Overlander SuperSport 450mAh 2S 7.4V 35C LiPo Battery 2556

Overview

The Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery 2556 is a compact yet powerful energy solution engineered specifically for micro and lightweight RC models. Whether you're flying a small park flyer, piloting a micro helicopter, or operating a lightweight drone, this professional-grade lithium polymer battery delivers the consistent and efficient power your models demand. Designed with precision and built to Overlander's exacting standards, this 450mAh pack represents the perfect balance between lightweight design and usable energy capacity, ensuring longer and more reliable run times for smaller RC applications across the UK.

As a UK RC hobbyist, you'll appreciate how this battery maximises performance whilst keeping weight to an absolute minimum—a critical factor when every gram counts in micro-scale applications. The SuperSport series has built a reputation for dependable performance, and the 2556 model continues that tradition. This is the battery for RC enthusiasts who refuse to compromise on quality or consistency, whether they're basking in their garden with a compact park flyer or competing with a precision-engineered micro quadcopter.

LiPo batteries have become the gold standard for RC models because they offer superior energy density, lightweight construction, and the ability to deliver rapid bursts of power exactly when you need them most. Unlike older NiMH or NiCd batteries, LiPos provide consistent voltage throughout most of their discharge cycle, maintaining your model's performance until the battery is nearly depleted. The Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery 2556 embodies everything that makes lithium polymer technology the preferred choice for serious RC car, plane, and drone enthusiasts across the UK.

Key Features

• 450mAh Capacity — This compact capacity represents the ideal balance for micro and lightweight RC models, providing sufficient energy for extended flight or drive times without adding unnecessary weight that could compromise your model's performance, responsiveness and manoeuvrability.
• 7.4V 2S Configuration — The two-cell setup delivers a balanced voltage perfectly suited for small-scale RC applications, offering reliable power that keeps your model running smoothly whilst ensuring compatibility with micro RC setups designed specifically for 2S applications.
• 35C Constant Discharge Rate — This respectable discharge rating enables stable and consistent current delivery throughout your model's operation, allowing smooth power flow for sustained performance during demanding manoeuvres and ensuring your battery keeps pace with your flying or driving demands.
• 65C Burst Capability — When you need that extra power boost for aggressive manoeuvres, sharp turns, or sudden climbs, the 65C burst rating kicks in for short bursts, delivering rapid response and acceleration exactly when you need it most—your battery's turbo mode for those critical moments.
• Maximum Constant Current of 15.75A — This specification ensures the battery can safely deliver sustained power to your model's motor and electronics without thermal stress, providing headroom for consistent performance across your entire flight or drive session.
• Maximum Burst Current of 29.25A — For those intense moments requiring rapid acceleration or emergency power draws, the 29.25A burst current capability allows your battery to respond instantly without faltering, keeping your model responsive and in control.
• Compact Physical Dimensions — Measuring just 54 x 29 x 9mm with a featherweight 30.2g mass, this battery fits seamlessly into micro RC models where space and weight are absolutely critical factors, without disrupting balance or adding unnecessary heft that would slow your model down.
• High-Quality JST-BEC Connector — The main power connector ensures a secure and efficient electrical connection to your RC model's power system, providing reliable current flow and consistent performance throughout your entire flight or drive session.
• JST-XH Balance Connector — The balance connector allows cell-by-cell monitoring and charging, essential for maintaining your battery's health and ensuring each cell charges equally for optimal performance and extended battery life.
• 22AWG Wire Gauge — The 22AWG wiring is appropriately sized for this battery's power output, ensuring safe current handling and minimising voltage drop whilst keeping the overall weight as light as possible.
• 3.33Wh Energy Rating — This watt-hour specification represents the total energy available from a full charge, helping you understand the battery's overall power capacity and comparative performance against other micro packs.
• SuperSport Pro Range Designation — This battery is part of Overlander's trusted SuperSport Pro series, representing consistent quality, reliability and proven performance across thousands of RC setups throughout the UK and beyond.

Technical Performance

The Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery 2556 represents engineering excellence in micro-scale power delivery. Built with lithium polymer chemistry, this battery achieves an energy density that simply cannot be matched by older battery technologies. The 450mAh capacity packed into a mere 30.2g creates an exceptional power-to-weight ratio essential for micro helicopters, small park flyers and lightweight drones where every fraction of a gram affects performance. The 35C constant discharge rate provides 15.75A of continuous current, sufficient to power small brushless motors and speed controllers without thermal stress, whilst the 65C burst capability stretches to 29.25A for those demanding acceleration moments. The 2S (two-cell) configuration delivers 7.4V nominal voltage—3.7V per cell—a sweet spot for many micro RC applications that balances speed and torque perfectly. The battery's 3.33Wh energy content is modest but purposeful; extended capacity would add weight that would negate the performance benefits in ultra-lightweight applications. Built with quality materials and manufactured to Overlander's exacting specifications, this battery withstands repeated charging and discharging cycles, providing reliable service life across countless RC sessions. The JST-BEC main connector and JST-XH balance connector represent industry-standard connections recognised across the micro RC community, whilst 22AWG wiring ensures safe current handling without unnecessary bulk. Whether you're pushing your micro quadcopter through acrobatic sequences, flying a sleek park flyer across open fields, or testing a lightweight experimental aircraft, this battery delivers the consistent, responsive power your model demands.

What's in the Box

• Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery 2556
• JST-BEC main power connector (pre-attached)
• JST-XH balance connector lead

What You Need to Complete

• Compatible LiPo balance charger set to LiPo mode (essential—do not use standard chargers)
• RC model designed for 2S 7.4V LiPo compatibility
• Voltage checker or battery monitor (highly recommended for safe operation)

Understanding LiPo Batteries and Safe Operation

Lithium Polymer batteries, commonly called LiPo batteries, have become the standard power source for RC models—drones, planes, cars, and helicopters—because they offer unmatched advantages over older technologies like NiMH (Nickel-Metal Hydride) or NiCd (Nickel-Cadmium) batteries. They pack extraordinary power into compact, lightweight packages with energy density that older chemistries simply cannot match. This high energy density means more usable power, longer run times, and lighter overall weight—critical factors for any RC enthusiast seeking maximum performance.

The lightweight design of LiPo batteries keeps your RC models nimble and responsive, particularly important for flight performance in drones, planes, and helicopters where every gram affects agility and manoeuvrability. High discharge rates mean LiPos can deliver quick bursts of power for rapid acceleration, sharp turns, and complex manoeuvres, making them ideal for high-performance applications like racing drones, 3D aerobatic planes, and competitive RC cars. Unlike older NiCd batteries, LiPos feature no memory effect, meaning you can recharge them at any time without first fully discharging them, allowing convenient top-ups between sessions. They charge faster than alternative technologies, getting you back in action quickly, and maintain steady voltage throughout most of their discharge cycle, ensuring your model performs consistently until the battery is nearly empty. Versatile connector options like Deans, EC3, XT60, and JST ensure flexibility across different RC setups.

However, LiPo batteries require careful handling and proper charging protocols. Always use a dedicated LiPo balance charger set specifically to LiPo mode—never use a standard charger or incorrect chemistry setting, as this risks overcharging, uneven cell charging, overheating, or even fires. LiPo batteries include a balance lead that monitors each cell individually during charging, ensuring balanced charging and optimal performance. Never leave a LiPo battery unattended whilst charging. Always stop using your battery before voltage drops below 3.0V per cell (6.0V for 2S), as over-discharging causes permanent damage. Never charge beyond 4.2V per cell maximum safe voltage. Store batteries at approximately 50% charge (around 3.7-3.85V per cell) in cool, dry conditions, checking them every couple of months during extended storage. Improper handling can cause fire, injury, or battery failure—always follow manufacturer instructions and use proper safety equipment.

Understanding mAh and Voltage

The term mAh stands for milliampere-hour and measures the battery's capacity—essentially how much energy it can store and deliver. A higher mAh rating means longer run times for your RC model, so if extended flight or drive sessions matter to you, seek higher capacity packs. However, higher capacity typically means increased weight and physical size, creating a trade-off you must balance against your model's requirements. Voltage, expressed in series notation like 2S or 4S, represents the battery's power delivery potential. The "S" stands for series, referring to the number of cells connected in series. More voltage means your model moves faster and responds quicker, but it's absolutely crucial to verify your RC setup can handle the voltage you're choosing. Not all models are designed for high voltages, and using excessive voltage can damage electronics or cause poor performance. Always ensure the voltage matches your application's specifications to keep your model running safely and efficiently.

What Does the C Rating Mean?

The C rating, whether constant like 35C or burst like 65C, represents your battery's power delivery capability—essentially how fast it can discharge energy when you're pushing your RC model hard. Think of it as your battery's ability to keep pace when things get intense. A 35C battery can release power quicker than a 20C rating, giving your model faster acceleration, snappier response, and the ability to handle quick, sharp manoeuvres without voltage sag. The constant C rating (35C in this case) tells you what power level the battery can handle continuously throughout your entire session. The burst rating (65C for this model) is your battery's "turbo mode"—bonus power that kicks in for short bursts when you really need it, like during a tight corner, a sudden climb, or an all-out sprint. For high-performance micro models like racing quadcopters, aerobatic planes, or competitive RC cars, a strong C rating and burst capacity are essential to ensure your battery doesn't just keep up but stays ahead, delivering power exactly when you need it most. Match your C rating and burst capability to your setup's demands, and your battery will power through every twist, turn, and full-throttle moment without breaking a sweat.

How to Choose the Right Battery for Your Model

Selecting the perfect battery for your RC model can feel like navigating a maze of specifications and technical abbreviations, but the process becomes straightforward once you understand the key factors. Whether you're seeking extended flight time, increased speed, or enhanced performance, battery selection is fundamentally about finding the right balance. Here are the essential considerations: mAh Capacity — Higher mAh provides longer run times but typically adds weight; aim for balance between capacity and weight that suits your specific needs. Voltage — Higher voltage equals more speed, but verify your motor and speed controller can handle the increased voltage; incompatibility can damage electronics. C Rating — For models requiring quick power bursts like racing quadcopters or 3D planes, a higher C rating is essential for necessary performance. Size and Weight — Always verify the battery's physical dimensions fit your model without disrupting balance or compromising performance. Every RC model has unique requirements, so consult your application guidelines or manufacturer recommendations for your specific model to ensure you're choosing the safest and most effective battery for your setup.

Why LiPo Batteries Need Special Chargers

LiPo batteries require special balance chargers specifically tuned for lithium polymer chemistry because these batteries are sensitive to charging conditions. A dedicated LiPo charger doesn't merely fill up your battery—it performs the critical function of ensuring each cell charges equally, maintaining balance across all cells for consistent performance, reliability, and longevity. A balanced charge helps your battery stay healthy, perform consistently, and last significantly longer. Using an incorrect charger or setting the wrong chemistry mode is genuinely risky business; it can lead to overcharging, uneven cell charging, dangerous voltage imbalances, or serious safety hazards including overheating and potential fires. LiPo batteries are sensitive to incorrect voltage, making proper charging equipment absolutely essential rather than merely recommended. The balance lead included with your LiPo battery is specifically designed to be used during charging to monitor and adjust each cell individually, serving as an extra layer of protection that helps your battery deliver reliable power without safety risks. Always verify your charger is set explicitly to LiPo mode before connecting your battery, and never attempt charging using incorrect settings. The right charger and balanced charging keep your battery safe, performing at its best, and ready for action whenever you need it.

Proper LiPo Storage and Maintenance

Taking care of your LiPo batteries is essential for safety and performance longevity. Store batteries at approximately 50% charge (about 3.7V to 3.85V per cell) for extended periods—this voltage range keeps cells in their optimal state without stress. LiPo batteries strongly dislike extreme conditions; heat is a particular enemy, so avoid leaving batteries in hot cars, direct sunlight, or near radiators. Instead, find a cool, dry storage location with stable temperature like a drawer or shelf where conditions remain consistent. Never allow LiPo batteries to fully drain, as this causes permanent damage and creates safety hazards. Stop using your batteries when voltage approaches 3.0V per cell, well before complete depletion. If storing batteries for extended periods, check their charge every couple of months and perform a brief charge or discharge to return them to that 50% storage voltage sweet spot. This maintenance keeps them ready for immediate action whilst preserving cell health. By treating your LiPos with appropriate care, you'll achieve better performance, safer operation, and extended service life, ensuring your gear remains ready whenever you are.

Avoiding Overcharging and Over-discharging

LiPo batteries are powerful but delicate, requiring careful handling to avoid serious problems. Overcharging—charging beyond maximum safe voltage, typically 4.2V per cell—creates multiple dangers: cells swell, become unstable, and in severe cases, the battery fails completely with potential leaks, capacity loss, or fires. Always use a charger with built-in voltage cut-off that automatically stops charging at the safe limit. Over-discharging—draining below the safe minimum voltage of about 3.0V per cell—causes permanent irreversible damage to the battery and creates potential safety hazards. Since LiPo batteries lack built-in circuitry to prevent over-discharge, you must actively monitor voltage and stop using the battery well before depletion. Consider using a separate voltage checker if your device doesn't have built-in voltage detection. Overcharging or over-discharging not only shortens battery lifespan significantly but creates serious safety risks; damaged batteries can swell, leak, or catch fire. Use only the right charger with voltage cut-off, and if your device lacks built-in voltage detection, use a separate voltage checker to keep the battery within safe operating limits, protecting both the battery and your RC setup. Treat your LiPos with respect by avoiding both extremes—overcharging and over-discharging—to ensure they stay safe, perform reliably, and last as long as possible.

Maximising Your LiPo Battery Life

Want to keep your LiPo batteries running strong for extended periods? Success requires attention and proper care. Avoid overcharging by using a charger with automatic voltage cut-off that stops at 4.2V per cell, preventing the cellular stress that leads to swelling and failure. Never over-discharge your battery—stopping well before 3.0V per cell prevents permanent damage that leaves you with a dead battery or safety hazard. Use a dedicated LiPo balance charger every single time, never attempting to charge with incompatible equipment. Monitor temperature during charging—if the battery feels hot, stop immediately and allow cooling before investigating further. Store at around 50% charge in cool conditions, checking every couple of months during extended storage. Inspect your battery regularly for any signs of damage, swelling, puffing, or leaks; discard any damaged battery immediately and safely. Avoid dropping or physically damaging batteries, as internal damage creates fire and safety risks. Always use appropriate connectors and never force plugs or connections. By following these practices consistently, your Overlander SuperSport LiPo battery will deliver reliable performance, superior longevity, and safe operation across countless RC sessions.

Frequently Asked Questions

• Is the Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery suitable for beginners? — Absolutely, this battery is excellent for beginners working with micro RC models. However, beginners must understand that LiPo batteries require dedicated balance chargers, careful handling, and adherence to safety protocols. Never leave a charging battery unattended, always use appropriate chargers set to LiPo mode, and monitor voltage carefully. If you're new to LiPo batteries, take time to learn proper charging, storage, and safety procedures before your first use. The battery itself is reliable; your success depends on responsible handling.
• What RC models is this battery compatible with? — This 450mAh 2S 7.4v battery is designed for micro and lightweight RC models including small park flyers, micro helicopters, and lightweight drones. It fits models requiring 7.4V (2S) power with connectors matching JST-BEC main connections and JST-XH balance leads. Always verify your specific model's voltage requirements and connector types before purchasing to ensure compatibility.
• How long will this battery last per charge? — Flight or drive time depends on your specific model's power consumption, which varies significantly based on motor size, speed controller efficiency, weight, and driving style. A rough calculation divides the 450mAh capacity by your motor's current draw in amps; for example, a 5A draw would provide approximately 54 minutes of theoretical flight time, though real-world time is typically shorter due to voltage sag and inefficiencies. Consult your model's specifications for estimated runtime.
• Do I need a special charger for this battery? — Yes, absolutely. Never use a standard charger—you must use a dedicated LiPo balance charger specifically set to LiPo mode. The charger should monitor and charge each cell individually through the JST-XH balance connector, ensuring all cells charge to equal voltage. Using incorrect chargers risks overcharging, uneven cell charging, and potentially dangerous failures.
• What is the difference between the 35C constant rating and 65C burst rating? — The 35C constant discharge rate indicates the power the battery can safely deliver continuously throughout your session, providing approximately 15.75A current. The 65C burst rating is temporary bonus power—approximately 29.25A—available for short bursts when you need quick acceleration or emergency power. Use burst capability sparingly to avoid stressing the battery.
• Can I store this battery fully charged? — No, avoid storing LiPo batteries at full charge. Instead, store at approximately 50% charge (3.7-3.85V per cell) in cool, dry conditions. Fully charged storage creates stress on battery cells and reduces service life. Check storage voltage every couple of months during extended storage periods.
• What happens if my battery gets too hot? — Stop using the battery immediately if it becomes hot to the touch. Excessive heat indicates internal stress, potential damage, or dangerous conditions. Allow complete cooling, then inspect for swelling or damage. If damage is apparent, dispose of the battery responsibly and safely. Contact a specialist if you're uncertain about battery condition.
• How do I know when to stop using my battery during flight or driving? — Use a voltage checker to monitor your battery's voltage. Stop using the battery immediately when voltage drops to approximately 3.0V per cell (6.0V total for 2S batteries). Continuing beyond this point causes permanent damage and safety hazards. Never fully deplete a LiPo battery.

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 Overlander SuperSport 450mAh 2S 7.4v 35C LiPo Battery 2556 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.