Spektrum Smart G2 LiPo Battery Overview
The SpektrumT 4000mAh 11.1V LiPo 30C Smart LiPo Battery is designed to be in the same size as a standard 2S pack. It allows drivers with 3S battery size limitations a great option for 3S power. Its unique size, shape, and 30C rating are custom-tailored for these vehicles. With Spektrum Smart LiPo batteries, you get incredible features. With Auto Charge, Spektrum Smart Chargers recognize Spektrum Smart battery charging parameters and begin safe, accurate charging automatically when connected. Additionally, when connected to a Smart charger, that Smart LiPo battery's unique parameters and health are uploaded 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.
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 overheating, over-discharging, and overcharging incidents, which can be helpful data in assuring that the battery you've chosen is correct for the application. A Smart Battery automatically uploads its charge parameters to a Spektrum Smart Charger, making charging simple. The charge rate of every Smart Battery is customizable, allowing you to take full advantage of packs with faster charge ratings.
Overview
The Spektrum SPM 11.1V 4000mAh 3S 30C Smart G2 Hardcase LiPo Battery with IC5 connector represents the pinnacle of modern RC battery technology for enthusiasts across the UK seeking reliable, intelligent power solutions. This premium 3S LiPo battery is engineered to deliver consistent performance whether you're running competitive RC cars, trucks, or demanding surface vehicles that require high-capacity power in a compact form factor. The Smart G2 technology transforms how you approach battery management, eliminating guesswork from your charging routine and ensuring optimal performance every single time you take your RC model to the track or the bash spot.
Designed with the discerning RC hobbyist in mind, this battery combines cutting-edge Smart battery technology with a robust hardcase enclosure that protects your investment during transport and storage. The 4000mAh capacity provides extended runtime for longer sessions, whilst the 30C discharge rating ensures you have sufficient power delivery for demanding applications. Whether you're a seasoned competitor looking to upgrade your RC car battery arsenal, or an experienced basher who demands reliability, this Spektrum Smart G2 battery delivers the performance and intelligence you need.
The IC5 connector has become the industry standard for high-performance RC applications in the UK and worldwide, offering superior connectivity and current handling compared to older connector types. This battery represents the convergence of Spektrum's decades of RC expertise with modern smart battery technology, making it an essential addition to any serious RC enthusiast's setup.
Key Features
- Spektrum Smart Technology with Integrated Microchip — This battery features a sophisticated embedded memory microchip that stores and communicates critical battery data to compatible Spektrum Smart Chargers, enabling automatic recognition of battery parameters without any manual programming required. This revolutionary feature means you never have to manually set charge rates, battery chemistry, or capacity again, as the charger recognises and configures itself automatically when you connect the battery.
- Auto Charge Recognition System — When connected to any Spektrum Smart Charger, the battery automatically uploads its unique charging parameters including chemistry type, capacity, and recommended charge rate, beginning safe and accurate charging instantly without any user intervention. This eliminates the risk of charging errors that could damage the battery or cause safety issues, making it ideal for busy RC enthusiasts who value convenience and reliability.
- Comprehensive Battery Health Monitoring — The Smart microchip continuously tracks and records essential battery statistics including the number of charge and discharge cycles, operating temperature, individual cell voltages, and critical error data such as overheating incidents, over-discharging events, and overcharging occurrences. This wealth of diagnostic information helps you make informed decisions about battery maintenance and replacement, extending the lifespan of your investment.
- Customisable Charge Rate Control — Unlike standard RC batteries, Smart G2 batteries allow you to set and save your preferred charge rates through the compatible Spektrum Smart Charger, with settings stored in the battery's memory for future use. This means faster charging when you're in a hurry or more conservative rates for battery longevity, all controlled by your charger rather than requiring separate equipment.
- Hardcase Protection — The robust hardcase enclosure protects your 4000mAh battery during transport, storage, and outdoor use, preventing damage to the cells and connectors that could compromise performance or create safety hazards. This is particularly valuable for RC drivers who transport their batteries to tracks, clubs, or bashing locations regularly.
- 3S LiPo Chemistry (11.1V Nominal) — With three lithium polymer cells delivering 11.1V nominal voltage, this battery provides the perfect power level for a vast range of RC applications including RC cars, trucks, and surface vehicles. The 3S configuration balances power delivery, weight, and runtime in a way that suits many popular RC models.
- High 30C Continuous Discharge Rating — The 30C rating allows this 4000mAh battery to deliver sustained currents up to 120 amps continuously, providing abundant power for high-performance applications whilst maintaining stable voltage delivery throughout your RC session.
- Premium IC5 Connector — The IC5 connector provides superior current-carrying capacity and reliability compared to older connector standards, delivering the full power potential of this battery with minimal voltage drop. This connector type has become the recognised standard for high-performance RC applications across the UK and beyond.
- Consistent Cell Voltage Monitoring — The Smart battery system continuously monitors individual cell voltages, alerting you if any cell drops below optimal voltage or shows signs of imbalance, allowing you to address issues before they become serious problems.
Technical Performance
This Spektrum Smart G2 battery represents the culmination of professional RC battery engineering, delivering outstanding performance characteristics that rival or exceed many competitors' offerings. The 4000mAh capacity, combined with the 30C discharge rating, creates a battery that excels in both endurance and power delivery, making it suitable for competitive racing, casual bashing, or technical crawling depending on your vehicle setup. At 11.1V nominal (3.7V per cell), this 3S LiPo provides the sweet spot for power delivery that doesn't overwhelm standard ESCs whilst offering significant performance advantages over NiMH alternatives. The hardcase construction utilises durable polymer materials that withstand the rigours of repeated use, transport, and outdoor exposure without compromising the battery's weight characteristics. The integrated Smart microchip communicates wirelessly with compatible Spektrum Smart Chargers, enabling sophisticated battery management features that simply aren't available with conventional batteries. The IC5 connector utilises gold-plated contacts and precision engineering to ensure consistent electrical connection with minimal resistance, critical for maintaining voltage stability during high-current discharge cycles. The battery's internal resistance has been optimised to deliver stable voltage characteristics throughout the discharge cycle, ensuring consistent throttle response and performance from the first moment of use until the battery reaches safe discharge limits. Built to withstand the demanding environment of RC use, this battery incorporates thermal monitoring that tracks temperature during both charging and discharging, with safety data logged in the battery's memory for your reference.
What's in the Box
- Spektrum SPM 11.1V 4000mAh 3S 30C Smart G2 Hardcase LiPo Battery with IC5 connector
- Integrated Smart microchip with battery data and diagnostics
What You Need to Complete
- Spektrum Smart Charger (such as the S155, S120, S1200, S2100, or S100 models) to charge the battery and utilise full Smart battery features
- RC model vehicle compatible with 3S LiPo batteries and IC5 connectors
- Smart ESC rated for 3S LiPo and compatible with IC5 connectors
Frequently Asked Questions
- Is the Spektrum Smart G2 battery compatible with standard RC car chargers? — Yes, this battery can be charged with standard RC chargers that support 3S LiPo batteries, however you will only access the Smart battery's full features when connected to a Spektrum Smart Charger. Standard chargers lack the ability to communicate with the battery's microchip, meaning you'll need to manually program charge parameters. For the best experience, we strongly recommend pairing this battery with a compatible Spektrum Smart Charger.
- How long does the 4000mAh battery last in typical RC use? — Runtime depends entirely on your vehicle's power consumption, which is determined by motor type, ESC settings, driving style, and terrain. A typical RC car or truck might achieve 15-25 minutes of continuous use before the battery reaches safe discharge limits, though this can vary significantly. Conservative driving yields longer runtime, whilst high-speed racing or aggressive bashing reduces runtime accordingly.
- What is the difference between this battery and a standard non-Smart LiPo? — The Smart G2 battery integrates a microchip that communicates with Spektrum Smart Chargers, eliminating manual programming and enabling automatic charge recognition. Additionally, the Smart battery logs comprehensive health data including cycle count, temperature history, and error events, allowing you to monitor battery condition and make maintenance decisions based on real data rather than guesswork. Standard batteries provide none of this functionality.
- Is this battery suitable for beginners to RC? — Absolutely. Whilst this is a premium battery, the Smart technology actually makes it more beginner-friendly because it removes charging complexity. Simply connect it to a Spektrum Smart Charger and press start—the charger handles all the configuration automatically. Beginners benefit tremendously from the safety features and error logging, which help prevent common charging mistakes that can damage batteries or cause safety issues.
- How do I know when the battery needs replacement? — The Smart microchip logs comprehensive data including discharge cycles, overcharging incidents, over-discharging events, and temperature excursions. Monitor this data through your Spektrum Smart Charger—when you notice declining cell voltages, frequent error events, or reduced runtime compared to earlier use, it's time to consider battery replacement. Most quality LiPo batteries provide 300-500 charge cycles with proper care.
- Can I use this battery with multiple vehicles? — Yes, the IC5 connector and 3S LiPo chemistry make this battery compatible with any RC vehicle equipped with a 3S-compatible ESC and IC5 connector. The Smart battery's settings are stored in its memory, so you can use it with different vehicles without reconfiguration—the charger and battery manage all parameters automatically.
- What makes the IC5 connector better than older connector types? — The IC5 connector features larger contact surfaces and improved contact geometry compared to older standards like Deans or XT60, resulting in lower electrical resistance and better current handling. For the 4000mAh 30C discharge capability of this battery, the IC5 connector is ideally suited to deliver full power without voltage drop or connector heating.
- Is the hardcase essential or just a convenience feature? — The hardcase provides meaningful protection during transport, preventing physical damage to battery cells that could cause internal shorts or reduced performance. For RC drivers who transport batteries to tracks or clubs regularly, the hardcase is highly recommended. Even for home storage, the hardcase prevents accidental punctures or compression damage that could compromise battery safety.
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 11.1V 4000mAh 3S 30C Smart G2 Hardcase LiPo Battery: IC5 O-SPMX-1088 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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