Overview
The Killer Body KB48712 TRX-4 Battery Holder is a precision-engineered steel rear battery mount specifically designed for the Traxxas TRX-4 chassis. This essential upgrade component provides RC enthusiasts and serious crawlers with a robust solution for optimising weight distribution and vehicle balance during off-road adventures. Whether you're tackling challenging terrain in the UK countryside, competing at local RC events, or simply enjoying weekend bashing sessions, this rear battery holder transforms your TRX-4 setup by enabling strategic battery positioning that enhances handling characteristics and overall performance on the trail.
For experienced RC car UK builders and TRX-4 owners, battery placement is a critical tuning variable that directly affects traction, stability, and cornering precision. By moving your battery to the rear of the chassis using this steel holder, you can fine-tune your vehicle's centre of gravity to match specific driving conditions, terrain types, and personal driving preferences. The Killer Body KB48712 is an option part that gives you complete flexibility in how you configure your TRX-4, making it an indispensable upgrade for anyone serious about maximising their RC crawler's potential.
The steel construction ensures durability and longevity, even when subjected to the rigours of regular RC use. This is not a cosmetic upgrade—it's a functional, performance-enhancing component that becomes an essential part of any dedicated TRX-4 owner's spares and upgrades collection. Available now at RC Model Shop with next-day UK shipping available, the KB48712 is ready to help you unlock new performance possibilities in your TRX-4 chassis.
Key Features
- Steel Construction — The robust steel material provides exceptional durability and structural integrity, ensuring the battery holder can withstand the stresses and impacts of off-road RC crawling without bending, warping, or failing over time.
- Rear Battery Holder Design — Specifically engineered as a rear-mounted battery solution, this holder enables you to relocate your battery pack to the rear of the TRX-4 chassis, fundamentally altering weight distribution and allowing you to optimise your vehicle's handling balance for different terrain types and driving styles.
- Traxxas TRX-4 Compatibility — Engineered with precision tolerances to integrate seamlessly with the Traxxas TRX-4 platform, ensuring a perfect fit and reliable performance without modification to your chassis or battery pack.
- Option Part Fitment — Classified as an optional upgrade component rather than essential equipment, meaning you have complete control over whether and when to integrate this into your build, giving you flexibility in your setup choices.
Technical Performance
The Killer Body KB48712 represents a precision engineering solution for TRX-4 owners seeking to optimise their vehicle's performance characteristics through strategic battery placement. Constructed from steel, this rear battery holder delivers the structural rigidity necessary to securely position and support a battery pack at the rear of your chassis without flexing, movement, or vibration during aggressive driving. Steel's superior strength-to-weight ratio compared to plastic alternatives ensures that the added durability doesn't significantly impact your vehicle's overall weight budget. The rear mounting position fundamentally changes your TRX-4's weight distribution, effectively moving the centre of gravity rearward. This adjustment can dramatically improve traction during climbing, enhance stability during high-speed runs, and refine cornering characteristics depending on your driving technique and terrain conditions. For serious RC crawlers and TRX-4 competitors, this ability to dial in battery position is a valuable tuning tool that rivals and complements other suspension and drivetrain modifications. The KB48712 is engineered specifically for the Traxxas TRX-4 scale platform, one of the most popular and capable RC crawlers available in the UK market today.
What's in the Box
- Killer Body TRX-4 Rear Battery Holder Steel — KB48712
Frequently Asked Questions
- Will the KB48712 rear battery holder fit my Traxxas TRX-4? — Yes, the Killer Body KB48712 is specifically engineered for the Traxxas TRX-4 chassis as a precision option part. It integrates seamlessly with your existing TRX-4 platform without requiring modifications to your chassis or battery pack.
- What benefits will moving my battery to the rear provide? — Repositioning your battery to the rear of your TRX-4 using this steel holder shifts your vehicle's centre of gravity rearward, which can improve traction when climbing, enhance stability during high-speed runs, and refine your vehicle's handling balance. The specific benefits depend on your driving style, local terrain, and how you tune other suspension and drivetrain settings.
- Is this holder suitable for beginners? — The KB48712 is an option part best suited to experienced TRX-4 owners and RC enthusiasts who understand weight distribution tuning and want to optimise their vehicle's performance. Beginners may want to familiarise themselves with their TRX-4's standard configuration before exploring optional battery placement modifications.
- What type of battery can this holder accommodate? — The source documentation does not specify particular battery size or type limitations. We recommend contacting RC Model Shop directly or consulting Killer Body's technical specifications to confirm that your specific battery pack dimensions and weight are compatible with this holder.
- How does steel construction benefit this product? — Steel provides superior durability and structural rigidity compared to plastic alternatives, ensuring the holder maintains its shape and securely supports your battery pack during aggressive off-road driving without flexing, warping, or failure under sustained stress.
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 KILLERBODY TRX-4 BATTERY HOLDER STEEL (REAR BATTERY) KB48712 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.
- Brand: Killer Body
- Model Number: KB48712
- Barcode: 4560394779730
- Part Type: Rear Battery Holder
- Construction Material: Steel
- Fitment Type: Option Part
- Vehicle Compatibility: Traxxas TRX-4 chassis
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.
