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Spektrum 5000mAh 2S 7.4V 50C Smart LiPo Battery IC3 O-SPMX50002S50H3

Model No: O-SPMX50002S50H3


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£64.99

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£57.99

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Smart 50C Air LiPo Battery

Smart Technology Overview

LiPo batteries with Spektrum Smart technology practically take care of themselves. When combined with a Spektrum Smart Battery Charger, the unique parameters, history of the battery and more are all available the instant it's connected. Charging a Smart Battery is easy as it gets, plus Smart LiPo battery packs are programmable to meet your exact charging needs. But the crowning feature of a Spektrum Smart LiPo battery is that it can be programmed to safely self-discharge to storage condition. That's a Smart Battery pack!

Spektrum Smart technology is about offering a higher connection to your hobby. It's a connection that puts you in complete control, makes you more aware and more confident about the capability of your equipment-all the while making your hobby easier. The combined result will make you wish everything about your hobby was "smarter." Spektrum Smart LiPo Batteries are a part of a wide series of Smart technology products now available.

Key Features

  • Integrated microchip stores unique parameters for each battery
  • Smart discharge allows batteries to automatically discharge to a safe voltage
  • Save time and hassle, while improving battery life
  • Powerful 50C continuous discharge rating to deliver high performance and longevity
  • Protective outer metal alloy sheet helps dissipate heat, hold battery shape, and increase durability
  • No soldering required, equipped with IC3 and IC5 Connectors that are compatible with EC3 and EC5
  • 50C battery packs are available in a variety of capacities and cell counts that are perfect for almost any application

Feature Overview

You'll never have to set charge preferences for a Spektrum Smart battery until you want to. When a Spektrum Smart LiPo battery is connected to a Spektrum Smart charger, unique parameters and health of that Smart LiPo battery upload from the Smart memory microchip integrated into the battery. Through the charger, you can view and set preferences, such as charge rates, so that all you have to do to charge the pack every time is press the charger "Start" button. Smart technology takes care of the rest.

Our new Spektrum Smart 50C LiPos come in a variety of popular sizes and are ready to drop into your RC aircraft for better performance, power, and reliability. These are the perfect packs for high performance models and power systems and a great upgrade to get more punch and power on nearly any setup.

Spektrum Smart LiPo Batteries Store Unique Data, Such As:

  • Battery Brand
  • Battery Type
  • Battery Capacity
  • Battery C Rating
  • Individual Cell Voltage
  • Battery Temperature
  • Charge/Discharge Cycles

Spektrum Smart LiPo batteries also maintain an error log including the number of over-heat, over-discharge and over-charge incidents which can be helpful data in assuring that the battery you've chosen is right for the application. A Smart Battery uploads its charge parameters to a Spektrum Smart Charger automatically making charging as simple as pressing the "Start" button. The charge rate of every Smart Battery is customizable, allowing you to take full advantage of packs with faster charge ratings.

 
Smart Battery Technology

Smart Battery Technology

When connected to a Spektrum Smart charger, unique parameters and health of your Smart LiPo battery upload from the Smart memory microchip integrated into the battery. Through the charger, you can set and record preferred settings, such as charge rates and self-discharge options, so that all you have to do to charge the pack is press the "start" button. Smart technology will take care of the rest. Every Smart LiPo battery is factory assembled with the next-generation IC3 and IC5 output connector that utilizes a data transfer wire to relay saved information to your Smart Chargers.

Data Rich

Data Rich

An integrated microchip allows each Smart Battery to save vital information such as battery brand, chemistry, cell count, capacity, number of charging cycles, number of discharges, C rating, battery temperature, and internal resistance. Additionally, each battery will save a log of unhealthy events such as over-charge, over-discharge, and over-temperature. This allows you to make the most informed decision about each battery when you are getting your gear ready for a day at the field or the track

 

Simple and Quick

Simple and Quick

Preset charge, discharge, and storage parameters are automatically relayed to a Spektrum Smart Charger making charging as simple as pressing the "start" button. Charge rate of individual batteries can be user customized allowing you to take full advantage of packs with faster charge ratings. The integrated microchip on each battery will remember the last charging rate you set, so the next time you plug it in, these settings will automatically populate so all you have to do is press "Start." Another feature that the Smart microchip allows is single-connection balance charge. When you plug in your IC3 or IC5 connector to the charger, individual cell voltage is automatically relayed to the Smart charger and allows you to balance charge without fussing with standard balance connectors.

New IC3 & IC5 Connectors

New IC3 & IC5 Connectors

The innovative Smart connection is made possible by an installed microchip on every battery, feeding the unique information through a data cable to the new IC3 and IC5 connectors. The IC series of connectors are designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation. For those using the popular EC3 and EC5 connectors, there's no need to worry. The IC connector series is entirely backwards compatible with existing connectors so you can use Smart Batteries with older systems, but only when connected to a Spektrum Smart device are all the benefits of Smart technology obvious.

 

Smart Discharge

Smart Discharge

LiPo batteries with Spektrum Smart technology practically take care of themselves. When programmed with a Spektrum Smart Charger, Smart Batteries will automatically discharge to your predetermined storage voltage when they are left to rest for a time period you choose, between 12 and 240 hours. This feature will help to extend the life of your Smart Batteries by preventing your batteries from sitting fully charged for an extended period of time, which can damage the chemical integrity of Lithium Polymer cells. This unique feature results in longer battery life expectancy and better performance over the life of the pack.

  • Model Number: O-SPMX50002S50H3
  • Brand: Spektrum
  • Product Type: Smart LiPo Battery (2-cell)
  • Battery Chemistry: LiPo (3.7V per cell nominal)
  • Nominal Voltage: 7.4V
  • Battery Capacity: 5000mAh
  • Cell Configuration: 2S (2 cells in series)
  • Discharge Rate: 50C continuous
  • Maximum Burst Discharge Rate: 50C
  • Charge Rate: 5C maximum
  • Maximum Charge Current: 25A
  • Normal Standard Charge Rate: 1C
  • Normal Standard Charge Current: 5A
  • Energy Capacity: 38Wh
  • Case Type: Hardcase (protective metal alloy sheet exterior)
  • Primary Connector: IC3 with double-sided bullet design
  • Balance Connector: Pro Race Series 2-Pin Balance Connector
  • Connector Compatible With: EC3 connectors
  • Overall Length: 96mm (3.77 inches)
  • Overall Width: 47mm (1.85 inches)
  • Overall Height: 25mm (0.98 inches)
  • Weight: 175g (6.17 oz)
  • Technology: Spektrum Smart with integrated microchip
  • Programmable: Yes
  • Auto Storage Discharge: Yes – automatically discharges to 3.90V per cell after 72 hours of inactivity (user-customisable)
  • Data Logging Features: Stores battery brand, type, capacity, C rating, cell voltage, temperature readings, charge cycles, discharge cycles, internal resistance – maintains error log of over-heat, over-discharge, and over-charge incidents
  • Charge Protection Circuitry: Yes
  • Software Updates: Yes (compatible with Spektrum chargers)
  • ROAR Approved: Yes (approved for competitive racing)
  • Application: Surface/Racing
  • Suitable For: 1/10 and 1/8 scale RC racing vehicles including Stadium Trucks, Short Course Trucks, Buggies, and other 2S LiPo compatible models
  • Included Accessories: (1) Conventional Charge Adapter with IC3 connector
  • Compatible With: Any quality LiPo charger (with included adapter); Spektrum Smart Battery Charger recommended for full Smart technology benefits
  • Special Features: Shorter, more compact Shorty design for low centre of gravity setups; Double-sided main connector for added user-friendliness; New improved design with extreme durability case; Innovative graphene polymer chemistry (as referenced in Spektrum Smart Pro Series specification)

Overview

The SPM 5000mAh 2S 7.4V 50C Smart LiPo Hardcase battery represents a significant step forward in reliable power delivery for RC racing enthusiasts across the UK. Designed specifically for high-performance surface vehicles, this Spektrum Smart battery combines intelligent technology with proven LiPo chemistry to give you consistent power throughout every run. Whether you're preparing for competitive racing or weekend bashing with your RC car UK, this 5000mAh capacity provides excellent runtime whilst maintaining the compact form factor that serious racers demand.

This is a brushless RC battery designed for serious hobbyists and competitors who demand reliability, consistency and intelligent power management. The integrated Smart technology means your battery practically takes care of itself, automatically monitoring its own health and adjusting to optimal performance parameters. When paired with a Spektrum Smart charger, setup is incredibly simple – just connect and let the battery's microchip communicate all necessary charging information to your charger. This removes guesswork from the equation and ensures you're always charging safely and efficiently.

The SPM 5000mAh is perfect for drivers running 2-cell (2S) LiPo systems in 1/10 and 1/8 scale RC racing models, including stadium trucks, buggies and short course trucks. The hardcase construction protects your investment, whilst the IC3 connector ensures compatibility with a wide range of ready to run RC vehicles. For anyone serious about getting the most out of their RC car UK experience, this Smart LiPo battery delivers podium-level performance with worry-free intelligent management.

Key Features

  • Spektrum Smart Technology with Integrated Microchip — The battery contains an intelligent memory microchip that stores essential battery data including brand, type, capacity, C rating, cell voltage, temperature readings, and complete charge/discharge cycle history. This data uploads automatically to any Spektrum Smart charger, eliminating the need to manually input charging parameters. The Smart system also maintains a detailed error log recording any over-charge, over-discharge, or over-temperature incidents, giving you complete confidence in your battery's health and suitability for your application.
  • Powerful 50C Continuous Discharge Rating — With a maximum burst discharge rate capability, this battery delivers the sustained high-amperage output that competitive RC racing demands. The 50C rating ensures consistent power delivery to your motor and ESC throughout the entire run, translating directly into reliable acceleration, top speed and handling performance lap after lap without voltage sag.
  • Intelligent Auto Storage Discharge Function — This is one of the most convenient features of Spektrum Smart batteries. Your battery comes factory-programmed to automatically discharge to a safe storage voltage of 3.90V per cell after just 72 hours of inactivity. This eliminates the need for manual storage routines and dramatically extends the lifespan of your battery pack. You can customise this setting based on your own preferences through any Spektrum Smart charger, giving you complete control over your battery management.
  • High-Performance 5C Maximum Charge Rate — The 5000mAh capacity supports charging at up to 5C (25A maximum charge current), allowing you to get back on the track quickly without compromising battery health. This super-fast charge capability means less time spent waiting and more time racing. The battery's advanced internal construction handles these high charge rates safely, whilst a conventional charge adapter is included for use with non-Smart chargers if required.
  • Protective Hardcase with Durable Metal Alloy Sheet — Unlike soft-case batteries that can be damaged in transport or storage, this hardcase design features a protective outer metal alloy sheet. This serves multiple critical functions: it helps dissipate heat generated during high-discharge racing, maintains the battery's shape under stress, and significantly increases overall durability. The hardcase protects your investment and ensures consistent performance session after session.
  • IC3 Connector with Double-Sided Bullet Design — The main IC3 connector features an innovative double-sided bullet configuration that provides added user-friendliness and flexibility in battery placement within your RC car UK. No soldering is required – simply connect and go. The IC3 connector is compatible with EC3 connectors, making it versatile across many different RC racing platforms and allowing you to swap batteries between compatible vehicles effortlessly.
  • Compact Shorty Design for Low Centre of Gravity — Racing at the highest level demands a low centre of gravity for improved handling and stability. The Shorty design delivers 5000mAh capacity in a more compact footprint than standard batteries, helping you achieve optimal weight distribution in your RC vehicle. This compact form factor is particularly valued by competitive racers running 1/10 scale buggies and short course trucks where every millimetre of chassis balance matters.
  • Programmable Parameters with Memory Retention — Unlike fixed batteries, this Smart LiPo is fully programmable. Through any Spektrum Smart charger, you can customise charge rates, discharge settings, and storage preferences to match your exact needs. The battery remembers your last-used charge rate settings and applies them automatically next time you connect, saving time and ensuring consistency across your racing programme.
  • Data-Rich Battery History Tracking — Every time you use your battery, the integrated microchip records critical information: number of charge cycles, number of discharge cycles, peak battery temperatures, and internal resistance measurements. This comprehensive data log allows you to make informed decisions about battery suitability for specific applications and helps you optimise your fleet of batteries for maximum lifespan.
  • ROAR Approved for Competitive Racing — This battery meets ROAR (Radio Operated Auto Racing) approval standards, meaning it's permitted for use in sanctioned competitive racing events across the UK and internationally. Serious racers and competitors can rely on this battery in their race vehicle without any regulatory concerns.

Technical Performance

The SPM 5000mAh 2S 7.4V 50C Smart LiPo Hardcase represents serious engineering designed specifically for high-performance RC racing applications. The 7.4V nominal voltage (7.6V maximum with Smart technology) across two cells delivers excellent power characteristics for 1/10 and 1/8 scale racing vehicles, balancing motor torque and top speed with electrical efficiency. The 5000mAh capacity provides extended runtime suitable for multiple-heat racing formats where you need sustained performance without battery changes mid-competition. The 50C discharge rating means this 5000mAh pack can safely deliver up to 250 amps of continuous current, more than sufficient for brushless RC racing motors and high-performance electronic speed controllers. The battery weighs 175 grams (6.17 oz) and measures 96mm long by 47mm wide by 25mm tall, fitting comfortably in the tight battery compartments of modern racing vehicles. The hardcase construction features a durable metal alloy sheet exterior that provides thermal management and physical protection, critical for the vibration and impacts experienced during competitive racing. The 38Wh energy capacity stores substantial power in a compact package optimised for low centre of gravity setups. Whether you're running a Stadium Truck, Short Course Truck, Buggy or other 2S LiPo platform at UK racing venues, this battery delivers the consistent power, intelligent management and reliability that separates winners from the rest of the field. The fully sealed hardcase with integrated Smart electronics means no exposed wiring or balance connectors to snag or damage, and the double-sided IC3 bullet connector provides simple, tool-free connection and disconnection.

What's in the Box

  • 1x SPM 5000mAh 2S 7.4V 50C Smart LiPo Hardcase Battery with IC3 connector
  • 1x Conventional Charge Adapter with IC3 connector (for use with non-Smart chargers)

What You Need to Complete

  • A compatible Spektrum Smart Battery Charger (recommended for full Smart technology benefits, though battery can be charged with any quality LiPo charger using the included adapter)
  • An RC vehicle with 2-cell (2S) LiPo battery compatibility and IC3 or EC3 connector
  • A safe charging location and LiPo charging bag for safe battery storage and charging

Frequently Asked Questions

  • Is this Spektrum Smart battery suitable for beginners or only experienced racers? — Whilst this is a premium Smart battery designed with competitive racers in mind, the Smart technology actually makes it more suitable for all experience levels. Beginners benefit greatly from the automatic charging parameters – you simply plug it in and the battery tells your charger how to charge it safely. The auto storage discharge feature means you don't have to worry about manual battery maintenance. Experienced racers appreciate the detailed data logging and programmable parameters. The Smart microchip essentially acts as a battery management assistant for everyone.
  • What is the difference between this 50C model and other Spektrum Smart batteries? — Spektrum offers Smart batteries in various discharge ratings. The 50C rating in this model makes it suitable for high-performance racing applications. Spektrum also produces Smart batteries with different discharge ratings for different applications – lower C ratings for casual bashing, higher C ratings for extreme racing. This 50C version hits the sweet spot for serious competitive racing without excessive heat generation. The Smart technology across all Spektrum batteries is identical – it's the discharge capability that varies.
  • Can I use this battery with a non-Smart charger? — Yes, absolutely. The battery includes a conventional charge adapter with IC3 connector, allowing you to charge this Smart LiPo on any quality LiPo charger. However, you'll lose the key Smart benefits – you'll need to manually set charging parameters and won't have access to the battery's detailed health information and performance data. To get the full value from this Smart battery, a Spektrum Smart charger is highly recommended. The Smart charger automatically reads the battery's requirements and charges safely and efficiently.
  • How long does this 5000mAh battery run on a single charge in an RC car? — Runtime depends on your specific RC vehicle's power consumption, weight, terrain, and driving style. The 5000mAh capacity paired with 2S voltage typically provides 15-25 minutes of runtime in competitive racing conditions. This makes it ideal for multiple-heat race formats where you use fresh batteries for each heat. In casual bashing with lower power consumption, you might see 25-35 minutes. The consistent 50C discharge rating ensures voltage doesn't sag significantly during the run, maintaining performance throughout.
  • What does the auto storage discharge feature do and why is it important? — After 72 hours of not being used, your Spektrum Smart battery automatically discharges itself to 3.90V per cell – the ideal voltage for long-term storage. Over-charged or fully-charged batteries stored for extended periods suffer accelerated degradation and reduced lifespan. By maintaining proper storage voltage automatically, your battery stays healthier longer. This is particularly valuable for seasonal racers or anyone with multiple batteries in rotation. You can customise the auto-discharge timing through your Spektrum Smart charger if you prefer different settings.
  • Is this battery waterproof or weather-resistant for outdoor racing? — The hardcase exterior and sealed construction provide excellent protection against moisture and dust compared to soft-case batteries. However, this is not a fully waterproof battery and should not be submerged. The hardcase protects the battery during typical outdoor RC racing in wet conditions, but you should avoid splashing water directly into the connector and allow any external moisture to dry before charging. The sealed design and protective metal alloy case provide weather resistance suitable for UK outdoor racing venues.
  • What makes the Shorty design better than standard batteries? — Standard-length 5000mAh batteries are taller and can raise the centre of gravity in your RC car, negatively affecting handling and cornering stability. The Shorty design delivers the same 5000mAh capacity in a more compact, shorter profile. This allows you to mount the battery lower in your vehicle chassis, improving weight distribution and lowering the centre of gravity – critical advantages in competitive racing where handling precision wins races. The Shorty design is particularly popular among 1/10 buggy and short course truck racers.
  • How do I know when my Smart battery needs replacing? — The integrated microchip tracks all cycling data and error logs. Through your Spektrum Smart charger, you can view the battery's complete history including charge cycles, discharge cycles, and any over-temperature, over-charge, or over-discharge events. Most LiPo batteries maintain 80% capacity after 200-300 cycles. If you notice significantly reduced runtime, increased voltage sag under load, or if the battery logs repeated thermal events, it's time to replace the pack. Spektrum's data logging makes these decisions straightforward.

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 2S 7.4V 50C Smart LiPo Hardcase; IC3 O-SPMX50002S50H3 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.

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