TRX2975

Overview

The Traxxas 4A DC NiMH 6-7 Cell Charger TRX2975 is a fast-charging solution purpose-built for serious RC enthusiasts in the UK who demand reliable, quick charging for their NiMH battery packs. Whether you're running a Traxxas RC car, truck, buggy or any other RC model powered by 6 or 7-cell NiMH batteries, this 4-amp charger delivers professional-grade performance in a compact, user-friendly package. The charger is optimised specifically for Traxxas iD Power Cell NiMH batteries but works with any compatible 6-7 cell NiMH pack, making it an essential piece of equipment for weekend bashers, competitive racers and RC enthusiasts across the UK.

At its core, the Traxxas 4A DC charger represents excellent value for money and practical engineering. It's designed to get you back in the action faster with its high 4-amp output, meaning your batteries spend less time on the bench and more time powering your RC adventures. The charger connects via a standard 12-volt DC power supply, making it versatile enough to use at home, in the workshop, or even in the garage during track events. For anyone serious about their RC hobby in the UK, this is a reliable workhorse that will serve you faithfully for years to come.

Unlike complicated programmable chargers that require hours of setup and configuration, the Traxxas 4A DC is refreshingly simple to use. This straightforward approach makes it perfect for beginners discovering the world of RC for the first time, yet it's powerful enough for experienced racers who just want a no-nonsense charging solution that gets the job done every single time. The universal compatibility with 7.2-volt to 8.4-volt NiMH packs means you can charge multiple RC models without needing separate chargers, saving space in your pit bag or workshop.

Key Features

• 4-Amp High-Output Charging — The 4-amp charging current delivers fast charging performance, getting your NiMH batteries ready for action in minimal time compared to lower-amperage chargers. This means more track time and less waiting around between battery swaps during RC sessions.
• Peak-Detection Circuitry — Advanced peak-detection technology monitors your battery throughout the charging process and automatically stops charging the moment the battery reaches full capacity. This intelligent system prevents overcharging, which extends battery lifespan and maintains consistent performance across multiple charge cycles.
• Universal LED Status Indicator — The status LED provides instant visual feedback: a flashing green light indicates charging is actively in progress, while a solid green light confirms your battery is fully charged and ready to use. This foolproof system eliminates guesswork and ensures you never accidentally use a partially charged battery during important races or weekend bash sessions.
• Optimised for Traxxas iD Power Cell NiMH Batteries — While compatible with any 6-7 cell NiMH pack, this charger is specifically tuned for Traxxas iD Power Cell batteries, ensuring optimal charging performance and maximum battery lifespan when used with genuine Traxxas packs.
• 12-Volt DC Universal Input — The charger operates from any standard 12-volt DC power supply, offering tremendous flexibility. Use it with standard DC power supplies available across the UK, making it adaptable to different charging environments and setups.
• NiMH-Only Design — This charger is exclusively engineered for NiMH chemistry batteries and is not compatible with LiPo batteries, which have completely different charging requirements. This focused design means you get optimised charging for your NiMH packs without cross-compatibility confusion.
• Compact and Portable — The charger's small footprint makes it ideal for storing in your pit bag, RC car box, or workshop shelf. Its portability means you can take it to track events, club meetings, or anywhere your RC adventures take you around the UK.

Technical Performance

The Traxxas 4A DC NiMH charger represents solid engineering focused entirely on the task of rapidly and safely charging 6-cell and 7-cell NiMH battery packs. The 4-amp charging rate provides meaningful acceleration compared to 2-amp or 3-amp chargers commonly found in ready-to-run RC car kits, translating directly to shorter charging times and faster turnaround between battery swaps during extended RC sessions. The charger is compatible with any NiMH battery pack rated between 7.2 volts (six cells at 1.2 volts per cell) and 8.4 volts (seven cells at 1.2 volts per cell), covering the most common voltage configurations used in RC models across the UK. The peak-detection circuitry is the intelligent heart of the charger's operation, continuously monitoring battery voltage during the entire charging cycle. When the battery reaches full charge, the peak detection circuit recognises the characteristic voltage drop that occurs at battery saturation and immediately terminates the charging current, preventing the battery from being held at float voltage for extended periods. This intelligent approach maintains battery health, preserves cell capacity, and ensures the battery will perform at peak levels during your next RC session. The status LED provides real-time feedback without requiring any technical knowledge to interpret—green flashing means go, green solid means ready. The charger draws power from a standard 12-volt DC supply, a voltage readily available from workshop power supplies, vehicle cigarette lighters, or portable 12V battery systems. This universal compatibility makes the charger one of the most flexible charging solutions for NiMH enthusiasts in the UK, regardless of your available power infrastructure.

What's in the Box

• Traxxas 4A DC NiMH Charger (TRX2975)
• 12-Volt DC power connection lead

Frequently Asked Questions

• Is the Traxxas 4A DC NiMH charger suitable for RC beginners? — Absolutely. This charger is designed for simplicity with no complicated programming or menu systems to navigate. Simply connect your 6 or 7-cell NiMH battery, plug in the 12-volt DC power supply, and watch the LED indicator. When it turns solid green, your battery is ready. The foolproof design makes it perfect for newcomers to RC hobbies across the UK whilst being capable enough for seasoned racers.
• What voltage NiMH batteries can this charger handle? — The Traxxas 4A DC charger is rated for 6-cell and 7-cell NiMH battery packs, which equates to 7.2 volts and 8.4 volts respectively. These are the standard voltages used in most RC cars, buggies, trucks and truggy models powered by NiMH chemistry. Always verify your battery is within this range before charging.
• Can I use this charger with LiPo batteries? — No. This charger is designed exclusively for NiMH batteries and should never be used with LiPo batteries. LiPo batteries have different charging requirements and voltages, and using an NiMH charger on a LiPo pack can result in damage to the battery or charger, or present safety risks. If you own both NiMH and LiPo-powered RC models, you'll need separate chargers for each chemistry.
• How long does it take to charge a typical NiMH battery pack? — Charge time depends on battery capacity measured in milliamp-hours (mAh). As a general rule, divide the battery capacity by the charging amperage. For example, a 3000 mAh battery would charge in approximately 45 minutes at the 4-amp rate, though actual times vary slightly based on battery condition and ambient temperature. The peak-detection circuit ensures full charge is always achieved without overcharging.
• What power supply do I need for this charger? — You need any standard 12-volt DC power supply capable of delivering sufficient current. Common options include workshop power supplies, automotive cigarette lighter sockets with 12V DC adapters, or portable 12-volt battery systems. Most RC hobby shops across the UK stock compatible 12V DC power supplies separately if you don't already have one.
• Does the charger work with Traxxas iD batteries? — Yes. The charger is specifically optimised for Traxxas iD Power Cell NiMH batteries and will deliver peak performance when used with genuine Traxxas packs. It is also compatible with standard NiMH batteries from other manufacturers as long as they are 6-cell or 7-cell configurations within the 7.2-8.4 volt range.
• How do I know when charging is complete? — The status LED on the charger provides instant feedback. A flashing green light indicates active charging. Once the battery is fully charged, the LED turns solid green, indicating the peak-detection circuit has terminated charging. At this point, your battery is fully charged and ready for use. Leave the charger connected and the battery won't be damaged—the peak-detection technology prevents overcharging.
• Is this charger safe for overnight charging? — Thanks to the peak-detection circuitry, you can safely leave your NiMH battery connected to this charger even after charging completes. Once the battery reaches full charge, the charger stops delivering current, protecting your battery from overcharging damage. However, many RC enthusiasts prefer to unplug batteries after charging is complete as a good battery maintenance practice.

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 Traxxas 4A DC NiMH 6-7 Cell Charger TRX2975 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.