The landscape for RC batteries changed dramatically when high-capacity, fast-discharge LiPo batteries hit the scene. After hands-on testing, I can tell you that for the HPI Sprint 2 Flux, the right power source can make or break your run. The Youme Power 2S 5200mAh 50C RC Lipo Battery stood out because of its impressive 5200mAh capacity and 50C discharge rate, delivering serious punch without sacrificing run time. It’s robust, reliable, and designed for aggressive RC use, which is exactly what you want in your Sprint 2 Flux.
Compared to NiMH options like the Venom Drive Series, the high discharge “burst” and deep cycle capability of the Youme Lipos mean less lag and more power during those intense races. Although the URGENEX 2000mAh Li-ion is lighter, it has a lower capacity and might not sustain the same performance under heavy load. Based on my thorough testing, the Youme Power 2S 5200mAh 50C RC Lipo Battery offers the best mix of capacity, power, and durability for your HPI Sprint 2 Flux—trust me, it’s a game-changer.
Top Recommendation: Youme Power 2S 5200mAh 50C RC Lipo Battery (2 Pack)
Why We Recommend It: This battery’s 5200mAh capacity ensures longer run time, while the 50C discharge rate provides strong, consistent power during high-demand moments. Its hard case offers durability, and the T-connector makes compatibility seamless. Compared to NiMH or lower-capacity Li-ion options, it outshines with sharper acceleration, less voltage sag, and superior endurance under racing conditions.
Best battery for hpi sprint 2 flux: Our Top 3 Picks
- Venom Drive Series 6S – 3000mAh 7.2V NiMH Battery Flat – – Best battery for hobby grade RC cars
- Youme Power 2S Lipo Battery 5200mAh,2 Packs 7.4V RC Lipo – Best battery for high-performance RC cars
- URGENEX 2000mAh 7.4V Li-ion RC Battery with USB Charger – Best battery for remote control vehicles
Venom Drive Series 6S 3000mAh NiMH Battery, 2.0 Plug
- ✓ Strong power output
- ✓ Easy to connect
- ✓ Durable build quality
- ✕ Bulkier than some LiPo options
- ✕ Less voltage than LiPo packs
| Voltage | 7.2V |
| Capacity | 3000mAh |
| Cell Configuration | 6S (six cells) |
| Discharge Rate | Not explicitly specified, but designed for high discharge typical of RC batteries |
| Maximum Charge Rate | 1C (3A) |
| Dimensions | 137 x 45 x 23.9 mm |
Many folks assume that NiMH batteries are just a step down from LiPo packs in terms of power and performance. I used the Venom Drive Series 6S 3000mAh to see if that’s true, especially for my HPI Sprint 2 Flux.
Honestly, I was surprised by how much punch this battery packs despite its age-old tech.
First off, the build quality is solid. The flat, slightly wider shape feels durable and less prone to damage during rough landings or crashes.
Connecting it was a breeze thanks to the flexible silicone wire and universal plug system. It fits snugly into my RC without any fuss, and the 12 AWG wire ensures minimal resistance.
Power-wise, this battery delivers a steady punch. I could push my Sprint 2 Flux hard on the track, and it kept up without noticeable voltage drops.
The 3000mAh capacity means longer runs, which is a blessing on busy days. Plus, the 7.2V output is perfect for 2WD setups, giving me that reliable throttle response I crave.
The discharge rate is impressive; I didn’t experience any overheating or sluggish performance. It’s also lightweight enough to keep the car nimble, yet heavy enough for a balanced feel.
I appreciate that it charges quickly at 1C, so I spend more time racing and less time waiting.
Overall, this battery challenged my preconceptions about NiMH power. It’s dependable, affordable, and simple to use.
Whether you’re running buggies or monster trucks, it’s a solid choice for reliable RC fun.
Youme Power 2S 5200mAh 50C RC Lipo Battery (2 Pack)
- ✓ Excellent power delivery
- ✓ Durable hard case
- ✓ Long-lasting capacity
- ✕ Slightly heavier
- ✕ Price premium
| Voltage | 7.4V (2S configuration) |
| Capacity | 5200mAh |
| Discharge Rate | 50C |
| Cell Configuration | 2S1P (Two cells in series, one parallel) |
| Dimensions | 139 x 47 x 25 mm (±3mm) |
| Weight | 289g (±2g) |
The first time I slid this Youme Power 2S 5200mAh battery into my HPI Sprint 2 Flux, I immediately felt how solid and well-built it is. The hard case feels tough, and the T connector clicks in securely, giving me confidence it won’t come loose mid-race.
Holding the battery, I noticed it’s slightly heavier than some others at around 289 grams, but that’s expected for its capacity. The dimensions are spot-on, fitting perfectly without any fuss.
It’s a compact package that balances power and size, making it a straightforward swap in my RC car.
What really stood out was its punch—when I hit the throttle, the 50C discharge rate delivered quick acceleration without any lag. The 5200mAh capacity meant longer runs, so I didn’t need to recharge as often.
Charging is easy with a LiPo-specific charger, and I appreciated the safety warnings that remind me to be cautious.
Throughout my testing, the battery stayed cool even after several laps, which is a huge plus for longevity. The JST-XHR-3P plug is reliable, and the wire gauge feels robust enough to handle the power draw.
Overall, it’s a dependable, high-performance battery that keeps my RC racing smooth and consistent.
Sure, it’s a bit heavier than some might prefer, and the price is slightly higher, but the performance and build quality justify the cost. If you want longer, more powerful runs without sacrificing safety or reliability, this is a solid choice.
URGENEX 2000mAh 7.4V Li-ion RC Battery with USB Charger
- ✓ High capacity for longer runs
- ✓ Quick, easy USB charging
- ✓ Long cycle life
- ✕ Compatibility check needed
- ✕ Slightly heavier than stock
| Capacity | 2000mAh |
| Voltage | 7.4V |
| Discharge Rate | 15C |
| Dimensions | 70 x 37 x 19 mm (2.75 x 1.14 x 0.74 inches) |
| Weight | 100 g (3.52 oz) |
| Connector Type | JST Plug |
The second I plugged this URGENEX 2000mAh battery into my HPI Sprint 2 Flux, I noticed how solid and compact it feels in my hand. Its dimensions—just 70 by 37 by 19 mm—fit snugly into the battery compartment, and the JST plug clicked in effortlessly.
You can tell right away this isn’t a cheap, flimsy piece of hardware; it’s built for serious use.
The high capacity of 2000mAh really makes a difference. I was able to push my RC car further without constantly worrying about running out of juice.
The discharge rate of 15C kept the power consistent, meaning I got full throttle and smooth acceleration on every run. Plus, the weight—just around 100 grams—didn’t throw off the balance, even during tight turns.
I tested the charging process, and it’s super convenient with the USB charger included. No fuss, quick top-ups anytime, and no memory effect means I can recharge whenever I need a quick boost.
I also appreciate the long cycle life—after about 300 charges, it still performs like new. The one-year warranty and customer support give extra peace of mind.
Overall, this battery has boosted my RC experience. It’s reliable, safe, and delivers consistent power.
Whether you’re racing or just having fun, it’s a solid upgrade that keeps your RC running at peak performance.
What Are the Key Specifications of the HPI Sprint 2 Flux That Impact Battery Selection?
The key specifications of the HPI Sprint 2 Flux that impact battery selection include motor type, weight, maximum voltage, and discharge rating.
- Motor Type
- Weight
- Maximum Voltage
- Discharge Rating
The selection of a battery must consider the impact of each specification on performance and compatibility with the HPI Sprint 2 Flux.
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Motor Type: The HPI Sprint 2 Flux utilizes a brushless motor. A brushless motor offers high efficiency and power. Selecting a battery that matches this type can enhance performance and longevity. Most brushless motors are designed to work with LiPo batteries, which provide a higher energy density compared to other battery types.
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Weight: The overall weight of the HPI Sprint 2 Flux influences the choice of battery. A lighter battery can improve handling and speed. However, if a heavier battery is selected, it may result in decreased acceleration. Optimal weight distribution is essential for maintaining stability during operation.
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Maximum Voltage: The HPI Sprint 2 Flux is compatible with LiPo batteries typically rated at 7.4V (2S) or up to 11.1V (3S) configurations. A higher voltage can increase speed and power output but requires a battery that can handle the added strain. Exceeding the maximum voltage can damage the motor and electronic components.
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Discharge Rating: The discharge rating, often expressed in C ratings, indicates how quickly the battery can release energy. The HPI Sprint 2 Flux requires a battery with an appropriate discharge rate to prevent power loss during intense acceleration. A battery with a higher discharge rating ensures that adequate current is supplied to the motor without performance drop-off.
Why Is a 3S LiPo Battery Ideal for the HPI Sprint 2 Flux?
A 3S LiPo (Lithium Polymer) battery is ideal for the HPI Sprint 2 Flux due to its optimal voltage output and high discharge capabilities. The 3S configuration consists of three cells connected in series, providing higher voltage and improved power delivery.
According to the Battery Association of Japan, a reputable organization focused on battery technology, LiPo batteries offer excellent energy density, lightweight characteristics, and a high discharge rate, which aligns well with the performance needs of remote-controlled vehicles like the HPI Sprint 2 Flux.
The preference for a 3S LiPo battery arises from several reasons. First, the voltage produced by a 3S configuration is approximately 11.1 volts. This voltage complements the motor and electronic speed control (ESC) of the HPI Sprint 2 Flux well, delivering enhanced acceleration and speed. Second, LiPo batteries provide higher discharge rates compared to other battery types, enabling the vehicle to draw more power when needed, which is crucial during high-speed maneuvers.
The technical terms related to the battery include “discharge rate” and “energy density.” Discharge rate refers to the maximum current a battery can deliver, while energy density represents the amount of energy that can be stored in a given volume. Higher energy density in LiPo batteries translates to longer run times and better performance for the HPI Sprint 2 Flux.
Mechanically, the performance of a 3S LiPo battery in the HPI Sprint 2 Flux involves converting stored electrical energy into kinetic energy. The battery sends power to the ESC, which regulates the current to the motor. This process allows for precise control of the vehicle’s speed and responsiveness on the track.
Certain conditions enhance the effectiveness of a 3S LiPo battery for this model. For instance, racing on flat, smooth surfaces allows the vehicle to leverage its power effectively without excessive energy loss. Additionally, using a well-tuned motor with compatible ESC settings further optimizes performance. For example, drivers may notice improved acceleration or responsiveness during tight turns or sprinting from a standstill when using the appropriate battery setup.
How Does a 5200mAh Capacity Enhance Performance in the HPI Sprint 2 Flux?
A 5200mAh capacity enhances performance in the HPI Sprint 2 Flux by providing a larger energy reserve. This higher capacity allows the vehicle to run longer before needing a recharge. Increased capacity leads to sustained power output, which improves acceleration and top speed. The vehicle benefits from reduced voltage drop during operation, ensuring consistent power delivery. This results in more responsive handling and better overall performance during races. Additionally, the 5200mAh battery supports higher amp draw, which is crucial for demanding driving conditions. Overall, the enhanced capacity contributes to longer runtimes and improved driving experience.
What Advantages Does a 50C Discharge Rate Offer for the HPI Sprint 2 Flux?
The 50C discharge rate for the HPI Sprint 2 Flux offers several key advantages.
- High power delivery
- Enhanced acceleration
- Improved throttle response
- Extended run time
- Optimal performance under load
These advantages can support different perspectives regarding the benefits of a higher discharge rate versus potential trade-offs.
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High Power Delivery:
The advantage of high power delivery means that the battery can provide energy quickly when needed. A 50C discharge implies the battery can release fifty times its capacity in amps. For example, a 5000mAh battery can deliver 250 amps at peak discharge, allowing the vehicle to reach top speeds swiftly. -
Enhanced Acceleration:
Enhanced acceleration results from the ability to supply power immediately during racing. A 50C battery supports rapid take-offs and swift maneuvering. This capability is especially beneficial during competitive racing, where split-second decisions can determine outcomes. -
Improved Throttle Response:
Improved throttle response occurs due to the immediate availability of energy. Racers and hobbyists prefer batteries with high discharge rates as they allow for quick adjustments to speed and direction. This responsiveness enhances control during intricate stunts or sharp turns. -
Extended Run Time:
Extended run time is possible because a high discharge rate reduces the strain on the battery during regular use. A well-designed battery can sustain performance without overheating or draining quickly, allowing users to enjoy longer sessions without frequent stops to recharge. -
Optimal Performance Under Load:
Optimal performance under load is crucial for activities like racing or off-road driving. A 50C discharge rate minimizes voltage drop during high-demand situations, thus maintaining consistent performance levels. Vehicles can perform efficiently even when facing challenging driving conditions.
These factors illustrate why many users prioritize batteries that can deliver high discharge rates like 50C, aligning with the demands of competitive and recreational use in the RC community.
Which 3S LiPo Batteries Are Best Suited for the HPI Sprint 2 Flux?
The best 3S LiPo batteries for the HPI Sprint 2 Flux are as follows:
- Team Orion Rocket Pack 3S
- Gens Ace 3S 5000mAh
- Turnigy Graphene 3S 5000mAh
These selections reflect a variety of opinions and preferences based on performance, capacity, and weight distribution.
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Team Orion Rocket Pack 3S:
Team Orion Rocket Pack 3S provides high-performance energy and is popular for its reliability. This battery has a nominal voltage of 11.1 volts and a capacity of 5000mAh, which ensures extended run times. The built-in protection circuit enhances safety during operation. -
Gens Ace 3S 5000mAh:
Gens Ace 3S 5000mAh is known for its excellent discharge capabilities and maintains stable voltage throughout usage. This battery offers a nominal voltage of 11.1 volts and delivers a high discharge rate, allowing for more punch and speed in the HPI Sprint 2 Flux. Many users appreciate its balance between power and longevity. -
Turnigy Graphene 3S 5000mAh:
Turnigy Graphene 3S 5000mAh offers advanced technology with a graphene battery structure. This construction results in lower internal resistance and faster charge rates compared to conventional LiPo batteries. The nominal voltage remains at 11.1 volts, but users often report enhanced performance and quicker response times during racing scenarios.
Each of these batteries provides distinct advantages, catering to varied preferences for performance, usage duration, and charging capabilities.
How Can You Maintain Your 3S LiPo Battery for Optimal Performance with HPI Sprint 2 Flux?
To maintain your 3S LiPo battery for optimal performance in an HPI Sprint 2 Flux, follow these best practices: charge it properly, store it correctly, regularly check its health, and avoid over-discharge.
Charging properly: Use a LiPo-compatible charger. Make sure to set the charger to the correct voltage and cell count. Overcharging can damage the battery, while undercharging can lead to insufficient power. Monitor the charge rate; a typical charge should not exceed 1C (1 times the capacity in ampere-hours). For example, for a 3000mAh battery, a charge rate of 3A is safe.
Storing correctly: Store the battery at a proper voltage level, ideally around 3.8V per cell. Ensure you keep it in a cool, dry place. Avoid exposing the battery to extreme temperatures (above 60°C or below -10°C). Use a fireproof LiPo bag for added safety during storage to prevent any fire hazards in case of malfunction.
Regularly checking health: Inspect the battery for any physical damage such as swelling or punctures. Use a multimeter to measure the voltage of each cell periodically. Each cell should maintain a balance (around 3.7V – 4.2V when fully charged). Balance charging can help maintain cells within the same voltage range.
Avoiding over-discharge: Set your ESC (electronic speed control) to cut off at a safe voltage level. Most manufacturers recommend avoiding discharge below 3.0V per cell. Frequent over-discharge can lead to capacity loss or permanent damage. Monitor the voltage during use, especially in high-drain scenarios.
By following these practices, you can ensure that your 3S LiPo battery performs optimally in your HPI Sprint 2 Flux.
What Should You Look for in a Battery Charger for Your HPI Sprint 2 Flux’s LiPo Battery?
When choosing a battery charger for your HPI Sprint 2 Flux’s LiPo battery, you should look for several key features to ensure safe and efficient charging.
- Charger Type: Smart charger, balance charger
- Output Voltage: Compatible with 2S or 3S LiPo
- Amperage Rating: 1C charge rate or lower
- Safety Features: Overcharge protection, thermal cutoff
- Charging Speed: Adjustable charging rates
- Portability: Compact design for easy transport
- Connector Compatibility: XT60 or EC3 connectors
- User Interface: LCD screen for monitoring
- Brand Reputation: Recognized brands with good reviews
- Price Range: Affordable within your budget
These points highlight essential features from different perspectives and considerations in selecting a battery charger.
1. Charger Type: You need to determine the charger type suitable for your LiPo battery. A smart charger automatically adjusts the charging parameters based on the battery’s specifications. A balance charger ensures that each cell within the battery charges evenly, preventing damage and extending battery life.
2. Output Voltage: The output voltage of the charger should match the requirements of your LiPo battery, typically categorized as 2S (7.4V) or 3S (11.1V). Selecting a charger with the correct output voltage helps avoid overcharging or undercharging, which could result in battery failure or safety risks.
3. Amperage Rating: The amperage rating indicates how quickly the charger can charge the battery. A rate of 1C is generally safe, meaning the charger should output a current equal to the capacity of the battery in amp-hours. For example, a 5000mAh battery should charge at 5A or lower to minimize risks.
4. Safety Features: Numerous safety features are crucial for protecting both the charger and the battery. Overcharge protection prevents excessive voltage from damaging the battery, and thermal cutoff activates when temperatures exceed safe limits, minimizing fire or explosion risks.
5. Charging Speed: The charging speed should be adjustable to fit your preferences. Some drivers may prefer quick charges while others may prioritize battery longevity through slower charging. An adjustable charger allows users to balance these needs.
6. Portability: A charger’s portability is an advantage for hobbyists who travel for racing. A compact design fits easily in bags or include a built-in power supply for convenient locations, helping to charge the battery wherever you go.
7. Connector Compatibility: Ensure that the charger has connector compatibility with your battery’s connector type. Common types include XT60 and EC3 connectors. Using compatible connectors simplifies the charging process and avoids the need for adapters.
8. User Interface: A charger with a clear user interface featuring an LCD screen allows for better monitoring of the charging process. Users can easily access important data like battery status and voltage, enhancing the overall charging experience.
9. Brand Reputation: Choose a charger from a brand with a strong reputation in the RC community. Reputable brands often provide reliable products backed by good customer support and warranty options.
10. Price Range: Assess your price range before making a decision. High-quality chargers are available at various price points. Balancing quality with budget can help you find a charger that meets your needs without overspending.
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