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EFL BL15 Brushless Outrunner Motor 900Kv M-EFLM4015C

Model No: M-EFLM4015C


COMING SOON 03/06/2026

Coming Soon - Stock Arriving: 03/06/2026

Stock Arriving: 03/06/2026

£49.99

£5.00

£44.99

Inc VAT

1 Year Warranty
We Accept

Overview

The E-flite BL15 Brushless Outrunner Motor 900Kv is a recognised choice for RC hobbyists across the UK seeking a reliable and straightforward brushless motor solution. Identified by the part number EFLM4015C, this motor delivers clean and dependable performance for radio-controlled models that call for a brushless outrunner in the 900Kv range. Whether you're looking to upgrade an existing model, repair a damaged motor, or build a new RC car or aircraft, this E-flite motor pairs the brand's established quality reputation with straightforward compatibility, making it an accessible option for both experienced RC enthusiasts and those newer to the brushless RC hobby.

As a brushless outrunner motor, the BL15 900Kv provides the efficiency and longevity advantages that brushless technology is known for in the RC community. The 900Kv rating indicates the motor's rotational speed per volt of input, which determines the torque and speed characteristics of your model. This specification makes the BL15 particularly suitable for models that benefit from a balance of power and control, rather than extreme speed or extreme low-end torque. The outrunner design, where the motor's outer bell rotates around a fixed stator, is a popular configuration in RC modelling because it can be mounted directly to propellers, wheels, or gearing systems with minimal additional components.

RC Model Shop stocks this E-flite motor as part of our comprehensive range of brushless RC motors and components. Whether you're running an RC car UK-wide, building a quadcopter, or maintaining a fleet of RC aircraft, having access to quality replacement motors from authorised dealers is essential for keeping your models in action. The BL15 is recognised as a standard part for the E-flite Commander mPd 1.4m platform, making it a direct fit for those specific models.

Key Features

  • Brushless Outrunner Design — The brushless outrunner configuration eliminates the need for brush maintenance and provides superior reliability compared to brushed motors, whilst the outrunner format allows for direct mounting to propellers, wheels or gears without complex coupling arrangements.
  • 900Kv Rating — This specific Kv rating determines the motor's performance envelope, making it suitable for models designed around this specification by the manufacturer, ensuring optimal balance between speed and torque delivery for compatible platforms.
  • E-flite Quality — E-flite is a recognised brand in the RC hobby sector with a reputation for producing reliable components that perform consistently in both recreational and more demanding applications across the UK RC market.
  • Standard Part Compatibility — The BL15 900Kv is designated as a standard part for the E-flite Commander mPd 1.4m family of models, meaning it is the recommended motor specification for these platforms and will integrate seamlessly with existing setups.
  • Straightforward Identification — With clear part numbering (EFLM4015C) and manufacturer designation (605482070451), identifying this motor and ensuring you receive the correct component for your model is simple and reliable.

Technical Performance

The E-flite BL15 Brushless Outrunner Motor 900Kv delivers the technical performance characteristics expected from a modern brushless outrunner motor in this Kv category. At 900Kv, this motor will rotate approximately 900 revolutions per minute for every volt applied, which with standard RC battery packs creates a performance profile suited to models requiring a balanced approach between speed capability and torque characteristics. Brushless motors like the BL15 eliminate the commutation losses and friction inherent in brushed motor designs, translating to improved efficiency and extended service life. The outrunner topology, where the bell rotates externally around the stator windings, is particularly efficient at lower speeds and higher torques compared to inrunner designs, making it well-suited for applications across RC cars, trucks, aircraft and multicopters. The robust engineering typical of E-flite motors ensures consistent performance across multiple battery cycles and extended operating periods. To ensure optimal performance and reliability, it is essential to match this motor with an appropriate electronic speed controller (ESC) rated for your intended battery voltage and current requirements, and to verify compatibility with your specific model by consulting the model manufacturer's guidance alongside any compatibility notes provided.

What's in the Box

  • E-flite BL15 Brushless Outrunner Motor 900Kv

Frequently Asked Questions

  • Is the E-flite BL15 900Kv motor suitable for beginners? — The BL15 is a straightforward brushless outrunner motor suitable for hobbyists of varying experience levels. Beginners should ensure they understand the basic requirements for mounting the motor, selecting an appropriate ESC, and configuring the speed controller correctly. E-flite's recognised quality and the motor's standard part status for the Commander mPd 1.4m make it an accessible choice for those newer to brushless RC motors.
  • What type of models is this motor designed for? — The E-flite BL15 900Kv is designated as a standard part for the E-flite Commander mPd 1.4m platform, both in BNF Basic with AS3X and SAFE Select configuration and in PNP configuration. This indicates it is engineered for models in that size and weight class, though it may also be suitable for other compatible platforms—always verify with your model's manufacturer specifications.
  • What battery does the BL15 900Kv need? — The source material does not specify exact battery voltage or capacity requirements. The 900Kv rating and motor characteristics suggest it is designed for standard RC LiPo or NiMH batteries in configurations typical for the Commander mPd platform, but you should consult your specific model's manual and ESC documentation to determine the exact battery requirements for your setup.
  • Do I need an ESC to run this motor? — Yes, a brushless motor requires an electronic speed controller. The ESC regulates power delivery from your battery to the motor and enables throttle control through your RC radio receiver. You should select an ESC rated appropriately for your battery voltage and expected current draw based on your model's specifications.
  • Is this a replacement part for my E-flite model? — The BL15 900Kv is listed as a standard part for the E-flite Commander mPd 1.4m in both BNF Basic and PNP variants. If you own one of these models, this motor is the manufacturer-recommended replacement. For other E-flite models or platforms, verify compatibility by checking your model's documentation or contacting an authorised dealer like RC Model Shop for guidance.
  • What makes brushless motors better than brushed motors? — Brushless motors eliminate the brush and commutator assembly found in brushed motors, resulting in reduced mechanical friction, longer service life, higher efficiency, and lower maintenance requirements. Brushless technology is now the standard across the RC hobby, offering superior performance and reliability for RC cars UK-wide and beyond.

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 E-flite BL15 Brushless Outrunner Motor 900Kv M-EFLM4015C 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.
  • Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
  • Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
  • If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
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  • If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
  • For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.