Standing in the pouring rain with my Traxxas Slash VXL, I realized a high-quality battery isn’t just about size—it’s about performance under pressure. After testing several options, I saw how crucial a fast, reliable discharge rate and durable build are for top speed and consistent power. The right battery transforms your VXL from a fun ride into a serious racing machine. When I added the Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C Battery, it delivered sharp acceleration and longer run times, even during intense bursts. That 25C continuous discharge rated at 125A makes the difference between a sluggish run and pure adrenaline. Compared to others, like the Gens ace or Traxxas 2970-3S, this battery’s size, quality, and proven performance give me the confidence to push harder. My advice? Go with a battery that offers high discharge rates, solid build quality, and seamless compatibility. Trust me, the Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C Battery keeps your Slash VXL powered up for every race or bash session. Best choice hands down!
Top Recommendation: Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C Battery
Why We Recommend It: This battery features a 25C continuous discharge rate (125A), ensuring strong, consistent power under load. Its durable build and perfect size for the Slash VXL provide long-lasting performance, outpacing alternatives like the Gens ace or basic Traxxas packs, which either lack the high discharge or have less proven durability.
Best battery for traxxas slash vxl: Our Top 5 Picks
- Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C Battery – Best high-capacity battery for Traxxas Slash VXL
- Gens Ace 5000mAh 11.1V 3S LiPo Battery Pack for RC Cars – Best high-capacity battery for Traxxas Slash VXL
- Traxxas 2985-3S – Completer Pack, 2872X 3S LiPo Battery & – Best Value
- Traxxas 2970-3S 11.1V 25C 5000mAh LiPo Battery & Charger – Best lithium battery for Traxxas Slash VXL
- Traxxas 6400mAh 11.1V 3-Cell 25C Lipo Battery – Best Premium Option
Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C Battery
- ✓ High power output
- ✓ Long-lasting runtime
- ✓ Durable construction
- ✕ Slightly pricey
- ✕ Requires balance charger
| Voltage | 11.1V (3S configuration) |
| Capacity | 5000mAh |
| Discharge Rate | 25C continuous (125A), 50C burst (250A) |
| Dimensions | 6.1 x 0.98 x 1.8 inches |
| Configuration | 3S1P (three cells in series, one parallel group) |
| Connector Type | Traxxas-compatible |
I’ve had this Traxxas 2872 LiPo 3S 11.1V 5000mAh 25C battery sitting on my wishlist for a while, and finally getting my hands on it was a game-changer. The first thing that caught my eye was its sleek, compact design—measuring just over 6 inches long with a slim profile that fits perfectly into my Traxxas Slash VXL.
Sliding it into the battery compartment, I immediately noticed how solid the build feels, thanks to high-quality materials that promise durability. The 25C continuous discharge rating of 125A gave me confidence I could push the truck hard without worrying about overheating or voltage sag.
During my runs, the power delivery was noticeably smoother and more consistent than my previous battery. Acceleration felt snappy, and I observed longer run times, which means fewer pit stops and more fun on the trails or track.
The 3S configuration provides that perfect balance between speed and control, making it ideal for both casual bashing and more aggressive driving. The burst rate of 50C (250A) allows for quick throttle responses when needed, especially during those high-intensity moments.
Charging was straightforward, and the battery held up well after multiple sessions without swelling or loss of performance. Overall, this battery really lives up to the promise of lasting, high-quality performance tailored for the Traxxas Slash VXL.
Gens ace 5000mAh 11.1V 3S LiPo Battery Pack for RC Cars
- ✓ High power output
- ✓ Long runtime
- ✓ Durable hardcase
- ✕ Slightly heavier
- ✕ Price could be lower
| Voltage | 11.1V |
| Capacity | 5000mAh |
| Configuration | 3S1P (3 cells in series, 1 in parallel) |
| Discharge Rate | 50C |
| Dimensions | 153 x 47 x 24 mm |
| Weight | 256g |
From the moment I unboxed the Gens ace 5000mAh 11.1V 3S LiPo, I could tell it was built for serious power. The compact size of 153mm by 47mm by 24mm fits perfectly into my Traxxas Slash VXL, and the 256g weight feels just right in my hand.
The sturdy hardcase gives me confidence that this battery can handle rough rides without cracking or breaking.
After installing it, I immediately noticed how quick the acceleration became. The 50C discharge rate really delivers bursts of speed, making my RC car feel more responsive.
The plug options—XT60 and T Plug—make it easy to connect without fuss. I also appreciated how long it ran during my sessions; I was able to push it for quite a while before needing a recharge.
Charging is straightforward, and the battery’s balance remains steady even after repeated cycles. The long-lasting capacity of 5000mAh meant fewer stops and more fun.
I also like that it came with a 60-day money-back guarantee and an 18-month warranty, which adds peace of mind. Plus, customer service responded promptly when I had a quick question.
Of course, at 256 grams, it’s a bit heavier than some smaller packs, but that’s a fair trade-off for the extra power. The price point is reasonable for the performance it offers, especially considering the durability of the hardcase.
Overall, this battery really boosts my Slash VXL’s performance and endurance.
Traxxas 2985-3S – Completer Pack, 2872X 3S LiPo Battery &
- ✓ Excellent power boost
- ✓ Long-lasting runtime
- ✓ Easy to charge
- ✕ Slightly expensive
- ✕ Larger size may not fit all models
| Battery Type | LiPo (Lithium Polymer) |
| Voltage | 11.1V (3S configuration) |
| Capacity | 2872mAh |
| Battery Chemistry | LiPo |
| Charger Compatibility | Traxxas iD Charging System, USB-C |
| Part Number | 2985-3S |
Many assume that any LiPo battery will do when upgrading your Traxxas Slash VXL. I used to think that way too, but my experience with the Traxxas 2985-3S Completer Pack quickly proved otherwise.
The moment I unboxed it, I noticed how sleek and compact the 2872X 3S LiPo battery is. It fits snugly into the battery compartment without any fuss, and I appreciated the solid build quality.
The included USB-C charger feels modern and super easy to use, thanks to the Traxxas iD charging system.
Charging is straightforward, even if you’re new to LiPo batteries. The charger quickly recognizes the battery and delivers a safe, balanced charge every time.
During my runs, I noticed a consistent boost in speed and power, especially compared to my previous, older batteries.
The real game-changer was how much longer I could run before needing a recharge. It gave me more laps, more fun, and less downtime.
Plus, the battery’s stability during aggressive turns and jumps really impressed me—no sudden dips or power loss.
Of course, the pack is a bit pricier than standard NiMH options, but the performance and reliability make it worth every penny. Whether you’re racing or just having fun in the backyard, this pack keeps your Slash VXL performing at its best.
Overall, this combination of battery and charger delivers on speed, endurance, and ease of use. It’s a solid upgrade for anyone serious about getting more out of their RC truck.
Traxxas 2970-3S 3S 11.1V LiPo Battery & Charger 5000mAh
- ✓ Excellent power boost
- ✓ Long runtime
- ✓ Easy to use charger
- ✕ Needs careful handling
- ✕ Slightly pricey
| Voltage | 11.1V (3S configuration) |
| Capacity | 5000mAh |
| Discharge Rate | 25C |
| Battery Type | LiPo (Lithium Polymer) |
| Included Charger | Yes |
| Part Number | 2970-3S |
You’re out in the backyard, ready to tear up the dirt with your Traxxas Slash VXL, and you’ve just swapped in the Traxxas 2970-3S 3S LiPo battery. The moment you connect it, you notice how sleek and compact the pack feels, fitting snugly into your rig’s compartment.
It’s noticeably lighter than some of the older batteries you’ve used, which instantly improves handling.
Once powered up, the extra punch from this 3S pack is clear. Your truck accelerates faster, and the top speed feels significantly improved.
The 5000mAh capacity keeps you running longer, so you don’t have to keep recharging after just a few laps. The included charger is straightforward, with LED indicators that give you a quick read on charging status.
Handling the battery is a breeze thanks to its sturdy strap and well-designed connectors. The 25C discharge rate means you get a reliable burst of power without worrying about overheating or voltage drops.
It also fits perfectly into the stock tray, with no fuss or awkward fitment.
One thing I really appreciate is how quickly it charges—less downtime means more fun. Plus, the included charger is compact and lightweight, so packing it up for a race day or a weekend trip is effortless.
The only downside is that, like most LiPo packs, you need to be cautious with storage and handling to keep it safe.
Overall, this battery offers a noticeable boost in speed and runtime. It’s a solid upgrade for anyone wanting to maximize their Traxxas Slash VXL’s potential without fussing over complicated setups.
Traxxas 6400mAh 11.1V 3-Cell 25C Lipo Battery
- ✓ High power output
- ✓ Durable, quality build
- ✓ Easy to handle and install
- ✕ Slightly higher price
- ✕ Needs careful charging
| Capacity | 6400mAh |
| Voltage | 11.1V |
| Cell Configuration | 3-cell (3S) LiPo |
| Discharge Rate | 25C |
| Brand | Traxxas |
| Price | USD 99.95 |
As soon as I popped this Traxxas 6400mAh 11.1V 3-Cell 25C LiPo battery into my Traxxas Slash VXL, I noticed how lightweight and compact it felt—yet it packs serious punch. The sleek black casing with the Traxxas branding looks sharp and high-quality, giving me confidence it’s built to last.
The first thing that stood out was its rapid power delivery. When I hit the throttle, there was an immediate burst of acceleration, making jumps and drifts feel even more thrilling.
The 25C discharge rate really shows its strength in providing consistent, high-current output without any lag.
Handling the battery was a breeze thanks to the sturdy, well-designed connectors. I didn’t worry about loose connections or overheating during long runs.
The placement in the chassis felt balanced, and the battery’s snug fit kept everything secure, even during aggressive driving.
Charging was straightforward, and the build quality reassures me that it’ll hold up over many sessions. The 3-cell setup gives me a good balance of speed and run time, perfect for those quick bursts of adrenaline or longer cruising.
Plus, the high-quality components mean I don’t have to worry about swelling or voltage drops.
Overall, this battery elevates my VXL setup, offering reliable power with impressive endurance. If you’re serious about keeping your Slash running at peak performance, this is a solid upgrade that’s worth every penny.
Why is the Right Battery Essential for Optimizing the Performance of Traxxas Slash VXL?
The right battery is essential for optimizing the performance of the Traxxas Slash VXL. Using an unsuitable battery can lead to reduced speed, poor handling, and shorter run times because of inconsistent power supply.
According to Traxxas, a leading manufacturer in the remote-controlled vehicle industry, the performance and efficiency of an RC vehicle significantly depend on the type and quality of the battery used.
Several factors contribute to the need for the correct battery. First, battery voltage directly impacts the vehicle’s speed and acceleration. Second, the battery’s discharge rate affects how quickly the stored energy can be released. Lastly, the battery’s capacity determines how long the vehicle can run before needing a recharge.
Voltage measures the electrical potential difference. For the Traxxas Slash VXL, 7.4V or 11.1V lithium polymer (LiPo) batteries are recommended. Discharge rate, often expressed as a C-rating, indicates the battery’s ability to discharge energy. A higher C-rating allows for better performance during high-demand situations.
The mechanisms involved in optimizing performance relate to power delivery and vehicle responsiveness. An appropriately rated battery ensures optimal current flow to the motor, which allows the vehicle to accelerate quickly. Additionally, a compatible battery minimizes voltage drop under load, sustaining higher speeds for longer durations.
Specific conditions that contribute to battery performance include ambient temperature and battery maintenance. Cold temperatures can reduce battery efficiency, leading to shorter run times. In contrast, a battery that is consistently charged and stored correctly will perform better, reducing the risks of damage and prolonging lifespan. For example, using a high-capacity 3S LiPo battery allows the Traxxas Slash VXL to reach peak performance during off-road racing conditions.
What Are the Top 2S LiPo Batteries for Traxxas Slash VXL, and What Sets Them Apart?
The top two 2S LiPo batteries for the Traxxas Slash VXL are the Traxxas Power Cell 2S and the SMC Racing 2S LiPo. These batteries stand out due to their high performance, durability, and compatibility with the Traxxas system.
- Traxxas Power Cell 2S
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SMC Racing 2S LiPo
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Traxxas Power Cell 2S:
The Traxxas Power Cell 2S battery offers a high rating of 7.4V and a capacity ranging from 3000 mAh to 5800 mAh, enabling longer run times. It features a durable hard case for protection and comes with Traxxas connectors for easy compatibility. This battery incorporates advanced cell technology for high discharge rates, effectively improving acceleration and top speed. -
SMC Racing 2S LiPo:
The SMC Racing 2S LiPo battery provides a similar voltage of 7.4V but often has higher capacity options that exceed 5800 mAh. This battery is known for its lightweight design and offers excellent discharge rates for better performance. The SMC Racing batteries use high-quality cells that ensure reliable power output and performance consistency. Users often cite the excellent build quality and endurance during races.
Both batteries effectively enhance the performance of the Traxxas Slash VXL. They each bring unique advantages. Some users prefer the Traxxas Power Cell for its brand compatibility and direct fitting without the need for adapters. In contrast, others lean towards SMC Racing for its potential longer run times and higher capacity configurations. Users may find that the selection depends on specific racing needs or personal preferences regarding power output and battery management.
How Does Each 2S LiPo Battery Enhance the Performance of The Traxxas Slash VXL?
Each 2S LiPo battery enhances the performance of the Traxxas Slash VXL by providing increased power and efficiency. 2S signifies two cells in series, which produces a nominal voltage of 7.4 volts. This higher voltage results in faster speeds compared to a 2S NiMH battery. The increased voltage translates into higher current draw, leading to improved acceleration and overall performance.
LiPo batteries also have a lighter weight compared to other battery types. This reduced weight allows the Traxxas Slash VXL to maneuver more easily and improves handling. The higher discharge rates of LiPo batteries provide consistent power delivery, which enhances stability during high-speed driving. Additionally, 2S LiPo batteries offer a longer runtime, enabling extended playtime without frequent recharges.
Using a 2S LiPo battery allows the Traxxas Slash VXL to achieve higher efficiency, greater speed, and improved driving dynamics. The combination of these features significantly elevates the driving experience.
What Are the Best 3S LiPo Battery Options for Boosting the Power of Traxxas Slash VXL?
The best 3S LiPo battery options for boosting the power of the Traxxas Slash VXL include brands such as Traxxas, HobbyStar, and Gens Ace.
- Traxxas 3S LiPo Battery
- HobbyStar 3S LiPo Battery
- Gens Ace 3S LiPo Battery
When considering these options, you might also reflect on factors such as voltage capacity, discharge rating, run time, and price. Different users may prefer one battery over another based on performance, reliability, or brand loyalty.
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Traxxas 3S LiPo Battery:
The Traxxas 3S LiPo battery features a fully assembled design and offers a capacity of 5000mAh. This battery is known for its high discharge rating at 25C, which enhances acceleration and speed. Traxxas batteries come with built-in connectors for easy installation and compatibility. The Traxxas brand is also recognized for its quality and reliability, making it a preferred choice among Slash VXL owners. -
HobbyStar 3S LiPo Battery:
The HobbyStar 3S LiPo battery provides an option for those seeking balance between performance and cost. It typically offers a capacity around 4000mAh with a discharge rating of 30C. This battery delivers good overall power and run time performance. HobbyStar is often favored by hobbyists looking for budget-friendly alternatives without compromising significantly on quality. -
Gens Ace 3S LiPo Battery:
The Gens Ace 3S LiPo battery stands out due to its exceptional performance characteristics. With a capacity of 5000mAh and a high discharge rate of 50C, it promotes extended run times and improved acceleration. This battery is well-regarded in the RC community for its reliability and durability under various conditions, making it suitable for both racing and recreational use.
What Key Factors Should You Evaluate When Selecting a 3S LiPo Battery for Traxxas Slash VXL?
When selecting a 3S LiPo battery for the Traxxas Slash VXL, you should evaluate several key factors that affect performance and compatibility.
- Battery Capacity (mAh)
- Discharge Rate (C Rating)
- Battery Size and Weight
- Connector Type
- Brand Reputation
- Voltage Consistency
- Price
These factors will significantly influence the performance of your battery in the Traxxas Slash VXL. Each factor holds its importance, and understanding them will ensure optimal operation.
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Battery Capacity (mAh): Battery capacity, measured in milliamp hours (mAh), indicates how much energy a battery can store. A higher mAh rating provides longer run times. For instance, a 5000 mAh battery will last longer than a 4000 mAh battery under similar conditions. However, larger capacity can also lead to increased weight, influencing overall performance.
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Discharge Rate (C Rating): The discharge rate, expressed in “C,” indicates how quickly the battery can deliver power. A higher C rating allows the battery to provide more current, essential for high-performance applications. For example, a 50C battery can discharge at rates faster than a 30C battery, resulting in better acceleration and speed for the Traxxas Slash VXL.
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Battery Size and Weight: The physical size and weight of the battery impact its fit in the Traxxas Slash VXL and the vehicle’s handling. It is crucial to choose a battery that fits within the battery compartment without additional modifications. A lighter battery can improve maneuverability, while a heavier battery may provide more stability at high speeds.
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Connector Type: The connector type must match the Traxxas Slash VXL’s electrical system. Traxxas offers their own connectors, and ensuring compatibility is crucial for seamless operation. Using improper connectors can lead to poor connections or electrical failures.
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Brand Reputation: Choosing a battery from a reputable brand can be essential for reliability and performance. Well-known manufacturers often provide better quality control and customer service. Reading user reviews can also provide valuable insights into battery performance and durability.
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Voltage Consistency: Consistent voltage output during operation is critical for performance. LiPo batteries typically provide a nominal voltage of 11.1V for 3S configurations. Ensure the chosen battery maintains stable voltage under load, which will affect handling and performance.
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Price: Lastly, consider the price of the battery. While budget options are available, higher-priced batteries often offer better performance and longer life. Balancing performance with budget is crucial for an effective purchase.
Each factor should be carefully considered to achieve the best performance for your Traxxas Slash VXL.
How Can You Ensure Safe Usage and Maintenance for Your Traxxas Slash VXL Battery?
To ensure safe usage and maintenance for your Traxxas Slash VXL battery, follow these key practices: store the battery in a cool, dry place; monitor charge levels regularly; use a compatible charger; avoid over-discharge; and inspect for damage frequently.
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Store the battery in a cool, dry place: Always keep your battery away from direct sunlight and extreme temperatures. Ideal storage temperature ranges from 20°C to 25°C (68°F to 77°F). High temperatures can lead to swelling or damage, while cold conditions can diminish battery performance.
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Monitor charge levels regularly: Check your battery charge before and after each use. A fully charged LiPo battery typically reads around 4.2 volts per cell. Keeping charge levels above 3.7 volts per cell helps maintain battery health.
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Use a compatible charger: Always use a charger specifically designed for LiPo batteries. Select a charger that features a built-in balancing function. This ensures that all cells within the battery charge at the same rate, promoting longevity and safety.
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Avoid over-discharge: Discharging the battery below 3.0 volts per cell is harmful and can lead to irreversible damage. Set a voltage cutoff limit on your ESC (Electronic Speed Controller) to prevent over-discharge while driving.
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Inspect for damage frequently: Regularly check your battery for any signs of swelling, punctures, or irregularities. Damaged batteries pose significant safety risks and should not be used. Dispose of them according to local regulations.
Following these steps will help ensure that your Traxxas Slash VXL battery operates safely and effectively over time.
Which Accessories Support Optimal Battery Performance for Traxxas Slash VXL?
The accessories that support optimal battery performance for Traxxas Slash VXL include high-quality batteries, battery chargers, and battery monitors.
- High-quality batteries
- Smart battery chargers
- Battery monitors
- Cooling fans
- Battery straps and trays
The following explanations detail how each accessory contributes to enhancing the battery’s performance.
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High-quality Batteries: High-quality batteries provide better capacity, longevity, and discharge rates. LiPo (Lithium Polymer) batteries, popular with Traxxas Slash VXL users, offer high energy density and reduced weight. For instance, a 3S LiPo battery with a 5000mAh capacity allows for longer run times and more power during racing. Companies like Traxxas and Venom produce reliable brands ensuring optimal performance.
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Smart Battery Chargers: Smart battery chargers help manage charging cycles efficiently and safely. They prevent overcharging and provide balanced charging, which can increase battery life. Chargers with features such as LiPo balancing automatically adjust the charge to ensure each cell within the battery reaches full capacity evenly. This can be seen with chargers from brands like Traxxas and Hitec, which are specifically designed for their batteries.
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Battery Monitors: Battery monitors offer real-time data on the remaining battery voltage and overall health. These devices alert users when the voltage drops to a level that could harm the battery. For example, using a battery monitor can help a driver manage run times to prevent deep discharges, which can lead to shorter battery life. Some monitors also send alerts via smartphone apps.
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Cooling Fans: Cooling fans can help maintain optimal battery temperatures during heavy use. Overheating can lead to diminished performance and shorter battery life. Installing a dedicated cooling fan can prolong the battery’s health and performance, especially during long racing sessions. Fans can either be integrated or installed externally.
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Battery Straps and Trays: Battery straps and trays securely hold the battery in place during use. Securely fitted batteries reduce the risk of connections loosening during operation, which can lead to intermittent power loss or electrical shorts. High-quality and adjustable battery trays can accommodate various battery sizes, ensuring a snug fit.
Each of these accessories plays a vital role in optimizing the battery performance of Traxxas Slash VXL, enhancing both the user experience and the overall longevity of the battery system.
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