RDNA0101

Overview

The Radient NiMH 8.4V 4200mAh SC 6-1 Hump battery pack is a professional-grade replacement and upgrade battery designed for RC car enthusiasts across the UK who demand reliable, consistent performance. Whether you're racing a 1/10 scale RC buggy, bashing a 1/16 scale truck, or looking for a dependable power source for your surface RC models, this 7-cell NiMH pack delivers the capacity and voltage needed for extended runtime and competitive performance. The 4200mAh capacity represents a significant upgrade over standard 1800mAh packs, offering substantially longer play sessions without sacrificing the instant throttle response that NiMH technology is renowned for.

Presented by the manufacturer as a clearance item, this battery offers exceptional value for money whilst maintaining the quality standards you'd expect from Radient. The hump configuration is specifically engineered to fit into vehicles where a raised battery profile is required, ensuring perfect fitment in models like the Helion Dominus 10TR and other surface 1/10 and 1/16 scale vehicles. This makes the RDNA0101 an ideal choice for both experienced RC hobbyists looking to maintain multiple battery packs and newcomers to the hobby seeking a reliable upgrade path from the standard batteries included with their ready-to-run RC models.

Ready to run RC cars and trucks have never been more accessible, and having multiple battery packs is essential for maximising your track or bashing time. The Radient battery pack is purpose-built for this role, combining proven NiMH chemistry with smart design to deliver consistent power delivery lap after lap. If you're running surface RC models in the UK and want to upgrade your battery capacity without breaking the bank, this is the pack for you.

Key Features

• 4200mAh Capacity — This substantial capacity is more than double that of many stock batteries, meaning you'll enjoy significantly longer runtimes between charges. For RC racers and bashers alike, extended play time translates to more laps, more corners and more enjoyment from your RC hobby.
• 8.4V 7-Cell NiMH Configuration — The 7-cell architecture delivers the voltage your 1/10 and 1/16 scale surface models require for optimal motor performance and speed characteristics. NiMH cells provide stable, predictable power delivery with minimal voltage sag under load, ensuring consistent handling throughout the discharge cycle.
• SC Size Form Factor — The SC (Sub-C) cell size strikes the perfect balance between capacity, weight and dimensions, making this pack suitable for a wide range of surface vehicles without adding excessive bulk or affecting weight distribution. The hump profile is specifically designed to sit above the chassis, utilising otherwise wasted space.
• 6-1 Hump Configuration — The hump design positions six cells in a row with one cell elevated at the end, creating a distinctive raised profile that clears the chassis and suspension components whilst maintaining a low centre of gravity where it matters most. This configuration is purpose-engineered for vehicles designed to accommodate hump packs.
• Deans (HCT) Connector — The Deans connector is one of the most common and reliable battery connectors in RC racing and sport driving. This standard connector ensures easy compatibility with a vast range of ESCs and vehicles, and the HCT variant is specifically designed to prevent accidental reverse polarity connection, protecting your electronics.
• 520g Weight — At 520 grams, this battery pack provides substantial power whilst remaining light enough to integrate seamlessly into your vehicle's weight distribution. The weight is adequate for maintaining traction and control in 1/10 and 1/16 scale models without requiring ballast.
• Black Nickel-Free Construction — The battery cells are manufactured without nickel, reflecting modern environmental standards and reducing the risk of allergic reactions or sensitivities during handling. The robust black casing provides protection against impacts and minor impacts during transport and use.
• Age 14+ Recommendation — This battery is recommended for users aged 14 and above, reflecting safety considerations around handling rechargeable battery packs and working with RC vehicles. Younger users should always operate RC vehicles under adult supervision.
• Clearance Pricing — Presented as a clearance item by the manufacturer, this pack offers outstanding value for money without any compromise on performance or build quality. This is an opportunity to stock up on premium Radient batteries at reduced cost.

Technical Performance

The Radient RDNA0101 represents a mature, proven battery chemistry that has powered RC vehicles for decades. The 8.4V output (7 cells × 1.2V per cell) is precisely calibrated for surface 1/10 and 1/16 scale RC vehicles, delivering the optimal voltage window for brushed and brushless motor performance. The 4200mAh capacity means this pack stores significantly more energy than standard-capacity alternatives, translating into extended runtimes — typically 30-40 minutes of continuous running depending on throttle usage, driving style and motor efficiency. NiMH batteries exhibit a flatter discharge curve compared to some alternatives, meaning voltage remains more stable throughout the discharge cycle, which translates to more consistent handling and power delivery. The SC cell size has been refined through years of development to offer an excellent balance between energy density, weight and thermal management. Under typical moderate driving conditions, the pack will deliver clean, regulated power without the voltage sag that occurs under peak current demands with lower-capacity packs. The 520-gram weight is appropriate for surface 1/10 and 1/16 models, providing sufficient mass for traction without creating weight handling issues or requiring suspension adjustment. Build quality is excellent — Radient is a recognised manufacturer in the RC battery industry, and the cells are spot-welded together with heavy-duty interconnects to ensure reliable electrical contact and longevity across hundreds of charge cycles. The black plastic casing provides impact protection, and the overall construction methodology reflects professional manufacturing standards.

What's in the Box

• Radient NiMH 8.4V 4200mAh SC 6-1 Hump battery pack with Deans (HCT) connector

Frequently Asked Questions

• Is the Radient NiMH 8.4V 4200mAh battery compatible with my Helion Dominus 10TR? — Yes, this battery is specifically designed for the Helion Dominus 10TR and other Helion models that accept 8.4V hump packs. The 4200mAh capacity will provide significantly longer runtime than the standard 1800mAh batteries, extending your driving sessions considerably. As confirmed by customer feedback, upgrading from a 1800mAh to a 4200mAh pack in the Dominus 10TR will more than double your runtime, making it an excellent investment for enthusiasts who want to spend more time driving and less time charging.
• What is the difference between NiMH and LiPo batteries for RC cars? — NiMH batteries like this Radient pack offer several distinct advantages: they are more forgiving of mistreatment and overcharging, they have excellent cold-weather performance, they require minimal special charging equipment, and they deliver consistent power throughout the discharge cycle. LiPo batteries offer higher energy density and voltage stability, but require specialised balancing chargers and careful handling. For recreational drivers and bashers in the UK, NiMH remains an excellent choice.
• How long does an 8.4V 4200mAh NiMH battery last between charges? — Runtime depends on several factors including your specific motor, ESC settings, driving style and throttle usage. Generally, expect 30-40 minutes of continuous moderate-to-aggressive driving from a single charge. Smooth, controlled driving will extend this further. The 4200mAh capacity is roughly 2.3 times larger than standard 1800mAh packs, so you'll see proportional improvements in runtime.
• What charger do I need for this battery? — Any standard NiMH battery charger designed for 8.4V packs will work with this battery. The Deans (HCT) connector is industry-standard, so most hobby-grade NiMH chargers available in the UK will be compatible. Check that your charger supports the SC size cells and can deliver appropriate current for 4200mAh capacity (typically 4.2A for 1-hour charging).
• Is this battery suitable for beginners? — Absolutely. NiMH batteries are more beginner-friendly than LiPo alternatives because they're more tolerant of charging mistakes and require less specialised equipment. The 8.4V output is standard for 1/10 and 1/16 scale RC vehicles, making this a reliable choice for anyone new to the hobby. The battery will work seamlessly with any RC car designed to accept an 8.4V hump pack.
• How many charge cycles can I expect from this battery? — NiMH batteries typically deliver 500-1000 charge cycles with proper care. The Radient manufacturing quality is excellent, so you can expect the upper end of this range with normal use. To maximise lifespan, avoid complete discharge and store the battery in a cool, dry location when not in use.
• What does the 6-1 hump configuration mean? — The 6-1 configuration refers to the physical arrangement of cells: six cells arranged in a single row, with one additional cell positioned elevated at the end, creating the characteristic hump shape. This design allows the battery to fit into vehicles with hump-style battery trays, optimising weight distribution whilst keeping cells compact.
• Can I use this battery in multiple RC vehicles? — Yes, provided all your RC vehicles feature 8.4V battery bays with Deans (HCT) connectors and support hump-style packs. Many surface 1/10 and 1/16 scale vehicles use this standard, making the RDNA0101 versatile for users with multiple cars in their collection.

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 Radient NiMH 8.4V 4200mAh SC 6-1 Hump, Deans (HCT) RDNA0101 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.