O-GC7N3300H-E3

• Brand: Gens Ace
• Model Number: O-GC7N3300H-E3
• Barcode: 5055320228141
• Battery Type: NiMH (Nickel-Metal Hydride)
• Cell Configuration: 7 Cell
• Voltage: 8.4V
• Capacity: 3300mAh
• Weight: 397g
• Length: 134mm
• Width: 46mm
• Height: 42mm
• Configuration: Hump Pack
• Connector Type: EC3
• Compatible Vehicles: ARRMA Vorteks 2WD, ARRMA Typhon 3S V3, ARRMA Senton Boost, ARRMA Granite Boost, ARRMA Gorgon, ARRMA Fury 2WD

Overview

The Gens Ace NiMH 8.4V Hump 3300mAh battery with EC3 connector is a reliable and practical power solution for RC enthusiasts in the UK who demand consistent performance from their electric RC cars and vehicles. This hump-pack configuration delivers a genuine 8.4 volts at 3300mAh capacity, making it an ideal choice for those seeking a dependable battery option that fits neatly into models designed for NiMH power systems. Whether you are operating a ready to run RC car, upgrading a spare battery for extended running sessions, or looking for a proven alternative to lithium polymer systems, this Gens Ace battery offers the stability and longevity that both beginners and experienced RC enthusiasts appreciate.

Designed specifically for RC applications, the hump configuration of this battery allows for optimal weight distribution and mounting flexibility in your RC vehicle. The compact yet substantial capacity of 3300mAh ensures you will have adequate runtime for leisure bashing sessions or competitive racing, whilst the proven NiMH chemistry provides a safe, forgiving platform that does not require the specialist knowledge often associated with LiPo battery management. Many RC enthusiasts prefer NiMH batteries for their reliability, ease of use, and lower risk profile, making this Gens Ace unit perfect for families getting into the RC hobby, or for pilots who want a second battery option without the complexity of advanced charge management systems.

This battery is widely compatible across multiple RC car platforms, particularly ARRMA models including the Vorteks 2WD, Typhon 3S V3, Senton Boost, Granite Boost, Gorgon, and Fury 2WD. The EC3 connector is one of the most standard connections found on modern RC vehicles and chargers, ensuring seamless integration with your existing setup. At just 397 grams, it strikes an excellent balance between capacity and weight, allowing your RC car to maintain proper handling characteristics whilst still delivering the power you need for exciting off-road adventures or on-road performance.

Key Features

• 8.4V NiMH Chemistry — This voltage specification ensures compatibility with vehicles designed for 7-cell NiMH packs, providing reliable, consistent power delivery throughout the discharge cycle without the voltage sag issues sometimes associated with other battery types.
• 3300mAh Capacity — The 3300mAh rating gives you substantial runtime for extended play sessions, allowing you to spend more time enjoying your RC vehicle rather than constantly recharging between short bursts of activity.
• EC3 Connector — The EC3 connector is one of the most widely adopted standards in the RC hobby, ensuring this battery will work seamlessly with the vast majority of modern RC chargers, ESCs, and vehicles without requiring adapter cables or modifications.
• Hump Pack Configuration — The raised hump design allows for flexible mounting options within your RC vehicle chassis, optimising weight distribution and maintaining proper handling balance whilst accommodating the battery within compact spaces.
• Compact Dimensions — Measuring 134mm in length, 46mm in width, and 42mm in height, this battery fits neatly into vehicles specifically designed for hump-pack configurations, ensuring proper fitment without modifications to your RC car's chassis or body.
• Lightweight Profile — At 397 grams, this battery is engineered to maintain proper vehicle balance and handling characteristics, preventing the sluggish performance that can occur when batteries are too heavy for their intended platform.
• Reliable NiMH Technology — NiMH batteries are renowned for their durability, safety, and ability to handle the demands of RC use, making this Gens Ace pack an excellent choice for reliable, worry-free operation in all RC cars and vehicles.
• Proven Gens Ace Brand — Gens Ace is a recognised manufacturer of battery solutions for RC applications, and this unit reflects their commitment to quality and performance in the RC hobby market.

Technical Performance

This Gens Ace NiMH battery delivers the engineering excellence expected from a dedicated RC power solution. The 8.4V output is specifically calibrated for seven-cell NiMH configurations, providing a steady voltage curve that maintains motor performance throughout the discharge cycle. With 3300mAh of capacity, this battery stores sufficient energy for extended running sessions across a wide variety of RC vehicles, from casual weekend bashers to more serious hobbyists. The hump pack form factor is intelligently designed to fit within vehicles like ARRMA's Vorteks 2WD, Typhon 3S V3, Senton Boost, Granite Boost, Gorgon, and Fury 2WD models, vehicles which represent some of the most popular ready to run RC cars available in the UK market. The physical dimensions of 134mm length, 46mm width, and 42mm height have been precisely engineered to maximise internal volume whilst maintaining a profile that integrates seamlessly into designed battery compartments. At 397 grams, the weight has been carefully balanced to avoid negatively impacting your vehicle's handling dynamics. The EC3 connector ensures compatibility with modern charging systems and vehicle electronics, eliminating compatibility concerns and allowing you to charge and operate this battery immediately upon purchase. NiMH chemistry, whilst perhaps less fashionable than modern LiPo alternatives, offers distinct advantages including superior thermal stability, exceptional durability under rapid charge and discharge cycles, and inherent safety features that make it an excellent choice for users prioritising reliability and ease of use over cutting-edge performance metrics.

What's in the Box

• Gens Ace NiMH 8.4V Hump 3300mAh Battery Pack with EC3 Connector

Frequently Asked Questions

• What RC vehicles is this Gens Ace NiMH battery compatible with? — This battery is specifically designed as a spare or replacement option for multiple ARRMA RC vehicles including the Vorteks 2WD, Typhon 3S V3, Senton Boost, Granite Boost, Gorgon, and Fury 2WD models. However, due to its standard EC3 connector and 8.4V specification, it may work with other RC cars designed for seven-cell NiMH packs. Always verify your vehicle's battery requirements before purchase to ensure proper compatibility.
• How long will this battery last per charge? — Runtime depends on your specific vehicle's motor, gearing, and driving style, but the 3300mAh capacity provides substantial playtime for most RC applications. Light driving and slower speeds will extend runtime, whilst high-performance driving or racing will consume the charge more quickly. Most users report 20 to 40 minutes of active running per full charge.
• Is this NiMH battery good for beginners? — Absolutely. NiMH batteries are ideal for beginners because they do not require the specialist knowledge needed for LiPo battery management. There is no need to balance charge or worry about over-discharging, and they are inherently safer to handle and charge. The Gens Ace NiMH 8.4V pack is an excellent introduction to RC power systems.
• What charger do I need for this battery? — This battery features the standard EC3 connector, which is compatible with the vast majority of modern RC chargers available in the UK market. Any charger with an EC3 socket and NiMH charging capability will work perfectly with this battery. Dedicated NiMH chargers are available and recommended for optimal charge control and battery longevity.
• Can I use this battery in vehicles not specifically listed as compatible? — Whilst this battery features a standard EC3 connector and 8.4V output, compatibility depends on your vehicle being designed for seven-cell NiMH packs. Check your vehicle's battery specifications before attempting to use this pack. Using an incompatible battery may result in poor performance, damage to electronics, or safety concerns.
• How does NiMH compare to LiPo batteries? — NiMH batteries like this Gens Ace pack offer superior safety, easier charging procedures, and exceptional durability compared to LiPo alternatives. LiPo batteries offer higher energy density and lighter weight, but require specialist charge management and present greater fire risk if mishandled. For reliable, worry-free operation, NiMH is the better choice for most RC enthusiasts.
• What is the hump pack configuration? — The hump pack design features a raised central section that allows the battery to fit into purpose-designed battery compartments in RC vehicles, particularly crawlers and off-road trucks. This configuration optimises weight distribution and allows for more compact mounting than traditional flat battery packs.
• Is this battery waterproof? — Whilst this battery can tolerate splash and light moisture exposure typical of RC use, it is not fully waterproof. Avoid complete submersion and dry the battery thoroughly after wet use. The EC3 connector should be kept dry to prevent corrosion and connection issues.

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 GENSACE NiMH 8.4V Hump 3300mAh with EC3 O-GC7N3300H-E3 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.
• 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.