Product Specs:
Technology - SmartAdjustable Timing - YesProgrammable - YesConnector Type - Battery IC5 / Motor 4mm
Overview
The Spektrum Avian Lite 70-Amp Brushless Smart ESC is a professional-grade electronic speed controller designed for demanding RC aircraft and high-performance RC vehicles. This compact yet powerful unit represents the pinnacle of brushless ESC technology, offering pilots and drivers the advanced features they need for precision control and optimal performance. Whether you're flying a sleek RC plane, running a fast RC car UK-wide, or piloting a competition-level drone, the Avian Lite 70-Amp delivers reliable, intelligent power management with industry-leading Smart technology integration.
Built on Spektrum's renowned engineering heritage, this brushless ESC combines 70 amps of continuous current capacity with programmable timing adjustment, giving you complete control over your model's performance characteristics. The IC5 connector provides secure, reliable power delivery, whilst the intelligent Smart features ensure your system runs optimally across a wide voltage range from 3S to 6S LiPo batteries. This is the replacement ESC choice for the E-flite T-28 Trojan 1.2m, E-flite P-47 Razorback 1.2m, and E-flite Viper 64mm, proving its suitability for serious RC enthusiasts who demand nothing but the best.
The Smart Lite designation indicates this ESC incorporates Spektrum's proprietary Smart technology, which provides intelligent system monitoring, programmability, and integration with compatible receivers. For RC modellers in the UK seeking a versatile, feature-rich ESC that handles everything from calm aerial manoeuvres to aggressive throttle inputs, the Avian Lite 70-Amp stands ready to deliver consistent, predictable performance.
Key Features
- 70-Amp Continuous Current Rating — The Avian Lite 70-Amp is engineered to safely handle 70 amps of continuous current, providing ample power delivery for high-performance brushless motors without thermal stress or voltage sag, meaning your RC model maintains consistent power delivery even during sustained high-load flight or driving.
- Programmable Timing Adjustment — Advanced users can fine-tune timing settings to optimise efficiency and throttle response characteristics, allowing you to tailor the ESC's behaviour to your specific motor and flying or driving style for maximum performance extraction.
- Smart Technology Integration — The Smart Lite designation confirms this ESC incorporates Spektrum's intelligent monitoring systems, enabling seamless integration with compatible Smart receivers and providing real-time telemetry data for enhanced system awareness and safety.
- Wide Voltage Compatibility (3S-6S) — This ESC operates reliably across the full spectrum of modern LiPo battery configurations, from 3S (11.1V) through to 6S (22.2V) packs, giving you flexibility in battery selection and the ability to upgrade your power system without requiring a new ESC.
- IC5 Connector System — The robust IC5 battery connector ensures secure, low-resistance power delivery with minimal voltage drop, whilst the motor outputs are designed for reliable motor interface regardless of motor brand or specification.
- Compact Lightweight Design — The Lite designation reflects this ESC's weight-conscious engineering, making it ideal for weight-sensitive RC aircraft applications where every gram matters for flight performance and battery runtime.
- Full Programmability — Beyond just timing adjustment, the Avian Lite 70-Amp offers comprehensive programmable parameters, allowing you to customise low-voltage cutoff, throttle curve, brake characteristics, and other critical functions to match your exact requirements.
- Brushless Motor Compatibility — Engineered specifically for brushless outrunner and inrunner motors, this ESC delivers the smooth, efficient power delivery that modern brushless technology demands, with no brush commutation noise or vibration.
Technical Performance
The Spektrum Avian Lite 70-Amp Brushless Smart ESC represents peak engineering for serious RC enthusiasts in the UK and beyond. With a 70-amp continuous current rating, this ESC provides exceptional headroom for powerful brushless motors used in demanding RC aircraft, fast RC cars, and high-performance racing applications. The intelligent Smart technology platform monitors critical system parameters in real time, providing telemetry data back to compatible receivers and enabling predictive safety features that protect your investment. The adjustable timing system allows you to optimise the ESC's performance curve, whether you're flying demanding aerobatic sequences, pushing maximum speed, or requiring smooth, controlled throttle response. The unit operates reliably across 3S to 6S LiPo battery configurations, delivering consistent performance from lightweight 3-cell packs through to powerful 6-cell setups. The IC5 connector system ensures low-resistance power delivery with minimal voltage drop, critical for maintaining stable voltage rails and preventing throttle glitching or performance degradation under high current draw. Whether mounted in compact RC aircraft requiring weight efficiency or installed in competition-grade RC vehicles, the Avian Lite 70-Amp combines cutting-edge brushless motor control electronics with Spektrum's legendary reliability and customer support.
What's in the Box
- 1x Spektrum Avian 70-Amp Smart Lite Brushless ESC, 3S-6S with IC5 connector
What You Need to Complete
- Brushless motor (outrunner or inrunner design)
- 3S to 6S LiPo battery pack with IC5 connector
- Spektrum compatible receiver or Smart-compatible receiver
- RC transmitter system (any brand compatible with your receiver)
- Motor propeller or gearbox appropriate to your application
- Suitable frame or airframe to house the ESC
Frequently Asked Questions
- Is the Spektrum Avian Lite 70-Amp suitable for beginners in RC? — Whilst this is a professional-grade ESC with advanced programmable features, beginners can use it effectively as it comes with sensible default settings. However, if you're brand new to RC, starting with a simpler ready-to-run RC kit may be more appropriate, as this ESC is primarily designed for pilots and drivers with some experience who want to customise and optimise their setups.
- What battery specifications does the Avian Lite 70-Amp require? — This ESC is compatible with 3S, 4S, 5S, and 6S LiPo batteries, providing excellent flexibility. For a 70-amp ESC, you'll typically want batteries rated for at least 50-100C discharge rate to ensure the battery can deliver the current without voltage sag. The IC5 connector requires a matching battery connector.
- Can I use this ESC in different RC models, or is it application-specific? — The Avian Lite 70-Amp is designed as a replacement ESC for E-flite T-28 Trojan 1.2m, E-flite P-47 Razorback 1.2m, and E-flite Viper 64mm models, but its 70-amp capability makes it suitable for many other high-performance RC aircraft and vehicles. Provided your motor doesn't exceed 70 amps continuous draw and your battery voltage falls within 3S-6S range, this ESC can be adapted to many applications.
- What is Smart Lite technology and why does it matter? — Spektrum's Smart technology provides intelligent system monitoring, telemetry integration, and programmable features unavailable on basic ESCs. The Lite designation indicates a streamlined version with core Smart features. This means your ESC can communicate with Smart receivers, providing real-time performance data and safety monitoring that helps prevent failures.
- What are adjustable timing features used for in an ESC? — Timing adjustment in brushless ESC controllers determines the firing angle of the electronic commutation system. Advancing timing increases efficiency and top speed but can cause cogging with certain motors; retarding timing provides smoother operation but slightly reduced efficiency. The programmable timing on the Avian Lite 70-Amp lets you find the sweet spot for your specific motor and application.
- Is this ESC waterproof for outdoor RC vehicle use? — Whilst not specifically sealed for submersion, the Avian Lite 70-Amp can handle typical outdoor conditions including light rain and water splashes. For waterproof applications, you may want to use a waterproof case or servo-grade connector shrouds, particularly if using this in a water-exposed RC boat application.
- What makes this better than standard brushless ESCs? — The Avian Lite 70-Amp distinguishes itself through Spektrum Smart technology integration, programmable timing adjustment, intelligent telemetry capabilities, and proven reliability in professional RC applications. These features enable serious optimisation and real-time system monitoring unavailable on budget ESCs, justifying the investment for competitive fliers and drivers.
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 Avian Lite 70-Amp Brushless Smart ESC, 3S-6S IC5 P-SPMXAE70A 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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