Overview
The SPM 5000mAh 3S 11.1V 50C Smart LiPo Hardcase battery from Spektrum represents a significant step forward in RC battery technology, combining intelligent onboard electronics with robust physical construction. This 11.1V lithium polymer battery delivers the high-discharge performance that RC enthusiasts demand, whether you're running a competitive RC car in the UK, powering a high-speed RC boat, or pushing the limits of your hobby-grade RC platform. With its integrated Smart microchip and impact-resistant hardcase design, this battery is engineered for reliability and ease of use in demanding applications.
Spektrum Smart technology has revolutionised the way RC pilots charge and maintain their batteries. Rather than manually setting charge parameters every time you connect your battery to a charger, this 5000mAh pack stores its own unique data and communicates directly with Spektrum Smart chargers. This automation eliminates guesswork and ensures your battery is always charged optimally, saving time and reducing the risk of damage through incorrect charging procedures. The result is improved battery longevity, better performance consistency, and more time enjoying your RC hobby instead of managing battery settings.
For UK RC enthusiasts looking for a serious upgrade in battery performance and convenience, the SPM 5000mAh 3S 50C Smart LiPo delivers the combination of power, intelligence and durability that modern RC competition and serious recreational use demands. The 50C continuous discharge rating provides plenty of punch for acceleration and sustained high-speed running, whilst the Smart technology keeps everything simple and foolproof.
Key Features
- Integrated Smart Microchip — Each battery contains an intelligent memory microchip that stores vital battery information including brand, chemistry, cell count, capacity, C rating, battery temperature, and internal resistance. This data uploads automatically to any Spektrum Smart charger, eliminating the need for manual configuration and ensuring consistent, optimised charging every single time you plug in your battery.
- Smart Discharge Function — One of the most innovative features of Spektrum Smart batteries is the ability to program automatic self-discharge to storage voltage. When set up with a Spektrum Smart charger, your battery can be configured to automatically discharge to a safe storage voltage between 12 and 240 hours after you finish using it. This prevents damage from prolonged storage at full charge and extends the overall lifespan of your LiPo cells significantly.
- 50C Continuous Discharge Rating — With a powerful 50C continuous discharge rate, this battery delivers serious performance for high-demand RC applications. Whether you're running aggressive throttle inputs in an RC car, powering a fast RC boat, or demanding maximum performance from your setup, the 50C rating ensures consistent power delivery and minimal voltage sag under load.
- 5000mAh Capacity — The 5000mAh capacity provides an excellent balance between runtime and weight, offering sufficient energy for extended running sessions without the bulk and weight penalty of larger capacity packs. This size is popular across a wide range of RC vehicles including electric RC cars, RC boats, and other platforms requiring 3S LiPo power.
- Three-Cell (3S) Configuration at 11.1V — The three-cell series configuration delivers 11.1V nominal voltage (12.6V fully charged), making this battery compatible with the majority of modern brushless RC systems, from competitive racing setups to high-performance basher platforms. The 3S format is the most popular voltage across consumer and competition RC applications.
- Impact-Resistant ABS Plastic Hardcase — Unlike soft-sided battery packs, this battery is housed in a durable ABS plastic hardcase that protects the cells from mechanical damage during transport, crashes, and rough handling. The hardcase design also helps contain any potential cell damage and improves the overall durability and lifespan of the battery pack.
- IC5 Connector with Smart Data Wire — This battery features the innovative IC5 connector with an integrated data transfer wire. The IC5 is the next-generation connector technology from Spektrum, designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation compared to traditional alternatives. The smart data wire enables the automatic information transfer to compatible chargers.
- Backwards Compatible with EC5 Connectors — Although equipped with the new IC5 connector, this battery is fully compatible with popular EC5 connectors, meaning you can use it with existing equipment. However, Smart technology features only function when the battery is connected to Spektrum Smart devices.
- Charge Cycle Tracking and Error Logging — The integrated microchip maintains a detailed log of all charge and discharge cycles, as well as an error history including incidents of over-charge, over-discharge, and over-temperature events. This data helps you make informed decisions about battery condition and suitability for specific applications.
- Customisable Charge Rates — Spektrum Smart batteries allow you to customise the charge rate for each individual pack based on your needs and charger capabilities. Once you set your preferred rate, the battery remembers it automatically, so future charging sessions use your pre-configured settings without any additional input required.
- Factory-Assembled and Ready to Use — This battery arrives fully assembled with no soldering required, meaning you can unpack it and start using it immediately with any compatible RC system. The IC5/EC5 connectors are pre-installed and tested, saving you setup time and eliminating potential connection issues from amateur soldering.
- Optimised for RC Cars and Boats — These 50C battery packs come in a variety of capacities and cell configurations designed specifically for RC applications. The combination of 5000mAh capacity and 50C rating makes this pack ideal for electric RC cars, RC boats, and similar vehicles requiring sustained high-current discharge.
Technical Performance
The SPM 5000mAh 3S 50C Smart LiPo Hardcase represents a substantial investment in battery technology and performance. From an engineering perspective, this pack combines several sophisticated design elements. The three lithium polymer cells are matched and balanced from the factory to ensure consistent voltage across all three cells. The 11.1V nominal voltage (11.1V at 3.7V per cell) is standard for 3S configurations and is compatible with the vast majority of brushless motor setups designed for 3S LiPo power. The 50C continuous discharge rating means this battery can safely deliver 250 amps of current continuously (5000mAh × 50C = 250A), making it suitable for high-performance applications including competitive racing. The maximum charge rate of 3C (15 amps) allows for reasonably fast charging when using an appropriate charger, balancing charging speed with battery longevity. The impact-resistant ABS plastic hardcase is not merely protective; it helps dissipate heat away from the battery cells during high-discharge situations and maintains pack integrity during impacts and crashes common in RC hobbies. At 300-399 grams in weight and measuring 138.5mm in length, 46.5mm in width, and 35mm in height, this pack offers practical dimensions that fit most modern RC car and boat platforms. The inclusion of 12 AWG wiring ensures proper current handling without excessive voltage drop. The Smart technology layer adds sophisticated battery management capabilities through the integrated G1 Technology microchip, which communicates with compatible chargers via the IC5 data connector. This is genuine engineering innovation that transforms battery management from a manual, error-prone process into an automated, intelligent system that learns your preferences and optimises charging automatically. For serious RC enthusiasts in the UK pushing their equipment hard, whether in competitive environments or during weekend bashing sessions, this level of build quality and performance specification represents the kind of equipment that separates good results from excellent ones.
What's in the Box
- SPM 5000mAh 3S 11.1V 50C Smart LiPo Battery with IC5 connector
- Impact-resistant ABS plastic hardcase
- Instruction manual
- Battery safety sheet (multilingual)
- FCC SDoC documentation
Frequently Asked Questions
- Can I use this 3S LiPo battery with any RC car or boat? — This 3S LiPo battery is compatible with any RC system designed for 11.1V (3S) LiPo power. This includes most modern brushless electric RC cars, RC boats, and hobby-grade RC platforms. However, you should verify that your specific vehicle's motor, ESC (electronic speed controller), and wiring are rated for 3S voltage and can handle the 50C discharge rate. If you're unsure, check your vehicle's manual or contact the manufacturer.
- What charger do I need to use this battery? — To take full advantage of the Smart technology features including automatic charging parameters and smart discharge, you'll need a Spektrum Smart charger. However, this battery is also compatible with any standard LiPo charger through the EC5 connector backwards compatibility. To access the Smart microchip data, you must use a Spektrum Smart charger. Using a standard charger means the battery will function normally but you won't benefit from automatic parameter upload or the smart discharge feature.
- How long will this battery last per charge? — Runtime depends entirely on your RC vehicle's motor, ESC settings, driving style, and the current draw of your specific setup. A 5000mAh battery with a motor drawing 100 amps would theoretically run for 3 minutes (5Ah ÷ 100A = 0.05 hours), whilst lower current setups might achieve 15-30 minutes of runtime. For specific runtime estimates, refer to your RC vehicle's specifications and adjust based on your throttle usage and driving intensity.
- What does the 50C rating mean? — The 50C rating indicates the maximum continuous discharge rate. C stands for capacity, so 50C means the battery can safely discharge at 50 times its capacity continuously. For this 5000mAh battery, 50C equals 250 amps of continuous discharge current. This high discharge rate is essential for high-performance RC applications where motors demand substantial current to deliver acceleration and sustained power.
- Is this battery suitable for beginners? — Yes, the Smart technology actually makes this battery more suitable for beginners because it eliminates much of the complexity in battery management. The automatic charging parameters, simplified charger interface, and self-discharge feature all reduce the chance of accidentally damaging the battery through improper charging or storage. The only requirement is that you use a Spektrum Smart charger to access these benefits. The battery itself is robust and safe when handled properly.
- What is Smart discharge and why do I need it? — Smart discharge is an automatic function that can be programmed to make your battery self-discharge to a safe storage voltage (typically around 3.0V per cell) after a set time between 12 and 240 hours. LiPo batteries are damaged by prolonged storage at full charge, so automatically discharging them to storage voltage extends their lifespan significantly. Without this feature, you must manually discharge batteries after use or risk reduced longevity.
- Can I charge this faster than the recommended 3C maximum charge rate? — The maximum safe charge rate for this battery is 3C (15 amps). Charging faster than this specification will damage the battery and potentially create a safety hazard. If you need faster charging, this battery isn't the right choice for you — consider selecting a battery with a higher maximum charge rate specification. Always follow the manufacturer's charge rate specifications for safe operation.
- What's the difference between IC5 and EC5 connectors? — The IC5 is Spektrum's next-generation connector technology, featuring the same physical dimensions as EC5 connectors but with improved design for better contact pressure, higher heat resistance, and an additional data wire for Smart technology communication. Physically, they are compatible, meaning you can plug an IC5 connector into an EC5 device or vice versa. However, you'll only get Smart features when using compatible Spektrum Smart equipment.
- How do I store this battery properly? — Store your LiPo battery in a cool, dry location away from extreme temperatures. Ideally, use the Smart discharge feature to keep the battery at safe storage voltage (around 3.0V per cell). If not using a Spektrum Smart charger, manually discharge the battery to storage voltage before storing it. Never store a fully charged LiPo battery for extended periods, as this degrades the cells. Store in a fireproof bag or container as an additional safety precaution.
- What does the error log on the Smart microchip track? — The microchip maintains a record of any unhealthy events including over-charge, over-discharge, and over-temperature incidents. This information helps you understand if a battery has been mishandled, abused, or is experiencing problems. If a battery shows excessive error events, it may be approaching end of life or unsuitable for demanding applications, and you can make informed decisions about whether to retire it or continue using it for less critical purposes.
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 SPM 5000mAh 3S 11.1V 50C Smart LiPo Hardcase; IC5 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.
