Radient 3S 1350mAh 11.1V 30C LiPo Battery with EC3 Connector RDNB13503S30EC3

Overview

The Radient LiPo 3S 1350mAh 11.1V 30C EC3 battery is a compact, reliable power solution designed for RC hobbyists across the UK who demand performance without compromise. Whether you're running a small-scale RC car, boat, or other electric-powered model, this 3-cell LiPo pack delivers consistent 11.1 volts with impressive discharge capabilities. With its compact footprint and proven Radient engineering, this battery is perfect for space-conscious installations where weight and size matter. The 30C discharge rating ensures responsive throttle control and sustained power delivery, making it an excellent choice for both casual bashers and dedicated RC enthusiasts looking to upgrade their fleet with quality power cells.

Radient has built a strong reputation in the RC battery market by delivering dependable, affordable power solutions that work reliably across countless RC applications. This particular 3S configuration is widely compatible with popular ready-to-run RC models and custom builds throughout the UK market. The EC3 connector is a standard choice on many modern RC vehicles, meaning this battery will integrate seamlessly with your existing equipment. For anyone serious about their RC hobby, investing in quality LiPo batteries like this Radient pack is essential to getting the best performance and longevity from your vehicles.

At just 72mm in length and weighing only 130 grams, this battery proves that serious power doesn't require a massive package. The soft case construction provides basic protection during transport and storage, whilst remaining flexible enough to fit into tight battery bays found on many compact RC designs. If you're looking for a dependable, pocket-friendly 3S LiPo battery that delivers real performance, the Radient 1350mAh 30C pack is an investment that will serve you well.

Key Features

• 3S Cell Configuration (11.1V Nominal) — The three-cell design provides the perfect balance of voltage and runtime for a wide range of small to medium RC vehicles, delivering the 11.1 volts needed for responsive acceleration and consistent power throughout your run. This voltage specification is widely compatible with RC cars, boats, and other hobby models available across the UK market.
• 1350mAh Capacity — This capacity represents an ideal middle ground for compact RC models, providing meaningful runtime without excessive weight. For smaller vehicles and brief recreational sessions, 1350mAh offers sufficient energy for fun play sessions whilst maintaining a lightweight footprint that won't bog down your model.
• 30C Continuous Discharge Rating — The 30C rating means this battery can safely deliver up to 40.5 amps of continuous current (1350mAh × 30C), providing snappy throttle response and the power needed for aggressive driving. This discharge rate is substantial enough for competitive hobbyists and recreational bashers alike, ensuring you get real performance rather than sluggish acceleration.
• EC3 Connector — The EC3 connector is a widely adopted standard in the RC hobby, particularly for smaller vehicles and pack sizes. This connector ensures broad compatibility with aftermarket chargers, balance plugs, and RC vehicle receivers throughout the hobby, making it easy to integrate this battery into your existing setup.
• Compact Dimensions — Measuring just 72mm long, 36mm wide, and 24mm tall, this battery fits into tight spaces where full-size packs cannot. The small footprint is ideal for compact RC vehicles, lightweight models, and custom builds where space is at a premium, yet performance cannot be sacrificed.
• Soft Case Construction — The flexible soft case provides essential protection against physical damage during transport and storage, helping prevent punctures and short circuits. Unlike hard cases, the soft exterior remains flexible for fitting into awkward battery bays whilst still offering adequate cushioning and insulation.
• Age Recommendation 14+ — This battery is recommended for users aged 14 and above, reflecting the responsibility required for safe LiPo battery handling, charging, and storage. LiPo batteries demand respect and proper care, and this age recommendation ensures users are mature enough to follow essential safety protocols.
• Ready-to-Use LiPo Pack — Unlike empty cells or bulk components, this is a fully assembled, balance-charged LiPo pack ready to drop into your RC vehicle. There's no need for intermediate assembly or complex preparation; simply integrate it with your existing charger and balance charging equipment, and you're ready to drive.

Technical Performance

The Radient LiPo 3S 1350mAh battery represents solid engineering for hobbyists seeking reliable performance at an affordable price point. With an 11.1V nominal voltage delivered across three cells, this pack provides the electrical characteristics needed for responsive RC vehicle control and consistent power delivery throughout your run. The 30C continuous discharge capability translates to real-world performance that enthusiasts can feel, delivering the punch and responsiveness that make RC driving enjoyable. The battery's compact dimensions of 72mm × 36mm × 24mm make it exceptionally versatile, fitting into tight battery compartments found on many popular ready-to-run RC models available throughout the UK. Weighing just 130 grams, the battery contributes minimally to overall vehicle weight, preserving the speed and handling characteristics of your RC car, boat, or aircraft. The EC3 connector is a proven standard in the hobby, offering reliable electrical contact through thousands of connection cycles. The soft case construction provides essential protection during storage and transport, preventing accidental damage that could compromise cell integrity. This battery works with any standard LiPo charger equipped with EC3 connector compatibility and a balance charging port, making it compatible with the vast majority of RC chargers in active use across the UK hobby community. Whether you're running casual weekend sessions or more intensive driving schedules, this Radient pack delivers consistent cell performance, supporting the dependable operation your RC equipment deserves.

What's in the Box

• Radient 3S 1350mAh 11.1V 30C LiPo Battery with EC3 Connector
• Soft protective case

Frequently Asked Questions

• Is the Radient 3S 1350mAh 30C battery suitable for beginners? — Yes, this battery is an excellent choice for newcomers to the RC hobby. The 1350mAh capacity provides reasonable runtime for learning and recreational driving, whilst the 30C discharge rating is more than adequate for standard driving speeds. The compact size makes it easier to manage than larger packs, and at 14+ age recommendation, it encourages responsible battery handling from the start. Beginners should always pair this battery with a quality LiPo charger and follow safe storage practices, such as storing the pack in a fireproof container and avoiding over-discharge.
• What makes the 30C discharge rating important? — The 30C rating indicates how much current the battery can safely deliver continuously without damage. At 1350mAh capacity, this battery can provide 40.5 amps continuously (1350 × 30), which is sufficient for spirited driving on most small to medium RC vehicles. Higher discharge ratings like 30C enable faster acceleration and better throttle response compared to lower-rated batteries, making this rating particularly valuable for competitive or aggressive driving styles.
• Is this battery compatible with my RC vehicle? — Compatibility depends on two factors: connector type and voltage requirement. This battery features an EC3 connector, which is widely used across the RC hobby on smaller vehicles and many ready-to-run models. The 3S (11.1V) specification is standard for numerous RC cars, boats, and aircraft. Check your vehicle's documentation or connector to confirm EC3 compatibility and verify that your model is specified for 3S LiPo operation. Many vehicles support 2S, 3S, or 4S, so it's essential to verify your model accepts 3S packs.
• How long does this battery take to charge? — Charging time depends on your charger's output rating, typically ranging from 30 minutes to 2 hours. A 1A charger will take approximately 1-2 hours for a full charge, whilst higher-amperage chargers (2A or 3A) will charge the battery more quickly. Always use a dedicated LiPo charger with balance-charging capability to ensure all three cells charge evenly and safely. Never use standard NiMH or NiCd chargers, as these will damage LiPo cells.
• How should I store this battery safely? — LiPo batteries require proper storage to maximise lifespan and prevent hazards. Store the battery in a cool, dry place away from direct sunlight and extreme heat. For extended storage beyond a week, discharge the battery to approximately 3.8V per cell (11.4V total for a 3S pack) and store in a fireproof container or LiPo bag. Check the battery monthly during storage to ensure cells haven't self-discharged excessively. Never store fully charged or fully discharged batteries, as this stresses the cells and reduces overall lifespan.
• What is the difference between this Radient pack and other 3S batteries? — The Radient brand represents a balance of affordability and reliability, making it popular with recreational and budget-conscious hobbyists. The specific 30C rating, 1350mAh capacity, and EC3 connector combination targets smaller vehicles where space and weight matter. Higher-capacity packs (2200mAh or 5000mAh) offer longer runtime but at increased weight and size penalties. Higher discharge-rated batteries (50C or 100C) deliver maximum performance but often cost significantly more. This Radient pack represents a practical middle ground for most casual to moderate RC users.
• Can I use this battery in my RC boat? — Many RC boats operate perfectly on 3S LiPo batteries, making this Radient pack a viable choice for small to medium electric boats. However, always verify your boat's specifications first, as some designs specify 2S operation or require higher capacity packs for extended water-based sessions. The compact size of this 1350mAh battery makes it ideal for smaller boats with limited battery compartments. Ensure the EC3 connector matches your boat's receiver and ESC connections.
• What is the actual weight of this battery? — The Radient 3S 1350mAh battery weighs 130 grams (0.28 pounds) including the soft case. This lightweight specification is one of the battery's key advantages, as it minimises added weight to your RC vehicle, preserving handling characteristics and maximising speed. For comparison, larger capacity 3S batteries typically weigh 250-400 grams, making this compact option ideal for weight-conscious builds and smaller models.

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 1350mAh 11.1V 30C EC3 RDNB13503S30EC3 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.