Overview
The SPM 4000mAh 6S 22.2V Smart LiPo Battery 30C with IC5 connector is a premium lithium polymer power solution designed for demanding RC applications. This Spektrum Smart Battery delivers reliable, consistent performance for hobbyists and enthusiasts across the UK who demand quality and dependability in their RC car, plane, or helicopter setups. Whether you're running a high-performance brushless RC vehicle, a competitive racing platform, or a serious scale model, this 6S LiPo battery pack provides the sustained power delivery you need to keep your RC experience running at peak performance.
Built to Spektrum's exacting standards, the Smart LiPo technology integrates intelligent charging and monitoring capabilities that extend battery life and enhance safety. The 4000mAh capacity offers an excellent balance between weight and runtime, making it suitable for a wide range of ready to run RC models and custom builds. The IC5 connector ensures secure, reliable connections with compatible equipment, whilst the compact 140mm length and modest 540g weight make this battery a practical choice for many platform types. With a customer rating of 4.1 out of 5 stars, this battery has earned the trust of RC enthusiasts across the UK who appreciate quality construction and genuine Spektrum reliability.
The 30C discharge rating provides a maximum continuous discharge current of 120 amps, meaning you have the headroom to power everything from brushless racing setups to high-demand aerobatic aircraft. This makes the SPM 4000mAh an exceptionally versatile battery that delivers both high-rate performance and practical everyday usability. RC Model Shop stocks this genuine Spektrum product, giving you access to an authentic battery backed by comprehensive support and expertise from our team of RC enthusiasts.
Key Features
- Smart Battery Technology — The integrated Smart technology means this battery actively monitors and manages itself, providing safer operation and helping to maximise your battery's service life through intelligent charging and discharge management.
- 4000mAh Capacity — The 4000mAh energy storage provides an excellent runtime window for most RC applications whilst keeping the overall weight reasonable, helping to maintain good power-to-weight ratios in your RC model.
- 6S Configuration (22.2V Nominal) — Six cells in series deliver 22.2V nominal voltage, providing the high voltage output required for modern brushless motors and ESCs used in competitive and high-performance RC vehicles.
- 30C Continuous Discharge Rating — This specification means the battery can safely deliver 120 amps of continuous discharge current, providing enough power for spirited acceleration and sustained high-demand operation without thermal stress.
- IC5 Connector — The IC5 connector is a robust, gold-plated contact system designed for reliable high-current connections, ensuring stable power delivery and reducing voltage drop during demanding runs.
- JST-XH Balance Connector — The integrated JST-XH balance connector allows smart chargers to monitor and balance individual cell voltages, promoting even wear across all six cells and extending overall battery longevity.
- Compact Dimensions — At 140mm length, 43mm width and 43mm height, this battery fits within the battery compartments of many popular RC models, making it a practical retrofit option for existing setups.
- Lightweight at 540g — The 540 gram weight is relatively light for a 4000mAh pack, helping to keep your centre of gravity low and your model responsive without the weight penalty of heavier battery options.
Technical Performance
This Smart LiPo battery represents excellent engineering in modern lithium polymer cell technology. The 22.2V nominal output across six cells ensures compatibility with contemporary brushless ESC systems and brushless motors commonly found in UK RC vehicles, from competitive race cars to freestyle aircraft. The 30C continuous discharge rate of 120 amps provides genuine high-rate capability without the voltage sag that would compromise performance in demanding situations. The battery's 4000mAh capacity sits at the sweet spot for many platforms, delivering sufficient runtime for extended sessions whilst avoiding the weight and size penalties of larger capacity packs. The JST-XH balance connector enables proper cell-level monitoring and balancing, which is essential for maintaining battery health and safety during extended use. The IC5 connector is engineered for high-current applications and features gold-plated contacts that resist corrosion and maintain low electrical resistance. The integrated Smart technology continuously monitors cell voltages and pack temperature, providing an additional safety layer that actively manages discharge profiles. At 540 grams, this pack is lighter than many competitor options at equivalent capacity, making it an excellent choice for weight-conscious builders who need genuine performance without the bulk.
What's in the Box
- SPM 4000mAh 6S 22.2V Smart LiPo Battery with IC5 connector
- Instruction Manual
- Spektrum Smart Batteries Safety Sheet (Multilingual)
- Battery Safety Sheet (Multilingual)
Frequently Asked Questions
- What makes a Spektrum Smart LiPo battery different from standard LiPo batteries? — Spektrum Smart Batteries integrate onboard intelligence that monitors cell voltage, pack temperature, and discharge behaviour. This technology actively manages the battery's performance and safety, extending service life and providing better overall reliability compared to passive battery packs. Smart technology is particularly valuable if you charge and discharge your batteries frequently.
- What is the 30C discharge rating and why does it matter? — The 30C rating indicates this battery can safely deliver 30 times its capacity in amps continuously. With a 4000mAh capacity, that equals 120 amps maximum continuous discharge. This high-rate capability ensures you have sufficient power delivery for brushless motors, aggressive acceleration runs, and sustained high-demand operation without the battery overheating or suffering damage.
- Is this battery suitable for beginners? — This battery is suitable for experienced RC users who understand LiPo battery safety and charging requirements. LiPo batteries require proper chargers, careful storage, and attention to safety protocols. If you're new to RC and considering this battery, we recommend consulting with our expert team at RC Model Shop to ensure you have the correct charger and understand safe handling practices.
- What vehicles can I use this 6S battery with? — The 22.2V output and 4000mAh capacity make this battery compatible with a wide range of 6S-capable RC vehicles, including brushless RC cars, competitive RC buggies, high-performance RC trucks, and aerobatic RC aircraft. Always verify your specific vehicle's battery requirements before purchasing, as not all RC models support 6S LiPo batteries.
- What charger do I need for this battery? — You'll need a smart LiPo charger capable of handling 6S packs and supporting the IC5 connector. Spektrum Smart Chargers are designed to work with these batteries and will automatically recognise the battery's capacity and cell configuration. Many third-party chargers also support IC5 connectors and 6S packs, but always verify compatibility before charging.
- How long does a full charge take? — The standard charge current is 4.0 amps, which represents a 1C charge rate (charging at one times the battery capacity). This typically requires approximately one hour to fully charge the battery. Faster charging is possible with compatible chargers that support higher charge rates, though this may slightly reduce battery lifespan over time.
- What is the difference between this and similar 6S batteries at RC Model Shop? — The SPM 4000mAh 6S 30C focuses on Smart technology and a 30C discharge rating. Comparable options include the Spektrum Smart G2 variants with higher discharge rates, and non-Smart brands like Onyx and Gens Ace that offer different capacity and discharge combinations. The Smart technology in this pack provides intelligent monitoring that standard batteries cannot offer, making it ideal for serious users who value battery longevity and safety management.
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 4000mAh 6S 22.2V Smart LiPo Battery 30C; IC5 O-SPMX40006S30 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.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
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