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.
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- Battery Type: LiPo (Lithium Polymer, 3.7V per cell)
- Configuration: 6S (6 cells in series)
- Nominal Voltage: 22.2V
- Capacity: 4000mAh
- Continuous Discharge Rating: 50C
- Maximum Continuous Discharge Current: 200 amps (4000mAh × 50C)
- Maximum Charge Rate: 3C (12 amps)
- Connector Type: IC5 (with IC3 backwards compatibility)
- Balance Connector: JST/XH
- Wire Gauge: 12 AWG
- Integrated Technology: Spektrum Smart G1 technology microchip
- Smart Features: Data logging, automatic smart discharge (12-240 hour programmable), error log tracking (over-charge, over-discharge, over-temperature incidents)
- Stored Data: Battery brand, type, capacity, C-rating, individual cell voltage, battery temperature, charge cycles, discharge cycles, internal resistance
- Length: 5.51 inches (140mm)
- Width: 1.69 inches (43mm)
- Height: 1.73 inches (44mm)
- Weight: 22.04 ounces (625 grams)
- Construction: Soft case with protective outer metal alloy sheet
- Charge Protection: Integrated circuitry
- Storage Ready: Yes (with Spektrum Smart charger programming)
- Applications: Air and automotive RC models
- Connectors: Pre-assembled, no soldering required
- Roar Approved: No
Overview
The Spektrum 22.2V 4000mAh 6S 50C Smart LiPo Battery with IC5 connector is a premium lithium polymer power solution designed for high-performance RC aircraft and demanding aerial applications. This intelligent battery pack combines cutting-edge Smart technology with exceptional discharge capabilities, making it an ideal choice for serious RC pilots who demand reliability, performance and convenience. Whether you're flying competitive racing drones, high-performance RC planes, or tackling challenging aerial manoeuvres, this 6S LiPo battery delivers the sustained power and stability needed for extended flight sessions.
Built by Spektrum, a recognised leader in RC technology, this Smart LiPo battery incorporates an integrated microchip that transforms the way you manage your RC battery collection. Unlike conventional RC batteries that require manual charge settings and monitoring, this Smart battery automatically communicates with compatible Spektrum Smart chargers, uploading its unique parameters and complete charge history instantly. This means less time spent configuring chargers and more time enjoying your RC hobby. The battery is equipped with both IC5 and IC3 compatible connectors, ensuring broad compatibility across current and legacy RC systems whilst delivering enhanced connection reliability and heat resistance compared to older connector standards.
RC enthusiasts across the UK and beyond have embraced Smart battery technology for its combination of intelligence, durability and performance. The 4000mAh capacity provides substantial flight time for RC aircraft, whilst the impressive 50C continuous discharge rating ensures this battery can handle the most demanding power systems. Whether you're a weekend basher pushing your RC setup to its limits, or a dedicated RC competitor seeking every advantage on the airfield, this Spektrum battery represents a significant upgrade that will enhance your RC flying experience.
Key Features
- Spektrum Smart Technology Microchip — An integrated microchip is embedded within the battery itself, storing critical data such as battery brand, capacity, cell count, C-rating, charge cycles, discharge cycles, temperature readings and internal resistance measurements. This permanent record of your battery's health helps you make informed decisions about which packs are suited to specific applications and ensures you're always using the right tool for the job.
- Automatic Smart Discharge Function — When programmed via a compatible Spektrum Smart charger, this battery can be set to automatically discharge itself to a safe storage voltage between 12 and 240 hours after your flying session ends. This intelligent feature prevents the chemical degradation that occurs when lithium polymer cells remain fully charged for extended periods, dramatically extending your battery's lifespan and maintaining consistent performance over hundreds of charge cycles.
- Zero-Soldering IC5 and IC3 Connectors — The battery arrives fully assembled with both IC5 and IC3 output connectors already installed, eliminating the need for soldering and connector swapping. The innovative IC connector series features superior design engineering with improved electrical contact reliability, enhanced heat dissipation properties and effortless installation compared to older standards. Best of all, these connectors remain fully backwards compatible with legacy EC5 and EC3 equipped RC systems, so this Smart battery works seamlessly with your existing equipment.
- Powerful 50C Continuous Discharge Rating — With a maximum continuous discharge current of 200 amps (calculated as 4000mAh × 50C), this battery delivers sustained high-power output perfect for high-performance RC aircraft, drone racing and power-hungry flight systems. The 50C rating means this battery can handle aggressive flying styles without voltage sag or performance degradation, maintaining stable power delivery throughout your flight session.
- Protective Metal Alloy Outer Shell — Rather than relying on soft fabric casings alone, this battery is equipped with a protective outer metal alloy sheet that serves multiple functions simultaneously. The metal construction helps dissipate heat generated during discharge, preventing dangerous temperature spikes that can damage lithium cells. Additionally, the rigid metal shell holds the battery's shape under extreme physical stress, and the robust construction increases overall durability, extending the battery's operational lifespan even in demanding conditions.
- Data Logging and Error Tracking — The onboard microchip maintains a comprehensive error log recording every instance of over-charge, over-discharge and over-temperature incidents throughout the battery's life. This invaluable historical data lets you identify which RC setups or flying patterns stress your batteries, helping you adjust your approach to maximise battery longevity and prevent future damage.
- Customisable Charge Rate Programming — Spektrum Smart batteries remember your preferred charge rate settings once you've configured them in your Smart charger. Every subsequent charge automatically populates with your last-used settings, allowing you to take full advantage of faster charge rates (up to 3C maximum) without manual reconfiguration, saving precious time between flying sessions.
- Air and Automotive Applications — Engineered for versatility, this battery suits both aerial RC platforms and ground-based RC vehicles, making it a genuinely multi-purpose power solution for serious RC hobbyists with diverse equipment collections.
Technical Performance
This Spektrum Smart battery represents the pinnacle of modern RC battery engineering, combining intelligent electronics with premium lithium polymer cell chemistry. The 6S configuration delivers 22.2V nominal voltage (6 cells × 3.7V per cell), providing the substantial power required by contemporary high-performance RC systems. The 4000mAh capacity has been carefully calculated to deliver extended flight times whilst maintaining manageable weight and dimensions for RC aircraft applications. Weighing 625 grams (22.04 ounces), this battery positions itself as a substantial power source that won't dramatically compromise your RC model's weight budget when properly balanced in your airframe.
The physical dimensions of 140mm length × 43mm width × 44mm height (5.51 × 1.69 × 1.73 inches) have been optimised to fit within the battery bays of most modern RC aircraft whilst maintaining sufficient internal volume for the integrated Smart microchip and protective metal alloy shell. The 12 AWG wire gauge provides excellent current handling capacity without excessive weight penalty, ensuring voltage remains stable even under the demanding 200-amp discharge loads this battery is capable of delivering. The maximum charge rate of 3C (12 amps) means you can recharge this battery in approximately 20 minutes when using a compatible Spektrum Smart charger with sufficient output capacity, though slower charging rates are recommended for maximum longevity. The protective metal alloy construction provides superior heat dissipation compared to conventional soft-case batteries, keeping cell temperatures within optimal operating ranges during sustained high-drain flying sessions.
What's in the Box
- 1 × Spektrum 22.2V 4000mAh 6S 50C Smart LiPo Battery
- IC5 and IC3 compatible connectors (pre-installed, no assembly required)
- JST/XH balance connector for charging
- Integrated Smart microchip with data cable
- Instruction manual
- Safety documentation sheets (multilingual)
What You Need to Complete
- Spektrum Smart Battery Charger (required to access full Smart battery features and automatic discharge capability; older chargers can still charge the battery conventionally)
- RC aircraft or vehicle compatible with 6S LiPo batteries and IC5/EC5 or IC3/EC3 connectors
- Appropriate battery charging cable if your charger doesn't include IC5 connector leads
- LiPo battery safe storage bag (recommended for safe long-term storage)
Frequently Asked Questions
- Will this Smart battery work with my existing RC charger? — Yes, absolutely. The Spektrum Smart LiPo battery is backwards compatible with all conventional RC chargers thanks to its IC5 connector that works with legacy EC5 systems. However, to access the revolutionary Smart features including automatic discharge to storage voltage, data logging and simplified one-button charging, you'll need a compatible Spektrum Smart charger. Many RC pilots find the Smart charger investment worthwhile given the battery management convenience and longevity benefits it provides.
- How long does this battery take to charge? — Using a 3C charge rate (the maximum safe charge rate for this 4000mAh battery, which equals 12 amps), you can fully recharge this pack in approximately 20 minutes. Many RC pilots prefer slower 2C charge rates (8 amps) for approximately 30 minutes, or even 1C rates for 60 minutes, as slower charging extends lithium cell lifespan. A compatible Spektrum Smart charger makes these choices effortless by remembering your preferred rate.
- What is the difference between Smart and conventional LiPo batteries? — Smart batteries contain an integrated microchip that stores detailed historical data about the battery including charge cycles, temperature readings, and any error events such as over-charge or over-discharge incidents. When connected to a Spektrum Smart charger, this data uploads automatically, allowing the charger to optimise charging parameters for that specific battery. Additionally, Smart batteries can be programmed to automatically discharge to safe storage voltage after a period you choose (12 to 240 hours), preventing the chemical degradation that occurs when lithium cells remain fully charged. Conventional batteries lack these features and require manual charge settings for each session.
- Is this suitable for beginners to RC flying? — Whilst this is an excellent quality battery that will work reliably with any compatible RC aircraft, the full advantages of Smart technology are most appreciated by intermediate to advanced RC pilots who own multiple batteries and fly regularly. Beginners might find a single conventional LiPo battery with a basic charger more than adequate initially, though upgrading to Smart technology later provides noticeable quality-of-life improvements in battery management. The 50C discharge rating is genuinely powerful and suits high-performance aircraft; beginner-level trainers may be satisfied with lower discharge ratings, though this battery will certainly work safely with them.
- How many times can this battery be recharged? — Lithium polymer batteries are rated by cycle life rather than giving a specific number of charges. With proper care, including avoiding full discharge and preventing overcharge, a quality Spektrum Smart LiPo can deliver hundreds of charge cycles. The built-in error log will track any damaging events (over-charge, over-discharge, over-temperature) that can prematurely degrade cell chemistry. The automatic smart discharge feature helps maintain optimal cell voltage between flights, significantly extending your battery's overall lifespan compared to conventional batteries left fully charged.
- What is the 50C rating and why does it matter? — The C rating indicates how rapidly a battery can safely discharge its full capacity. A 50C rating means this 4000mAh battery can discharge at 50 times its capacity, which equals 200 amps maximum continuous discharge. This exceptional rating suits high-performance RC aircraft with powerful electric motors, allowing sustained high-power output without voltage sag or cell damage. Lower C ratings would restrict your RC model's acceleration and sustained power delivery. The 50C designation is one of the key performance advantages of this battery over lower-rated alternatives.
- Does this battery come with a charger? — No, the battery is sold separately from charging equipment. You'll need a compatible RC LiPo charger to charge this battery. A conventional 6S LiPo charger will work fine, though a Spektrum Smart charger unlocks the advanced features. The battery does include a JST/XH balance connector for safety charging on any LiPo-compatible charger.
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 4000mAh 6S 22.2V 50C Smart LiPo Battery; 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.
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