Overview
The Hobbywing 1/8th Electronic Power Switch (Model HW30850005) is an essential replacement component for RC enthusiasts running 1/8th scale electric RC cars in the UK and beyond. This specialist electronic switch is designed specifically to replace damaged or worn power switches on compatible Hobbywing ESC units, restoring your RC car to full working order without requiring a complete ESC replacement. Whether you're a dedicated racer, weekend basher, or serious RC hobbyist, having a genuine Hobbywing replacement switch on hand ensures minimal downtime and maximum performance when you need it most.
Built to OEM (Original Equipment Manufacturer) standards, this electronic power switch maintains the same quality and reliability that Hobbywing is recognised for throughout the RC community. The switch is compatible with two of Hobbywing's most popular 1/8th scale ESC units: the XERUN XR8-Plus and the EZRUN MAX8. Both of these ESCs are trusted by competitive racers and recreational drivers alike for their advanced performance features, excellent power delivery, and durability. By choosing a genuine Hobbywing replacement switch, you're ensuring perfect compatibility and long-term reliability for your investment in premium RC electronics.
If you're searching for a reliable replacement power switch for your 1/8th scale brushless RC car, this is the genuine OEM component you need. RC Model Shop stocks authorised Hobbywing products, and our team of experienced RC enthusiasts can help ensure you get the right component for your specific ESC model.
Key Features
- 6S LiPo Compatible — This electronic power switch is rated for input voltages between 2-6S, meaning it safely handles the full range of LiPo battery configurations from 2-cell up to 6-cell packs. This voltage compatibility range ensures the switch will work reliably whether you're running a lightweight 2S setup for beginner practice or pushing your 1/8th scale RC car hard with a full 6S LiPo pack for maximum power and speed.
- OEM Hobbywing Replacement Component — This is a genuine manufacturer replacement part, not an aftermarket substitute, which guarantees perfect fit, function and longevity. Using the genuine Hobbywing switch ensures your ESC performs exactly as intended by the engineers at Hobbywing.
- Designed for XERUN XR8-Plus and EZRUN MAX8 — The switch is specifically engineered for these two high-performance 1/8th scale ESC units, which are among the most popular choices in the RC car community for everything from competitive racing to recreational bashing. If you own either of these ESCs and experience switch failure, this is the direct replacement you need.
- Electronic Power Management — Unlike mechanical switches, this electronic power switch offers more reliable on/off control and better integration with your ESC's control systems. Electronic switches typically provide faster response times and more consistent performance across different battery voltages and temperature conditions.
- Simple Installation — As a direct OEM replacement component, installation is straightforward for anyone with basic RC maintenance experience. This means you can get your RC car back on the track or in the field quickly, minimising downtime during important racing seasons or events.
Technical Performance
The Hobbywing 1/8th Electronic Power Switch represents the precision engineering that Hobbywing has become known for in the brushless ESC and RC electronics market. This component is built to handle the demanding requirements of modern 1/8th scale RC cars, which often feature powerful brushless motors and high-capacity LiPo batteries that draw significant current during acceleration and high-speed running. The switch's support for 2-6S LiPo configurations means it's equally at home in lightweight, low-power setups or in aggressive, high-performance racing builds running dual batteries for extreme power delivery. The electronic switching design provides superior reliability compared to traditional mechanical switches, with no moving contact points to wear, corrode, or develop resistance over time. This engineering approach means the switch will maintain consistent performance throughout its operational life, ensuring you always get clean, reliable power delivery from battery to ESC every time you power up your RC car. The component integrates seamlessly with both the XERUN XR8-Plus and EZRUN MAX8 ESCs, two of Hobbywing's flagship units for 1/8th scale applications, which speaks to the quality and precision of the manufacturing process.
What's in the Box
- 1x Hobbywing 1/8th Electronic Power Switch (6S rated)
Frequently Asked Questions
- What does this power switch do and why do I need one? — The electronic power switch controls the on/off function of your ESC, connecting and disconnecting power from the battery to the speed controller. If your original switch becomes damaged, unresponsive, or fails entirely, your RC car won't power up properly. This genuine Hobbywing replacement switch restores full functionality to your ESC without requiring an expensive complete ESC replacement.
- Will this switch work with my Hobbywing ESC? — This switch is specifically designed for the XERUN XR8-Plus and EZRUN MAX8 ESCs. If you own either of these 1/8th scale units, this is the correct replacement. However, if you have a different Hobbywing ESC model, you may need the 4S version (HW30850008) for SCT variants, or another model entirely. We recommend checking your ESC model number before ordering to ensure compatibility.
- What battery voltage does this switch support? — The switch is rated for 2-6S LiPo batteries, which includes 2-cell (7.4V nominal), 3-cell (11.1V), 4-cell (14.8V), 5-cell (18.5V), and 6-cell (22.2V) configurations. This wide voltage range makes it suitable for virtually any LiPo setup you might use with your 1/8th scale RC car, from beginner-friendly 2S packs to aggressive 6S racing configurations.
- How does the electronic switch compare to other replacement switches? — Hobbywing's electronic switches offer superior reliability and responsiveness compared to mechanical alternatives. Electronic switches eliminate moving contact points that can wear, oxidise, or develop resistance. This engineering approach ensures consistent power delivery and longer operational life, making the genuine Hobbywing replacement a worthwhile investment over cheaper aftermarket alternatives.
- Is this suitable for competitive racing or just casual bashing? — This genuine OEM component is absolutely suitable for both competitive racing and recreational RC bashing. Hobbywing's professional-grade components are used by serious competitors worldwide, so you're getting the same quality and reliability used in high-level racing applications. Whether you're competing in local races or simply enjoying RC cars as a hobby in the UK, this switch will provide dependable performance.
- Will I need any special tools to install this replacement switch? — Installation is straightforward and requires only basic tools that most RC hobbyists already have. You'll typically need a small screwdriver and possibly a soldering iron if the switch connections are soldered rather than connectorised, though many modern installations use connector-based designs for easier replacement. Our team at RC Model Shop can provide guidance if you're unsure about installation.
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 HOBBYWING 1/8TH ESC ELECTRONIC POWER SWITCH (XR8 PLUS/MAX8) HW30850005 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.
- Model Number: HW30850005
- Product Name: 1/8th Electronic Power Switch - 6S
- Manufacturer: Hobbywing
- Compatible ESC Models: XERUN XR8-Plus, EZRUN MAX8
- Input Voltage Range: 2-6S LiPo
- Nominal Voltage Compatibility: 7.4V (2S), 11.1V (3S), 14.8V (4S), 18.5V (5S), 22.2V (6S)
- Component Type: Electronic Power Switch (OEM Replacement)
- Application: 1/8th Scale RC Cars and Buggies
- Scale Compatibility: 1/8th Scale
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.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- 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.
