CORALLY SPORT RACING 50C LIPO BATTERY 6750MAH 14.8V STICK 4S HARDWIRE XT90 C-49430

Overview

The Corally Sport Racing 50C LiPo Battery is a professional-grade power solution designed for serious RC car enthusiasts who demand reliable, consistent performance from their electric RC vehicles. Whether you're running competitive track sessions, weekend bashing, or high-performance RC car racing in the UK, this 6750mAh 14.8V hardwired battery pack delivers the power and reliability you need to stay ahead of the competition. Built with meticulous quality control and engineered for longevity, Corally batteries have earned a reputation among RC car UK enthusiasts for providing unmatched power-to-weight ratios combined with exceptional safety and impressive cycle life.

This isn't just another generic LiPo battery for RC cars. The Corally Sport Racing series represents the pinnacle of what a mid-capacity, high-discharge battery should be. Manufactured and assembled in a prestigious lithium battery factory with over 15 years of specialist experience in high-discharge lithium-polymer technology, this battery features an entirely new cell formulation that maximises performance across multiple charge cycles, vastly surpassing the typical low-quality hobby batteries found in many RC shops. When you're looking for a reliable power source with enhanced performance, superior safety features, and extended lifespan for your RC car, you can be confident that Corally LiPo batteries represent your best choice.

The stick-format hard case design makes this battery easy to fit into most RC car chassis, whilst the hardwired XT90 connector provides secure, reliable power delivery without the need for additional adapters or connectors. At 538g (without wires), this pack strikes an excellent balance between capacity and weight, making it ideal for touring car platforms, off-road buggies, and other 4S LiPo-compatible RC vehicles.

Key Features

• 50C Continuous Discharge Rating — This exceptional discharge rate means the battery can safely deliver 337.5 amps of continuous current, providing instant throttle response and aggressive acceleration when you need it most. The 50C rating ensures the battery can handle demanding track conditions and high-performance driving without voltage sag or performance degradation, making it perfect for competitive RC car racing where every millisecond counts.
• 6750mAh Capacity — With 6750 milliamp-hours of capacity, this battery provides excellent runtime for most RC car applications, allowing you to enjoy extended driving sessions without frequent battery swaps. The generous capacity combined with the high discharge rate makes this battery equally suited to speed runs, endurance racing, or aggressive bash sessions.
• 14.8V 4S LiPo Configuration — The four-cell (4S) lithium-polymer configuration provides optimal voltage for most modern brushless RC cars and ensures compatibility with standard 4S ESC units commonly found in RC vehicles. At 14.8V nominal voltage, this battery delivers the performance boost needed for competitive driving whilst maintaining safe operating parameters.
• Hardwired XT90 Connector — The industry-standard XT90 power connector is soldered directly to the battery pack with high-quality silicone wire (12 AWG gauge), eliminating the need for connector adapters and providing a secure, low-resistance power delivery path. The 100mm wire length allows flexible chassis mounting options and clean internal routing in most RC car designs.
• Precision Quality Control — Every single cell undergoes meticulous balancing, conditioning, calibration, and voltage/resistance matching before assembly, guaranteeing that only the highest-quality cells with minimal tolerance variations are used. This rigorous process ensures that lower-grade cells never make it into a Corally pack, resulting in superior performance, perfectly balanced individual cells, and extended pack longevity.
• JST-XH 4S Balance Connector — The integrated balance connector with 22 AWG silicone wire allows safe, precise cell-level monitoring and balancing with compatible chargers, maintaining optimal cell health and extending overall battery lifespan through improved charge accuracy and cell equalisation.
• Stick Hard Case Design — The rigid hard plastic case protects the battery from physical damage during transport and storage, whilst the stick format ensures easy fitment into most RC car battery compartments without requiring custom mounting solutions or modifications to your chassis.
• Up to 3C Maximum Charge Rate — With a maximum safe charge rate of 3C, this battery can accept up to 20.25 amps of charge current, enabling reasonably quick turnaround times between driving sessions using appropriate chargers. This flexibility allows you to recharge the battery in under 30 minutes with a suitable fast charger, minimising downtime at the track or bash spot.
• Optimised Cell Chemistry — The new cell formulation maximises performance across multiple cycles, delivering consistent power delivery throughout the battery's lifespan. Unlike typical low-quality hobby batteries that experience rapid performance degradation, these Corally cells maintain their discharge characteristics and reliability cycle after cycle, making them a long-term investment in your RC hobby.
• Proven Safety and Reliability — As a battery that's been proven in competitive racing environments and trusted by serious RC enthusiasts across the UK and beyond, the Corally Sport Racing series has earned its reputation for consistent safety performance and reliable operation under demanding conditions.

Technical Performance

The Corally Sport Racing 50C LiPo Battery represents professional-grade engineering through and through. With its 6750mAh capacity and impressive 50C continuous discharge rating, this 4S LiPo pack is engineered to deliver 337.5 amps of continuous current to your brushless motor and electronic speed controller, ensuring that voltage sag is minimised and your RC car maintains consistent acceleration and speed throughout the entire drive cycle. The battery's dimensions (138mm length x 47mm width x 48mm thickness) have been carefully designed to fit within standard RC car battery compartments, whilst the 538g weight (excluding wire) is light enough to maintain optimal weight distribution without sacrificing the generous 6750mAh energy storage capacity. The hardwired XT90 connector with 12 AWG silicone power wire (approximately 100mm in length) provides a secure, low-resistance connection that's less susceptible to corrosion and connection issues compared to plug-and-socket connectors. The complementary JST-XH 4S balance connector with 22 AWG silicone wire enables cell-level monitoring and balancing, a critical feature for maintaining individual cell health and extending the overall lifespan of the pack. The battery supports charging at rates up to 3C (20.25A maximum charge current), which translates to practical charging times of approximately 25-30 minutes with a suitable fast charger, allowing you to minimise downtime between heats or driving sessions. Every cell in this pack has undergone individual testing, balancing, conditioning, and tolerance matching at the factory before assembly, ensuring that cell performance variation is kept to an absolute minimum and that the pack delivers consistent, predictable performance from the first use through hundreds of subsequent charge cycles.

What's in the Box

• Corally Sport Racing 50C LiPo Battery 6750mAh 14.8V 4S
• Hardwired XT90 power connector with silicone wire (12 AWG, approximately 100mm)
• JST-XH 4S balance connector with silicone wire (22 AWG)
• Stick hard case enclosure

What You Need to Complete

• Compatible RC car with 4S LiPo capable brushless system (motor, ESC, and matching connectors)
• LiPo-compatible charger supporting XT90 connectors or an appropriate XT90 charging adapter
• LiPo battery safety bag for storage and charging (strongly recommended for safety)
• Balance charger with JST-XH 4S connectivity for optimal cell balancing

Frequently Asked Questions

• Is the Corally Sport Racing 50C LiPo Battery suitable for beginners in RC car racing? — Whilst this is an excellent battery, beginners should understand that LiPo batteries require proper care, including safe charging practices, correct storage at appropriate voltage levels, and use of proper safety bags during charging and transport. If you're new to RC cars and LiPo batteries, we recommend discussing battery selection with experienced RC enthusiasts or our knowledgeable team at RC Model Shop. That said, once you understand safe LiPo handling, this battery's excellent quality and reliability make it a fantastic long-term investment as you progress in the hobby.
• What is the continuous discharge rating and why does 50C matter for my RC car? — The 50C rating means this battery can safely deliver 337.5 amps of continuous current (calculated as 6750mAh × 50C ÷ 1000). This high discharge rate is crucial for RC cars because it ensures your motor and ESC receive consistent voltage under high current demand, eliminating voltage sag that would otherwise reduce acceleration and top speed. For competitive track racing or aggressive bashing, 50C is an ideal rating that balances power delivery with cell safety.
• How long will the Corally 6750mAh battery last during a driving session? — Runtime depends on your driving style, motor power, and ESC programming. As a general guideline, a 6750mAh battery on a moderately powered brushless system can provide 15-25 minutes of continuous driving, though competitive drivers often use multiple batteries to maximise track time. We recommend testing with your specific setup to determine your typical runtime under normal driving conditions.
• What is the difference between the 50C Corally Sport Racing battery and lower discharge-rated batteries? — Lower discharge-rated batteries (such as 25C or 35C) cannot safely deliver the same level of continuous current without internal heat generation and voltage sag. The 50C rating on this Corally pack means it can handle the demands of high-performance driving, competitive racing, and aggressive acceleration without losing voltage stability. Additionally, Corally's meticulous quality control process ensures that cells are individually balanced and tested, a level of quality control not found in many budget battery alternatives.
• Is this battery compatible with my brushless RC car? — This is a 4S LiPo battery (14.8V nominal), so it's compatible with any RC car equipped with a 4S-capable brushless motor, electronic speed controller, and XT90 (or adaptable) connectors. If your RC car uses 2S, 3S, 5S, or 6S batteries, this pack will not be suitable. We recommend checking your vehicle's documentation or consulting with our team to confirm compatibility before purchase.
• How should I charge this battery safely? — Always charge the Corally Sport Racing battery using a quality charger that supports the XT90 connector or an appropriate adapter. Charge rates up to 3C (20.25A) are safe for this pack, though 2C charging is often preferred for maximum cell lifespan. Always charge in a fireproof LiPo safety bag, never leave the charger unattended, and never charge in extreme temperatures. Consider using a charger with balancing capability to maintain optimal cell health between uses.
• What makes Corally batteries different from cheaper RC hobby batteries? — Corally batteries are manufactured in a dedicated lithium-polymer factory with over 15 years of specialist expertise. Every cell undergoes individual balancing, conditioning, calibration, and tolerance matching before assembly. Only the highest-quality cells with minimal variation between units are used, whereas budget batteries often use inconsistent cells with wide tolerance ranges. The result is superior performance consistency, longer cycle life, enhanced safety, and better overall reliability — factors that justify the investment for serious RC enthusiasts.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the CORALLY SPORT RACING 50C LIPO BATTERY 6750MAH 14.8V STICK 4S HARDWIRE XT90 C-49430 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.