Spektrum One-Piece Battery Adapter IC3 Device IC2 Battery Pack of 2

• Product Type: One-Piece Battery Adapter
• Connector Configuration: IC3 Device / IC2 Battery
• Compatible Connector Types: EC2, IC2, EC3, IC3, EC5, IC5
• Construction: One-piece adapter (not separable)
• Connector Material: Gold plated
• Electrical Resistance: Low resistance design
• Internal Features: Smart connection wire on IC connectors
• Quantity Included: 2 adapters
• Applications: Chargers, RC cars and trucks, RC airplanes, RC boats, RC drones
• Compatibility Note: IC2 battery is not compatible with EC2 device
• Brand: Spektrum
• Model Number: SPMXCA520

Overview

The Spektrum One-Piece Battery Adapter is an essential accessory for any RC enthusiast who works with multiple connector types. Whether you're running RC cars and trucks, aircraft, boats, or drones, this versatile adapter bridges the gap between incompatible battery and device connectors, allowing you to maximise your battery collection without purchasing duplicates. This is particularly valuable for hobbyists in the UK RC community who invest in multiple vehicles and need flexibility across their fleet.

Designed and engineered by Spektrum, a trusted leader in RC electronics, this adapter provides a simple yet effective solution to one of the most common frustrations in the hobby: connector mismatches. Rather than being forced to buy new batteries every time you acquire a vehicle with a different connector type, the One-Piece Battery Adapter lets you use your existing power sources across different devices. This makes it an economical choice for budget-conscious RC enthusiasts who are building their collection over time.

The adapter comes as a pack of two units, giving you extra flexibility across your RC fleet. Whether you're a beginner just starting out with ready-to-run RC vehicles, or an experienced basher with multiple trucks and crawlers in your garage, these adapters are practical tools that should be in every hobbyist's toolbox. The solid construction and reliable performance ensure that your electrical connections remain consistent and safe, which is critical when working with LiPo batteries and high-current applications.

Key Features

• Simple, Small, and Convenient Design — The one-piece construction means there are no moving parts or complex mechanisms to worry about, making this adapter straightforward to use right out of the box. The compact size ensures it won't add significant bulk to your RC setup, and you can easily store multiple adapters in your toolbox or pit bag without taking up valuable space.
• Solid and Reliable Connections Between Mismatched Components — This adapter is engineered to create a secure connection between incompatible connectors, ensuring stable power delivery to your RC vehicle, charger, or drone. Poor connections can cause voltage drops, reduced performance, or even damage to your electronics, so the reliable connection this adapter provides is genuinely important for the longevity of your equipment.
• Low Resistance, Gold Plated Construction — The gold plating on the connector surfaces provides superior conductivity compared to standard brass or copper plating. This reduces electrical resistance in the connection, which means less power loss as energy travels from your battery to your device. Over the course of a charging cycle or flight battery, this translates to better performance and faster charging times for your RC models.
• Internal Smart Connection Wire on IC Connectors — Spektrum's IC connectors include an internal Smart connection wire that communicates battery information to compatible chargers and devices. This adapter preserves this functionality, meaning your charger can still recognise battery cell count, capacity, and other critical parameters even when using the adapter to connect different connector types. This is a feature that sets Spektrum adapters apart from generic alternatives.
• One-Piece Adapter Design — Unlike two-piece adapters that can separate or develop loose connections over time, the one-piece design is permanently unified. This eliminates any risk of accidentally leaving half the adapter behind or dealing with a loose connection that degrades with use.
• Compatible with Multiple Connector Types — This adapter works with EC2, IC2, EC3, IC3, EC5 and IC5 plug types, covering the vast majority of modern RC equipment. Whether your batteries use IC3 connectors and your charger uses IC2, or you're connecting various vehicles with different standard connectors, this adapter provides the solution. This broad compatibility makes it a versatile accessory that works across an extensive range of RC cars, trucks, planes, boats and drones.
• Pack of Two Adapters — You receive two adapters in each purchase, allowing you to set up multiple charging stations, keep one in your pit bag for at-track use, or have adapters ready for different applications simultaneously. This redundancy is practical for serious RC hobbyists who want to streamline their setup and avoid hunting for a single adapter when they need it most.

Technical Performance

The Spektrum One-Piece Battery Adapter is manufactured to exacting standards using premium materials that ensure reliable performance in both casual bashing and competitive racing environments. The gold-plated connector surfaces are the key to this adapter's superior performance — gold conducts electricity more efficiently than standard brass, and resists corrosion better over extended periods. This means your adapter will maintain its performance characteristics even after months or years of regular use, whereas cheaper adapters can develop resistance at the connection points and require replacement. The internal Smart connection wire found on IC connectors is a sophisticated feature that allows Spektrum chargers and compatible devices to communicate with your battery pack, reading parameters such as cell count and battery capacity. This is not just a convenience feature; it's essential for safe charging practices, as it allows your charger to apply the correct charging profile for your specific battery. The one-piece construction eliminates the weak point that exists in two-piece adapters where the male and female components join, ensuring consistent contact resistance and eliminating the possibility of the adapter separating during use. Whether you're using this adapter with LiPo batteries, NiMH packs, or LiFe cells, the solid construction and premium materials ensure stable power delivery. The adapter's low electrical resistance means minimal voltage drop across the connection, which translates to more efficient energy transfer and ultimately better performance from your RC vehicle, whether you're running ready-to-run RC trucks, competitive buggy platforms, or high-performance drones.

What's in the Box

• Spektrum One-Piece Battery Adapter: IC3 Device / IC2 Battery (Quantity: 2)

Frequently Asked Questions

• What does this adapter do exactly? — This adapter connects a battery with an IC3 connector to a device with an IC2 connector. If your battery has an IC3 plug but your charger, ESC, or receiver has an IC2 plug, this adapter bridges that gap, allowing you to use the battery with that device without purchasing a new battery with the correct connector. The pack includes two adapters, so you can set up permanent adapters in different areas of your RC setup.
• What connector types does this support? — This specific model supports IC3 and IC2 connectors. Spektrum manufactures One-Piece Battery Adapters for multiple connector type combinations, and these are also compatible with EC2, EC3, EC5 and IC5 plug types depending on which adapter variant you purchase. Always verify the specific model number to ensure you're getting the correct connector combination for your needs.
• Is this suitable for all types of RC vehicles? — Yes, Spektrum specifically designed these adapters as great solutions for chargers, RC cars and trucks, airplanes, boats, and drones. The universal nature of the connector types means these adapters work across all these different RC vehicle categories. Whether you're running rock crawlers, off-road buggies, brushless trucks, or FPV drones, these adapters provide the same reliable connection.
• Will this work with my Spektrum charger? — Yes, because the adapter contains an internal Smart connection wire on IC connectors, it preserves the communication between your battery and Spektrum chargers. Your charger will still be able to recognise the battery's cell count, capacity, and other parameters, allowing it to apply the correct charging profile automatically.
• What about power loss through the adapter? — The low resistance, gold-plated construction means power loss is minimal. Gold plating provides superior conductivity compared to standard brass connectors, reducing voltage drop across the connection. For high-discharge applications like competitive racing or high-performance vehicles, this matters because every volt of efficiency counts when you're trying to achieve maximum performance.
• Is there any battery type this won't work with? — The adapter itself is connector-agnostic and will work with LiPo, LiFe, NiMH, or any other battery chemistry, provided the battery pack has an IC3 connector. However, note that IC2 batteries are not compatible with EC2 devices — this is an important safety consideration due to physical differences in the connectors.
• Why buy this instead of just buying new batteries with the right connectors? — Cost savings are the primary benefit. If you own multiple RC vehicles or have built up a battery collection over time, purchasing adapters is far more economical than replacing all your batteries. Over a season of RC hobby use, these two adapters typically pay for themselves several times over compared to the cost of additional battery packs. Additionally, adapters reduce clutter and let you consolidate your battery collection.
• How durable are these adapters? — The one-piece construction with gold-plated connectors and low electrical resistance means these adapters are designed for years of reliable use. Unlike cheaper two-piece adapters that can wear out or develop loose connections, Spektrum's engineering ensures consistent performance. Many RC hobbyists have adapters that have survived hundreds of charge cycles and vehicle uses without degradation.

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 One-Piece Battery Adapter: IC3 Device / IC2 Battery (2) O-SPMXCA520 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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