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 2000mAh 2S 15C Smart G2 Receiver LiPo Battery with IC3 connector is a professional-grade power solution designed specifically for RC receivers in aircraft, drones, and surface vehicles. This advanced battery combines Spektrum's proven Smart G2 technology with reliable receiver-optimised performance, making it an essential component for pilots and drivers who demand consistent power delivery and hassle-free operation. Whether you're flying RC aeroplanes, operating RC helicopters, or controlling surface RC models, this battery offers the intelligent features and dependable performance that serious enthusiasts across the UK have come to trust from Spektrum.
What sets this receiver battery apart is its integration of second-generation Smart technology that practically eliminates battery maintenance worries. Unlike standard LiPo batteries, the Spektrum Smart G2 system automatically stores vital information about your battery's health, charge cycles, and performance history in an integrated microchip. This means your Spektrum Smart charger can automatically upload all the battery's parameters with a single connection, removing the guesswork from charging and allowing you to simply press the start button—the charger handles everything else. The battery arrives from the factory pre-programmed to automatically discharge to a safe storage voltage after 72 hours of inactivity, protecting your investment and extending the lifespan of your cells without any user intervention required.
The 2000mAh capacity provides ample power for demanding receiver systems whilst remaining compact and lightweight at just 145 grams. The IC3 connector represents Spektrum's latest connector innovation, offering improved heat resistance, more solid connections, and effortless installation compared to older designs. Best of all, the IC3 connector is fully backwards compatible with existing EC3 connectors, so even if your receiver equipment uses the older standard, this battery will work seamlessly with your setup. For RC enthusiasts in the UK seeking a premium receiver battery that combines intelligent charging technology with proven reliability, the Spektrum 7.4V 2S Smart G2 is an investment in peace of mind.
Key Features
- Spektrum Smart G2 Technology — The integrated microchip stores unique parameters for every single charge and discharge cycle, automatically uploading this information to your Spektrum Smart charger. This eliminates the need to manually programme settings, making charging as simple as pressing a single button every time you use your battery.
- Automatic Smart Discharge Function — Factory-programmed to automatically discharge to a safe 3.90V storage voltage after 72 hours of inactivity, this feature prevents the chemical damage that occurs when LiPo cells sit fully charged for extended periods. You can customise the discharge delay between 12 and 240 hours to suit your specific needs, with discharge rates that are three times faster than previous-generation Smart batteries.
- Data-Rich Battery Monitoring — Your battery tracks essential information including charge cycles, discharge cycles, temperature history, internal resistance measurements, and a comprehensive log of any unhealthy events such as over-charge, over-discharge, or over-temperature incidents. This detailed historical data allows you to make informed decisions about battery safety and replacement schedules.
- IC3 Connector with Balance Integration — The next-generation IC3 connector features an innovative data wire that transmits balance charging information directly to your Smart charger without requiring a separate balance lead connection. This design reduces connection complexity, improves reliability, and provides superior heat resistance compared to traditional connectors.
- Backwards Compatible Design — Despite being the latest IC3 standard, this battery is entirely backwards compatible with equipment featuring the popular EC3 connectors, meaning you can use it with existing receiver systems without requiring adapters or modifications.
- Enhanced Internal Protection — Thicker internal metal side plates have been engineered into the soft-case design to improve heat dissipation during high-demand operations and provide additional protection for the cells against punctures during rough landings or impact-prone situations.
- Integrated Charge Protection Circuitry — Built-in protection safeguards against overcharging, over-discharging, and thermal runaway conditions, giving you confidence that your battery and receiver system are protected during every charge cycle.
- Customisable Charge Rate Preferences — Whilst the battery arrives with sensible factory defaults, the integrated microchip remembers your preferred charging rate settings. Once you've customised the charge rate for your specific requirements, subsequent charges will automatically populate these settings, removing the need to reconfigure them each time.
- Servo Discharge Lead Included — The battery comes equipped with a standard servo connector discharge lead measuring 3.5 inches (90mm) in length, providing convenient discharge options without requiring separate adapters or additional equipment.
Technical Performance
The Spektrum 7.4V 2S Smart G2 Receiver Battery delivers optimised performance specifically engineered for receiver systems across aircraft, rotorcraft, and surface vehicles. The 2S (two-cell) LiPo configuration provides 7.4 volts nominal output—the industry standard for receiver power systems—with a capacity of 2000mAh offering sufficient runtime for extended flying or driving sessions. The 15C discharge rating indicates this battery can safely deliver 30 amps of continuous current (2000mAh × 15C = 30A), providing more than adequate power for the most demanding receiver architectures including multiple servos, BEC systems, and telemetry modules. The maximum charge current rating of 1.5C (3 amps) ensures that charging is optimised for battery longevity whilst still allowing reasonable charge times. With a total energy rating of 14.8 watt-hours, this battery packs substantial power into a remarkably compact footprint—measuring just 86mm in length, 34mm in width, and 15mm in height, whilst weighing a mere 145 grams. The soft-case construction keeps weight minimal whilst the reinforced internal metal side plates provide structural protection without significant weight penalty. The 13 AWG wire gauge provides appropriate current delivery for receiver applications. Unlike high-capacity main power batteries, receiver batteries require a different engineering approach, and Spektrum has optimised every aspect of this pack for the specific demands of powering receiver systems in competitive and recreational RC applications across the UK and beyond.
What's in the Box
- Spektrum 7.4V 2000mAh 2S 15C Smart G2 LiPo Receiver Battery
- IC3 connector output for Smart charger compatibility
- Servo connector discharge lead (3.5 inches / 90mm length)
- Instruction manual with safety information
- Multilingual battery safety sheet
Frequently Asked Questions
- What is Spektrum Smart G2 technology and how does it benefit me? — Smart G2 is second-generation intelligent battery technology that integrates a microchip into your battery to store detailed performance data. When connected to a Spektrum Smart charger, this microchip automatically uploads unique charging parameters specific to that battery, eliminating the need to manually programme settings. The battery remembers your preferred charge rate, and every subsequent charge simply requires pressing the start button. Additionally, Smart G2 batteries automatically discharge to a safe storage voltage (factory-set to 3.90V after 72 hours), which prevents the chemical degradation that occurs when LiPo cells remain fully charged for extended periods. This automation extends battery life significantly and removes the guesswork from battery maintenance.
- Can I use this battery with my existing receiver equipment? — Yes, absolutely. The IC3 connector is fully backwards compatible with older EC3 connectors, meaning you can plug this battery directly into any receiver system equipped with an EC3 connector without adapters or modifications. However, you'll only access the full benefits of Smart technology when connected to a Spektrum Smart charger. With standard chargers, the battery will charge normally but won't provide automated parameter upload or Smart discharge functionality.
- How long does this battery take to charge? — The maximum charge current is 1.5C, which means the battery charges at a rate of 1.5 times its capacity per hour. For the 2000mAh capacity, this allows charging at up to 3 amps. A full charge from completely empty would take approximately 40-50 minutes at this rate, though actual charge times depend on your specific charger capabilities and current state of charge. When using a Spektrum Smart charger, you can customise the charge rate to your preferences, and the battery will remember your settings.
- What does the 15C discharge rating mean? — The C rating indicates the maximum safe continuous discharge current as a multiple of the battery's capacity. A 15C rating on a 2000mAh battery means you can safely draw up to 30 amps of continuous current (2000 × 0.015 = 30A). For receiver applications, which draw significantly lower currents than main propulsion batteries, this 15C rating provides substantial headroom and ensures the battery can power even the most demanding receiver systems with multiple high-torque servos and accessory systems without stress.
- Is this battery suitable for beginners? — Spektrum Smart G2 batteries are ideal for beginners because they remove the complexity typically associated with LiPo battery management. Rather than learning to programme charge rates, cell balance procedures, and discharge requirements, beginners simply connect the battery to a Spektrum Smart charger, and the system handles all the technical details automatically. The automatic discharge feature also prevents the accidental damage that occurs when new users forget to store batteries at safe voltages. This makes the Smart G2 an excellent choice for hobbyists just entering the world of RC flying or driving.
- What's the difference between Smart G1 and Smart G2 technology? — Smart G2 represents the second generation of Spektrum's intelligent battery system with several significant improvements over G1 models. Smart G2 batteries feature three times faster storage discharge rates, getting your battery to safe storage voltage more quickly. The balance charging information is transmitted through the IC3 connector's integrated data wire, eliminating the need for a separate balance lead—you only need one connection to your charger. Additionally, G2 batteries feature thicker internal metal side plates for improved heat dissipation and puncture protection. All these enhancements make G2 batteries simpler, safer, and more durable than their predecessors.
- What information does the microchip store about my battery? — The integrated microchip maintains a comprehensive record including battery brand, battery type, cell count, capacity, C rating, individual cell voltages, battery temperature readings, total charge cycles, total discharge cycles, and internal resistance measurements. The microchip also maintains an error log documenting any over-heat, over-discharge, or over-charge incidents. This detailed historical data helps you assess battery health and make informed decisions about safe operation and replacement schedules.
- Can I customise the automatic discharge settings? — Yes, when using a Spektrum Smart charger, you can programme the automatic discharge feature to activate anywhere between 12 and 240 hours after the battery is last used. The factory default is 72 hours, which suits most applications, but you can adjust this based on how frequently you use your equipment and your personal preferences. Once you set your preferred discharge delay, the battery's microchip remembers these settings for future charges.
- Is this battery waterproof for outdoor use? — The soft-case LiPo construction is water-resistant but not waterproof. The battery should not be deliberately submerged, though it will tolerate splashing and brief exposure to wet conditions. If the battery becomes wet, allow it to dry thoroughly in a warm location before charging. For receiver installations in RC boats or other water-exposed applications, ensure proper weatherproofing of the receiver box and battery compartment, but the battery itself should not be exposed to sustained water contact.
- What charger do I need for this battery? — To access all Smart G2 features, you need a Spektrum Smart charger compatible with IC3 connectors. Spektrum offers several Smart charger options ranging from compact field chargers to advanced multi-port systems. If you only have a non-Smart charger, the battery will still charge normally through the IC3/EC3 connector, but you won't benefit from automatic parameter upload, customisable settings, or smart discharge functionality. For the best experience, a Spektrum Smart charger is strongly recommended.
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 2000mAh 2S 15C Smart G2 Receiver LiPo Battery: IC3 O-SPMX-1054 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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