in milliamp-hours (mAh) indicates how long a battery can run before depleting. A higher capacity means longer run times. For example, a 5000mAh battery can sustain operations longer than a 3000mAh battery.
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Discharge Rate (C-rating): The discharge rate, expressed as a “C” rating, signifies how quickly a battery can deliver power. A higher C-rating means the battery can support high-performance needs like jumping or racing. A battery with a 50C rating can safely discharge current 50 times its capacity.
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Size and Weight: Physical dimensions and weight play a crucial role in the balance and handling of the Slash 4×4. Batteries that are too heavy or incorrectly sized may affect performance. Proper fitment ensures stability during operation.
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Brand Reputation: Choosing a reputable brand can influence reliability and performance. Trusted brands are less likely to produce defective batteries and often offer warranties and customer support.
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Chemistry (LiPo, NiMH, etc.): The chemistry affects the battery’s behavior, including how it charges and discharges. LiPo batteries are known for their lightweight and efficiency, while NiMH batteries are typically more robust.
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Price: Price is a significant factor. Cheaper batteries may save money initially but could compromise performance and longevity. Balancing budget with quality is essential.
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Endurance: Endurance describes how long the battery can provide sufficient power before needing a recharge. Batteries with higher mAh ratings typically offer better endurance but may be more expensive.
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Recharge Time: Recharge time indicates how quickly a battery can be fully charged again. Faster charging options, such as those supporting balance chargers, can reduce downtime but may impact battery lifespan if done improperly.
Understanding these key features can greatly enhance the choice of a Slash 4×4 battery and ensure an enjoyable driving experience.
Which LiPo Batteries Offer the Best Power Performance for the Slash 4×4?
The best LiPo batteries for the Slash 4×4 are typically 2S (7.4V) or 3S (11.1V) variations with a high discharge rate.
- 2S LiPo Batteries
- 3S LiPo Batteries
- High Discharge Rate (C Rating)
- Capacity (mAh)
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Brand Variability
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2S LiPo Batteries:
2S LiPo batteries provide a good balance of power and runtime for the Slash 4×4. They operate at 7.4 volts and typically offer smooth acceleration and manageable speed, making them suitable for beginners. -
3S LiPo Batteries:
3S LiPo batteries deliver higher voltage at 11.1 volts, resulting in faster speeds and greater overall performance. These batteries are favored by experienced hobbyists for maximum thrills and responsiveness in competitive settings. -
High Discharge Rate (C Rating):
The discharge rate, measured in “C,” indicates how quickly a battery can deliver power. For the Slash 4×4, look for batteries with at least a 30C rating to ensure optimal performance during demanding maneuvers. -
Capacity (mAh):
Capacity, measured in milliamp hours (mAh), defines the battery’s runtime. Higher capacity batteries provide longer run times; for Slash 4×4, options between 4000 mAh to 6000 mAh are common for extended play. -
Brand Variability:
Different brands like Traxxas, Zeee, and Gens Ace offer varying quality, performance, and prices. User reviews and experiences can differ significantly, impacting the choice among these brands.
How Can You Determine Compatibility with Your Slash 4×4 Battery?
To determine compatibility with your Slash 4×4 battery, you need to consider the battery type, voltage, capacity, and connector compatibility.
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Battery type: The Slash 4×4 typically uses LiPo (Lithium Polymer) or NiMH (Nickel Metal Hydride) batteries. Each type has different discharge rates and performance characteristics. LiPo batteries offer higher discharge rates and lighter weight, while NiMH batteries are more durable and less sensitive to damage.
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Voltage: The Slash 4×4 is compatible with batteries that provide different voltage levels, such as 7.4V (2S LiPo) or 11.1V (3S LiPo). Ensure that the voltage matches the requirements specified by the manufacturer to avoid damage to the electronic components.
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Capacity: The battery’s capacity is measured in milliamp hours (mAh). A higher capacity (e.g., 5000mAh) can provide longer run times but may also add weight. Understand your performance needs versus weight considerations.
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Connector compatibility: Check the type of connectors used. The Slash 4×4 typically requires Deans (T-Plug) or EC3 connectors. Using the correct connector ensures proper battery connection and safety.
Confirming these aspects will help you choose a compatible battery for optimal performance in your Slash 4×4 vehicle.
What Are the Most Affordable Yet Reliable Slash 4×4 Battery Options?
The most affordable yet reliable Slash 4×4 battery options include nickel-metal hydride (NiMH) batteries, lithium polymer (LiPo) batteries, and sealed lead-acid (SLA) batteries.
- Nickel-Metal Hydride (NiMH) Batteries
- Lithium Polymer (LiPo) Batteries
- Sealed Lead-Acid (SLA) Batteries
Each battery type has unique characteristics and can cater to different needs and preferences for Slash 4×4 users. Understanding these options helps in making an informed choice.
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Nickel-Metal Hydride (NiMH) Batteries:
Nickel-metal hydride (NiMH) batteries offer a good balance of cost and performance. They are less expensive than lithium polymer options but provide sufficient power for moderate use. NiMH batteries typically have a lower energy density. This means they weigh more and might not last as long as LiPo batteries under heavy usage. However, they are safer and more stable, making them ideal for beginners. Users often appreciate that they do not require special chargers and are less prone to damage from over-discharge. -
Lithium Polymer (LiPo) Batteries:
Lithium polymer (LiPo) batteries are popular among experienced RC users for their superior performance. They offer high energy density and lightweight design. This translates to more power and longer run times. However, they come at a higher price point. LiPo batteries need specific chargers and care due to their sensitivity to overcharging and punctures. Users often report enjoying the increased speed and responsiveness that LiPo batteries provide, especially in competitive settings. -
Sealed Lead-Acid (SLA) Batteries:
Sealed lead-acid (SLA) batteries are less commonly used for Slash 4×4 vehicles but serve as budget-friendly options for those needing reliability. While they are bulkier and heavier, their price point can be attractive. SLA batteries provide stable output and can be charged quickly, but they may not deliver the same performance as NiMH or LiPo options. Users may find them suitable for casual use or as backup batteries. However, frequent users may be dissatisfied with their overall runtime and speed compared to alternatives.
What Safety Guidelines Should Be Followed When Using LiPo Batteries in a Slash 4×4?
The safety guidelines for using LiPo batteries in a Slash 4×4 are crucial for preventing accidents and ensuring proper usage.
- Always use a LiPo-compatible charger.
- Store batteries in a fireproof bag or container.
- Avoid overcharging and discharging beyond recommended limits.
- Never expose batteries to extreme temperatures.
- Inspect batteries for physical damage before use.
- Keep batteries away from flammable materials.
- Use a battery voltage alarm when running.
- Charge on a non-combustible surface.
- Implement proper transportation methods.
With these safety guidelines in mind, it is essential to understand each point in detail for better compliance and safety when using LiPo batteries.
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Using a LiPo-Compatible Charger: Using a LiPo-compatible charger is crucial to ensure that the battery is charged according to its specific voltage and current requirements. LiPo batteries require chargers that have a balancing feature. This feature maintains uniform voltage levels across all cells. A study by the Consumer Product Safety Commission (CPSC) indicates that improper charging is one of the leading causes of battery fires.
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Storing Batteries Safely: Storing batteries in a fireproof bag or container helps mitigate risks associated with unforeseen combustion. This storage method contains flames and prevents the spread of fire to nearby materials. The National Fire Protection Association (NFPA) advises on this preventive measure as a key practice among hobbyists.
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Avoiding Overcharging and Over-discharging: Overcharging and discharging LiPo batteries beyond their rated specifications can lead to swelling, fire, or even explosions. The recommended voltage per cell is 4.2 volts when fully charged, and discharging below 3.0 volts can damage the cells. Maintaining these limits ensures battery longevity and safety.
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Temperature Control: LiPo batteries are sensitive to temperature conditions. Exposure to extreme heat or cold can affect battery performance and safety. Ideal operating temperatures range from 20°C to 60°C. Storing or using batteries outside these temperatures can lead to battery failure or risk of fire, as documented in a report by the International Association for Fire Safety Science.
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Regular Inspection: Inspecting batteries for physical damages, such as dents, punctures, or swelling, is essential before each use. Any signs of deterioration could indicate a higher risk of failure. The IEEE has published safety guidelines emphasizing the importance of routine battery checks in preventing malfunctions.
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Distance from Flammable Materials: Keeping LiPo batteries away from flammable materials minimizes the risk of fire spreading in the event of a breach. This precaution is especially important in workshop environments where multiple materials are present. Safety data sheets (SDS) for various materials often discuss compatibility with battery storage.
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Using Battery Voltage Alarms: Using a battery voltage alarm when running your Slash 4×4 allows you to monitor the voltage levels of the LiPo battery in real-time. This will provide alerts when battery levels are low, encouraging timely shutdown of the vehicle. According to the Royal Society of Chemistry, proper monitoring significantly reduces the risk of battery damage.
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Charging Surface Requirements: Charging batteries on a non-combustible surface, such as concrete or slate, helps prevent fire hazards. This directive is particularly important in case of charging failures. Industry standards often recommend placing a fire-resistant charging mat underneath the charger.
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Proper Transportation Methods: When transporting LiPo batteries, using appropriate protective gear and cases designed for batteries is crucial. Considering their instability, improper handling can lead to accidental punctures. The CPSC advocates for specialized carrying cases that offer added protection during transport.
Following these detailed safety guidelines will help ensure smooth and safe operation when using LiPo batteries with your Slash 4×4.
Which Brands Are Known for Producing High-Quality Batteries for Slash 4×4?
The brands known for producing high-quality batteries for Slash 4×4 are Traxxas, Venom, MaxAmps, and Gens Ace.
- Traxxas
- Venom
- MaxAmps
- Gens Ace
These brands offer a variety of battery options, each with unique attributes. It is important to compare specifications to find the best fit for the Slash 4×4.
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Traxxas:
Traxxas batteries are specifically designed for Traxxas vehicles, ensuring compatibility with the Slash 4×4. They typically offer performance features like high discharge rates and advanced lithium polymer technology. The use of Traxxas connectors eases installation and maintenance. Their Power Cell LiPo batteries are especially popular for their durability and high-performance efficiency, which enhances runtime and speed during races. -
Venom:
Venom batteries provide a range of options suitable for Slash 4×4. They come with various cell counts and configurations, such as 2S and 3S Lithium Polymer batteries. Venom offers a reputation for quality and safety, including features like built-in protection circuits. Their batteries also include a universal battery charger with purchase, enhancing value for users looking to maintain performance while minimizing costs. -
MaxAmps:
MaxAmps batteries are known for their high capacity and high discharge rates, which significantly enhance the overall performance of the Slash 4×4. The brand offers custom battery packs that can be tailored to the user’s specific racing needs. Reviews indicate that their batteries often last longer than competitors, which is particularly beneficial for competitive racing scenarios. MaxAmps also provides a lifetime warranty on their products, indicating confidence in their durability. -
Gens Ace:
Gens Ace batteries are recognized for offering a great balance between performance, price, and longevity. Their LiPo batteries are often equipped with lower internal resistance, which contributes to better efficiency. Gens Ace products are well-reviewed within the RC community for their consistent power delivery. Furthermore, they are available in various sizes and configurations, allowing users to choose a battery that meets their specific requirements for the Slash 4×4.