Spektrum 7.4V 2S Smart G2 LiPo Receiver Battery Overview
Drivers and pilots enjoy even more Smart advantages when using Spektrum™ Smart G2 LiPo batteries. Generation 2 features make these powerful LiPo packs even simpler and safer to use together with your Smart charger.
For example, Spektrum Smart G2 technology makes it much easier to balance charge your LiPo batteries. Balancing information travels through the unique data wire of each Smart G2 battery's innovative IC3® connector. As a result, only a single connection is needed - no separate balance lead is required.
Smart G2 batteries come from the factory programmed to discharge automatically to a safe storage voltage of 3.90V after 72 hours of inactivity. The benefits include longer battery life, better performance over the life of the pack, and the peace of mind that comes from knowing your Smart battery is maintenance-free. You can change the battery's Auto Storage settings based on your own preferences. G2 batteries also offer a storage discharge rate that's three times faster than the previous G1 Smart batteries.
Smart G2 soft-case LiPo packs also include thicker internal metal side plates. These plates improve heat dissipation and provide more protection for the cells against punctures during rough landings or in similar impact-prone situations.
As with other Smart batteries, you'll never have to set your own charging preferences for a Spektrum Smart G2 battery until you want to. When a Smart G2 LiPo battery is connected to a Spektrum™ Smart charger, its unique charging parameters and health information upload to the charger from the battery's integrated memory microchip. Through the charger you can view and set preferences such as charge rates, so all that's required to charge the pack is connecting it to your Smart charger. Smart technology takes care of the rest.
Spektrum Smart G2 LiPo batteries store a wide variety of essential information, including:
- Battery Brand
- Battery Type
- Battery Capacity
- Battery C Rating
- Individual Cell Voltage
- Battery Temperature
- Charge/Discharge Cycles
Spektrum Smart G2 LiPo batteries also maintain an error log including the number of over-heat, over-discharge and over-charge incidents. This data can be helpful in assuring that the battery you've chosen is right for the application. Innovative Spektrum Smart G2 LiPo batteries are so easy to use, they nearly take care of themselves. It's easy to achieve peak battery performance, reliability and longevity with Smart G2 technology!
Note: Smart G2 batteries require the use of a Spektrum Smart Charger. Update your Spektrum Smart Charger for all the latest advancements in Smart Technology.
Spektrum 7.4V 2S Smart G2 LiPo Receiver Battery Features
- Simpler and safer to use
- Balance charge through the IC3® connector data wire - with only one connection, no balance lead required
- Faster Auto Discharge at up to 1.5A to safe storage voltage for long battery life and improved performance
- Thicker internal metal side plates protect cells and improve heat dissipation
- Integrated microchip stores unique parameters for each battery
- IC3® connectors are also compatible with EC3™ style
- Spektrum Smart charger required
Spektrum Smart G2 Family
Overview
The Spektrum 7.4V 2700mAh 2S 15C Smart G2 Receiver LiPo Battery with IC3 connector represents the pinnacle of intelligent battery technology for RC enthusiasts across the UK. Whether you're piloting a precision RC aircraft, managing a demanding RC car, or operating any intelligent receiver system, this Smart G2 battery delivers exceptional performance coupled with revolutionary convenience features that set it apart from standard batteries. The 2700mAh capacity provides outstanding flight or runtime duration, whilst the 15C discharge rate ensures reliable, consistent power delivery for demanding receiver loads. This is not just another RC battery—it's a smart system that communicates with your Spektrum Smart charger, eliminating guesswork and delivering professional-grade results every single time.
Designed specifically for receiver applications that demand reliability and longevity, this 7.4V 2S LiPo battery integrates seamlessly with any RC setup equipped with a Spektrum Smart charger. The IC3 connector has become the recognised standard among serious RC hobbyists in the UK and worldwide because it combines the innovative data transfer capabilities of Smart G2 technology with a robust, reliable mechanical connection. Whether you're an experienced RC competitor, a dedicated weekend basher, or an enthusiast discovering advanced battery technology for the first time, this Smart G2 battery will transform your charging experience and extend the operational life of your RC equipment.
Smart G2 technology represents a quantum leap forward in battery intelligence and safety. Unlike conventional LiPo batteries that require manual balancing and carry inherent risks of damage through improper charging, the Spektrum Smart G2 system handles the technical complexity for you. The battery stores comprehensive data about its own health, specifications and optimal charging parameters, uploading this information automatically to your Smart charger when connected. This means you never need to worry about setting incorrect charge rates, balancing problematic cells, or storing your battery at risk of damage—the system manages everything intelligently and safely.
Key Features
- Smart G2 Technology — The integrated microchip microcomputer within this battery stores essential information including battery brand, type, capacity and charging parameters, uploading this data wirelessly to your Spektrum Smart charger for perfectly optimised charging every single time without any manual intervention or expertise required.
- Auto Storage Discharge — Factory programmed to automatically discharge to a safe storage voltage of 3.90V after 72 hours of inactivity, this feature eliminates the most common cause of LiPo battery damage and degradation, protecting your investment and dramatically extending battery lifespan whilst eliminating the need for maintenance.
- Three Times Faster Storage Discharge Rate — Compared to previous generation G1 Smart batteries, the G2 storage discharge function operates three times faster, bringing your battery to safe storage voltage in substantially less time and reducing the risk of over-voltage damage during extended storage periods.
- Simplified Balance Charging — The innovative IC3 connector features a unique integrated data wire that eliminates the requirement for a separate balance lead entirely; balancing information travels through this single connection, reducing connector complexity and points of failure whilst making the charging process dramatically simpler.
- Enhanced Internal Protection — These soft-case Smart G2 packs include thicker internal metal side plates constructed from robust materials that significantly improve heat dissipation during demanding discharge cycles and provide substantially more protection for the delicate cells against punctures during rough landings or similar impact situations common in RC bashing.
- Automatic Charging Configuration — When connected to any Spektrum Smart charger, this battery requires only a single physical connection; the charger automatically receives all the information needed to charge safely at optimal rates—you simply connect and let the intelligent system handle all technical decisions.
- IC3 Connector Reliability — The IC3 connector has become the recognised industry standard amongst serious RC hobbyists because it provides a robust mechanical connection combined with intelligent data transfer, ensuring reliable operation through countless charge cycles.
- Comprehensive Battery Memory — The integrated microchip stores a wide variety of essential information that remains accessible to your charger and monitoring equipment, enabling informed decisions about your battery's health, performance history and optimal charging procedures.
- 7.4V 2S Configuration — The two-cell lithium polymer design delivers 7.4 nominal voltage, providing substantial power output suitable for demanding receiver applications whilst maintaining the safety advantages of lower voltage chemistry compared to higher cell-count alternatives.
- 2700mAh Capacity — This substantial capacity ensures exceptionally long runtime or flight time, making this battery ideal for serious enthusiasts who demand extended operational periods between charging sessions without compromising weight or physical dimensions.
Technical Performance
The Spektrum Smart G2 7.4V 2700mAh receiver battery represents a significant engineering achievement in intelligent energy management for RC applications. The 2700mAh capacity delivers exceptional runtime performance, providing hours of reliable operation for demanding receiver systems in RC aircraft, helicopters, ground vehicles and maritime vessels throughout the UK and beyond. The 15C continuous discharge rate ensures stable voltage delivery under sustained load conditions, preventing the voltage sag that can cause receiver dropout or performance degradation during critical manoeuvres or racing conditions. The soft-case construction incorporates premium lithium polymer chemistry optimised for receiver applications, where reliability and consistent performance are absolutely paramount. The thicker internal metal side plates significantly enhance thermal management during discharge, dissipating heat effectively and preventing the cell damage that often occurs in lower-quality batteries during sustained high-draw operations. The IC3 connector provides gold-plated contact surfaces that maintain electrical integrity through hundreds of charge and discharge cycles, with minimal contact resistance even after extended use. Construction throughout emphasises reliability and longevity; every component from the internal cell chemistry to the external connector has been engineered for professional-grade performance. The battery integrates seamlessly with the broader Spektrum Smart battery ecosystem, enabling advanced monitoring, logging and diagnostic capabilities through compatible chargers and telemetry systems. For serious RC enthusiasts in the UK who demand batteries that combine intelligent safety features with exceptional performance characteristics, this Smart G2 battery sets the professional standard.
What's in the Box
- Spektrum 7.4V 2700mAh 2S 15C Smart G2 Receiver LiPo Battery with IC3 connector
- Soft-case protective housing
What You Need to Complete
- Spektrum Smart Charger (required for optimal Smart G2 battery charging and automatic configuration management)
- Compatible RC receiver system with IC3 connector or appropriate adapter
Frequently Asked Questions
- What is Spektrum Smart G2 technology and why is it better than standard LiPo batteries? — Spektrum Smart G2 technology integrates a microchip microcomputer directly into the battery that stores comprehensive information about the battery's specifications and health status. When you connect this battery to a Spektrum Smart charger, the battery automatically uploads its charging parameters and balancing information, eliminating manual configuration entirely. Unlike standard LiPo batteries that require you to manually set charge rates, monitor individual cell balance and manage storage procedures, Smart G2 batteries handle all of this automatically. The battery automatically discharges to a safe storage voltage of 3.90V after 72 hours of inactivity, protecting your investment from damage caused by over-voltage. This represents a genuine revolution in battery safety and convenience for UK RC enthusiasts.
- Do I need a special charger to use this Smart G2 battery? — Yes, you must use a Spektrum Smart charger to unlock the full capabilities of this Smart G2 battery. When connected to a Smart charger, the battery communicates its specifications and requirements automatically, enabling optimal charging without any manual input. Standard chargers cannot read the intelligent data stored within the battery and will charge it like a conventional LiPo, missing out on the advanced safety and convenience features that define Smart G2 technology. The investment in a Smart charger pays dividends through enhanced battery longevity and complete elimination of charging-related battery damage.
- What is the difference between G1 Smart batteries and G2 Smart batteries? — Spektrum Smart G2 batteries represent a significant advancement over previous generation G1 Smart batteries. The most noticeable improvement is the storage discharge rate, which operates three times faster than G1 batteries, bringing your battery to safe storage voltage in substantially less time. Additionally, G2 batteries feature thicker internal metal side plates that significantly improve heat dissipation and provide substantially better protection against punctures during impacts. The G2 generation also simplifies the balance charging process through improved data transfer through the IC3 connector. For any RC enthusiast in the UK considering a Spektrum Smart battery purchase, G2 generation represents the current state-of-the-art in intelligent battery technology.
- What does the 15C discharge rate mean and is it sufficient for my receiver? — The 15C discharge rating indicates this battery can safely discharge at 15 times its capacity in amperes continuously. With a 2700mAh capacity, this translates to 40.5 amps continuous discharge capability, which is more than adequate for virtually all receiver applications. Receiver systems typically draw far less current than main flight or drive motors, generally ranging from 1-5 amps, so this battery's 15C rating provides exceptional headroom and reliability. The conservative rating ensures the battery operates well within safe thermal limits, maximising longevity and safety during extended operational periods.
- How long will this battery provide runtime in my RC system? — The 2700mAh capacity will provide exceptional runtime depending on your specific receiver's power draw. Typical RC receivers consuming 2-3 amps would operate for approximately 45 minutes to an hour on a single charge with this battery. However, actual runtime varies significantly depending on the specific receiver, radio system, servo count, servo types and operational conditions. For precise runtime estimates, calculate your system's current draw in amps and divide 2700mAh by that figure. The substantial 2700mAh capacity places this battery in the professional category for receiver applications, delivering extended operational periods that minimise the need for frequent battery changes during your RC flying or driving sessions.
- Is the 7.4V 2S configuration suitable for all receiver systems? — The 7.4V nominal voltage of this 2S battery is compatible with the vast majority of receiver systems, servo controllers and electronic components in RC aircraft, helicopters and ground vehicles throughout the UK. Most professional receiver systems and servo controllers are specifically designed to operate safely within 6-8V range, making this battery an ideal fit. However, it is absolutely essential to verify that your specific receiver, servo controller or electronic component explicitly supports this voltage range before connecting this battery. Some legacy equipment or specialist applications may require different voltage configurations. Always consult your equipment manufacturer's specifications before connecting any battery.
- How does the IC3 connector compare to other battery connectors? — The IC3 connector has become the recognised industry standard amongst serious RC hobbyists and competitive pilots throughout the UK and internationally. The IC3 design combines a robust mechanical connection with integrated data transfer capability through a dedicated microchip wire, enabling Spektrum's Smart battery technology to function. The connector features gold-plated contact surfaces that resist corrosion and maintain excellent electrical conductivity through hundreds of cycles. The keyed design prevents accidental reversal during connection, protecting your equipment from polarity-related damage. For any RC enthusiast seeking maximum reliability and future compatibility with intelligent battery systems, the IC3 connector represents the professional choice.
- What does Auto Storage Discharge do and why is it important? — The Auto Storage Discharge feature automatically reduces the battery to a safe storage voltage of 3.90V per cell after 72 hours of inactivity, protecting your battery from the damage caused by extended storage at full charge. Over-voltage during storage represents one of the most common causes of LiPo battery degradation, reducing lifespan and creating safety risks. This intelligent feature completely eliminates that risk by managing storage voltage automatically, with no action required from you. The G2 generation storage discharge operates three times faster than previous G1 batteries, bringing your battery to safe voltage in substantially less time. This feature provides peace of mind that your battery remains safe, healthy and maintenance-free, even if you forget about it for extended periods.
- Are Smart G2 batteries safe to charge unattended? — Spektrum Smart G2 batteries are substantially safer than conventional LiPo batteries when used with a Spektrum Smart charger, as the intelligent system prevents common charging errors that cause battery damage and safety hazards. The battery's integrated microchip ensures the charger uses optimal parameters for your specific battery chemistry and cell count, preventing overcharging, incorrect balance charging, and excessive charge rates that degrade batteries or create safety risks. However, as with all lithium polymer batteries, you should never leave any charging battery completely unattended in a location where a potential failure would create safety hazards. Charge your Smart G2 batteries in a safe location, use only authentic Spektrum Smart chargers, and follow all safety guidelines provided by Spektrum.
- How much capacity will this battery retain after storage? — When used with the Auto Storage Discharge feature, your battery will discharge to approximately 50% of its maximum capacity (3.90V per cell) after 72 hours of inactivity. This represents an ideal storage state that minimises stress on the lithium polymer cells whilst maintaining enough charge for immediate deployment when needed. To fully charge the battery for use, simply connect it to your Spektrum Smart charger—the intelligent system will automatically bring it to full charge using optimal parameters. This storage state provides the best balance between battery longevity and operational readiness, with neither the stress of full-charge storage nor the inconvenience of completely depleted batteries.
- What is the maximum charge rate for this battery? — The manufacturer specification indicates a maximum charge rate for this battery, which will be communicated directly to your Spektrum Smart charger when the battery is connected. The charger automatically retrieves this information from the battery's integrated microchip and applies the optimal charge rate without any manual configuration required. Do not attempt to charge this battery using non-Smart chargers at arbitrary charge rates, as this could damage the battery or create safety hazards. Always use an authentic Spektrum Smart charger to ensure your battery is charged safely and optimally.
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 7.4V 2700mAh 2S 15C Smart G2 Receiver LiPo Battery: IC3 O-SPMX-1056 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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