Radient LiPo 3S 3250mAh 11.1V 30C EC3 RDNB32503S30EC3

Overview

The Radient LiPo 3S 3250mAh 11.1V 30C EC3 battery (RDNB32503S30EC3) is a dependable mid-capacity power solution designed for RC enthusiasts across the UK who demand reliable performance in a compact, lightweight package. Whether you're piloting an RC car, truck, or other electric-powered RC model, this 3-cell lithium polymer battery delivers consistent 11.1V output with excellent discharge characteristics. The EC3 connector ensures broad compatibility with countless RC platforms, making this an ideal choice for hobbyists seeking to expand their battery collection or upgrade their existing fleet.

With a 3250mAh capacity and 30C discharge rating, this battery strikes an excellent balance between runtime and power delivery for mid-range RC applications. It's equally at home powering a weekend basher through extended play sessions or supporting more serious RC pursuits. The compact footprint and lightweight construction mean this battery integrates seamlessly into models where space and weight distribution matter. Recommended for users aged 14 and above, this is a practical choice for anyone serious about their RC hobby in the UK market.

Radient has built a strong reputation for delivering quality batteries at competitive prices, and this 3S LiPo pack exemplifies that commitment to value and performance. The soft case construction provides essential protection during storage and transport, whilst the standardised EC3 connector means you can confidently integrate this battery into your existing RC setup without worrying about compatibility issues.

Key Features

• 3250mAh Capacity — This mid-range capacity provides extended runtime for recreational RC use, allowing you to spend more time enjoying your model before needing to recharge, which is particularly valuable when you're out at a local RC track or bash spot across the UK.
• 11.1V Output (3S Configuration) — The three-cell design delivers 11.1 volts of power, which is the standard voltage for countless RC applications and ensures compatibility with the vast majority of ready-to-run RC vehicles and custom builds on the market.
• 30C Discharge Rating — This robust discharge rate provides sufficient peak current output for dynamic driving, enabling strong acceleration and responsive throttle control without thermal stress on the battery cells, making it ideal for recreational and moderate performance use.
• EC3 Connector — The widely-adopted EC3 plug type ensures universal compatibility across an enormous range of RC equipment, from budget-friendly beginner models to more advanced setups, eliminating connector compatibility concerns.
• Compact Dimensions — At just 135mm long, 44mm wide, and 21mm tall, this battery fits into tight battery bays whilst maintaining sufficient capacity, making it perfect for models where space is at a premium or weight distribution is critical.
• Soft Case Protection — The included soft case safeguards your investment during storage and transport, protecting battery terminals from accidental short circuits and the cells from physical damage.
• Lightweight Construction — Weighing only 0.28kg, this battery minimises the overall weight of your RC model, which translates to improved acceleration, handling characteristics, and runtime efficiency.
• Age Recommendation 14+ — This specification reflects the responsible use guidelines for lithium polymer batteries, which require proper handling, charging, and storage procedures best suited to users with appropriate maturity and understanding.

Technical Performance

The Radient LiPo 3S 3250mAh 11.1V 30C battery represents solid engineering in the mid-capacity RC battery segment. The 30C continuous discharge rating means this battery can safely deliver 97.5 amps of current (3250mAh × 30C = 97.5A), providing ample power for electric RC cars, trucks, and other models designed around 3S LiPo power systems. The three-cell configuration produces the standard 11.1V nominal voltage (and approximately 12.6V when fully charged), which has become the industry standard for mid-sized electric RC vehicles across the UK and beyond. The soft case construction provides essential protection against impact damage and helps prevent accidental terminal contact that could cause shorts. The compact dimensions of 135 × 44 × 21mm allow this battery to fit into models designed with space constraints in mind, whilst the 0.28kg weight keeps your model's centre of gravity optimal for handling performance. The EC3 connector is one of the most widely recognised and reliable connection standards in the RC hobby, offering excellent conductivity and secure seating. This battery suits a broad range of applications, from recreational weekend bashing to more structured RC driving sessions at clubs and tracks throughout the UK. Proper charging using a LiPo-compatible charger and appropriate storage procedures will maximise the lifespan of these cells and maintain their performance characteristics over many charge cycles.

What's in the Box

• Radient LiPo 3S 3250mAh 11.1V 30C battery pack with EC3 connector
• Soft case for protection and storage

What You Need to Complete

• A compatible LiPo battery charger (must support 3S LiPo charging)
• An RC model with EC3 battery connector and 3S LiPo compatibility
• Battery balancer or balance charger for optimal cell maintenance
• Safe, level charging surface away from flammable materials

Frequently Asked Questions

• Is the Radient 3S 3250mAh 30C LiPo battery suitable for RC beginner users? — Yes, this battery is an excellent choice for beginners aged 14 and above, provided they understand proper LiPo handling, storage, and charging procedures. The 30C discharge rating is conservative enough to avoid thermal stress, and the mid-capacity size makes it forgiving during learning phases. However, users must follow all safety guidelines, charge the battery in a safe location, and never leave it charging unattended.
• What RC models are compatible with this EC3 connector battery? — The EC3 connector is one of the most widely used standards in the RC hobby, found on countless electric RC cars, trucks, buggies, and other models. Before purchasing, verify that your specific RC model features an EC3 female socket and is rated for 3S LiPo power. Most mid-range ready-to-run and kit-built RC vehicles across the UK market support this configuration.
• How long will this battery run on a single charge? — Runtime depends on your specific RC model's motor, ESC settings, driving style, and terrain. Generally, a 3250mAh pack will provide 15-30 minutes of continuous driving on most recreational RC cars and trucks, though this varies significantly. Higher current draw means shorter runtime, whilst lighter vehicles and efficient driving extend flight time.
• What charger do I need for the Radient 3S LiPo battery? — You must use a charger specifically designed for lithium polymer batteries and capable of handling 3S LiPo packs. Standard NiMH chargers will not work and may damage the battery. Ideally, choose a charger with integrated balancing functionality to maintain individual cell voltages evenly and extend battery lifespan.
• What is the difference between this 30C battery and higher discharge-rated alternatives? — The 30C discharge rating provides 97.5 amps of continuous current, which is suitable for recreational and moderate performance use. Higher discharge rates (50C, 70C, 100C) deliver more peak current, enabling faster acceleration and better performance under high-demand driving but typically cost more and are unnecessary for casual use.
• How should I store this LiPo battery safely? — Store the battery in a cool, dry location away from heat sources, direct sunlight, and flammable materials. Many enthusiasts use dedicated LiPo storage boxes or fireproof bags. Before long-term storage, discharge the battery to approximately 50% charge (around 3.85V per cell), which extends overall lifespan and reduces fire risk.
• Is the EC3 connector the same as XT60? — No, EC3 and XT60 are different connector types with different physical dimensions and pin configurations. They are not compatible, so always verify your RC model uses EC3 connectors before purchasing this battery. Using an incorrect connector type could damage your equipment.

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 LiPo 3S 3250mAh 11.1V 30C EC3 RDNB32503S30EC3 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.