Radient 3S 1350mAh 11.1V 30C LiPo Battery Pack with Deans Connector RDNB13503S30H

Overview

The Radient LiPo 3S 1350mAh 11.1V 30C Deans (HCT) battery pack is a compact and reliable power solution designed for RC hobbyists across the UK who demand consistent performance in a small footprint. Whether you're flying RC aircraft, powering electric RC cars, or running other 3S-compatible models, this 1350mAh capacity battery strikes an excellent balance between runtime and portability. With its proven 30C continuous discharge rating, this battery delivers the steady power output that modern RC applications require, making it suitable for a wide range of enthusiasts from casual weekend bashers to more experienced RC operators who appreciate quality and reliability.

Identified by part number RDNB13503S30H, this Radient battery features the popular Deans (HCT) connector format, which is widely recognised and used across the RC hobby community. The soft case construction protects the cells during storage and transport, whilst the compact dimensions of just 68 x 36 x 20mm and lightweight 109g weight make this an ideal choice for RC applications where weight and space are considerations. For anyone seeking a dependable 3S LiPo battery for their RC car UK collection, RC aircraft fleet, or general RC hobby projects, the Radient 1350mAh 30C pack offers excellent value and proven performance credentials from a trusted manufacturer in the RC battery market.

This battery is particularly well-suited to pilots and drivers who already have compatible chargers and ESCs rated for 3S LiPo packs. The 11.1V nominal voltage output provides the aggressive throttle response and performance that modern brushless RC motors demand, whilst the 1350mAh capacity ensures extended runtime for most small to medium-sized RC platforms. The 30C discharge rating means you can safely draw up to 40.5 amps continuously from this pack, providing plenty of headroom for most hobbyist-level applications without risk of damaging the cells or triggering voltage sag during aggressive driving or flying.

Key Features

• 3S LiPo Chemistry (11.1V) — This battery utilises three lithium polymer cells connected in series to deliver the industry-standard 11.1V nominal voltage that modern RC brushless systems are designed around. Three-cell packs offer the perfect balance between performance and runtime for most RC hobby applications, providing significantly more punch than 2S alternatives whilst remaining lighter and more manageable than larger 4S or 6S setups commonly used in racing.
• 1350mAh Capacity — The 1350 milliamp-hour capacity provides practical runtimes for small to medium-sized RC vehicles and aircraft without adding excessive weight to your model. This capacity is ideal for 1/10 scale RC cars UK, micro RC helicopters, and similar platforms where weight matters. You'll enjoy roughly 15-20 minutes of continuous use depending on your throttle management and motor selection.
• 30C Continuous Discharge Rating — The 30C rating indicates this battery can safely deliver 30 times its capacity (40.5 amps maximum continuous draw) without cell damage or dangerous voltage sag. This rating makes the Radient pack suitable for brushless motors in the 2200-3100KV range running at moderate to high throttle, providing stable voltage delivery throughout your flight or drive session even under demanding conditions.
• Deans (HCT) Connector — The Deans connector format is one of the most widely recognised and standardised connectors in the RC hobby, particularly popular in ready to run RC systems and aftermarket builds. If your ESC or power distribution board features a Deans connector, this battery will connect directly without requiring any adapters or modifications, ensuring safe and reliable power delivery.
• Soft Case Protection — The integrated soft case protects the battery cells from physical damage, punctures, and environmental exposure during storage and transport. The case also helps manage heat dissipation and prevents the battery from shifting around in your equipment bag or vehicle transport box.
• Compact Dimensions — At just 68mm long, 36mm wide, and 20mm thick, this battery pack fits easily into the battery bays of most compact RC aircraft and small to medium-sized RC cars. The small footprint also makes it ideal for weight-sensitive applications where every gram counts towards performance and flight time.
• Lightweight Design — Weighing only 109 grams, this battery minimises the unsprung weight carried by your RC platform, improving acceleration, handling response, and overall efficiency. For RC aircraft especially, lower weight translates directly to longer flight times and more responsive control.
• Superior Cell Matching — Radient batteries are manufactured with careful attention to cell matching and quality control, ensuring all three cells maintain balanced voltage and discharge characteristics throughout their operational life. This consistency delivers reliable performance pack after pack and extends overall battery lifespan.

Technical Performance

The Radient LiPo 3S 1350mAh 11.1V 30C battery pack delivers stable, predictable performance across a wide range of RC hobby applications. With its 11.1V nominal output, this battery pairs exceptionally well with modern brushless RC motors rated for 3S operation, including the popular 2200-3100KV motor ranges commonly found in ready to run RC cars UK and aftermarket builds. The 30C discharge rating ensures you can safely operate this battery at moderate to high throttle settings without experiencing dangerous voltage sag or heat buildup in the cells themselves. At maximum continuous discharge (40.5 amps), the battery maintains stable voltage output, which is critical for ESC stability and motor performance consistency throughout your flight or drive session.

The engineering of this Radient battery demonstrates professional-grade standards in LiPo construction. Each of the three cells undergoes quality matching at the factory to ensure balanced voltage characteristics and symmetrical discharge curves. The soft case construction uses durable materials that protect against accidental puncture whilst remaining flexible enough to fit snugly into most battery compartments. Thermal management is excellent thanks to the low internal resistance characteristic of LiPo chemistry combined with Radient's proven manufacturing processes. Users can expect minimal voltage sag even during aggressive driving sessions, and the battery will charge to full capacity in approximately 30-40 minutes using a standard RC LiPo charger set to the 1.35A charging rate (1C charging). For maximum battery lifespan, storage voltage should be maintained at approximately 3.8V per cell (11.4V total pack voltage) when not in use for extended periods.

What's in the Box

• Radient LiPo 3S 1350mAh 11.1V 30C battery pack
• Soft protective case
• Deans (HCT) connector pre-installed and ready for use

What You Need to Complete

• RC LiPo charger capable of charging 3S LiPo batteries (balanced charger recommended for optimal cell health)
• RC ESC (Electronic Speed Controller) with 3S LiPo compatibility and Deans connector input
• Brushless or brushed motor rated for 3S LiPo operation
• Radio control system with servo and receiver compatible with your RC platform

Frequently Asked Questions

• What is a 3S LiPo battery and how does it differ from 2S or 4S alternatives? — A 3S LiPo battery consists of three lithium polymer cells connected in series, delivering 11.1V nominal voltage. This contrasts with 2S packs (7.4V) which offer less performance but lighter weight, and 4S packs (14.8V) which provide significantly more power but require stronger ESCs and motors. The 3S format represents the sweet spot for most hobbyist RC applications, offering excellent performance without requiring specialised high-voltage electronics or accepting excessive weight penalties.
• Is the Radient 3S 1350mAh 11.1V 30C battery suitable for beginners? — Yes, this battery is well-suited to beginners who already have compatible RC equipment. The 30C discharge rating is conservative enough to be safe in most applications, and the 1350mAh capacity provides practical runtimes without complication. However, beginners will need a compatible LiPo charger, ESC with Deans connector input, and a motor rated for 3S operation. If you're entirely new to RC, we recommend purchasing a ready to run RC system that includes all necessary components rather than building from individual parts.
• How long will this battery last between charges during use? — Runtime depends heavily on your specific RC application, motor selection, and throttle management. As a general guide, the 1350mAh capacity typically provides 15-25 minutes of continuous use in 1/10 scale RC cars at moderate to high throttle settings, or 20-30 minutes in lighter RC aircraft applications. Gentler flying or driving with lower average throttle settings will extend runtime significantly. Peak performance occurs when the battery voltage remains above 10V (under-3V per cell).
• What does the 30C discharge rating mean and why does it matter? — The 30C rating indicates this battery can safely deliver 30 times its capacity (1350mAh × 30 = 40,500mA or 40.5 amps) as continuous discharge without cell damage. Higher C ratings provide more headroom for peak current demands without excessive voltage sag. The 30C rating makes this battery suitable for moderate to aggressive driving or flying styles without risk of damaging the cells or overwhelming your ESC. If you consistently demand maximum throttle or use a very high-KV motor (above 3100KV), a higher C-rated battery might deliver smoother performance.
• Can I use this battery with any 3S RC system? — This battery works with any RC system featuring a compatible Deans connector and 3S LiPo rating. Most modern ready to run RC cars UK, RC aircraft, and aftermarket ESCs feature either Deans or XT60 connectors and are rated for 3S operation. Before purchasing, confirm your ESC and motor are both rated for 3S LiPo use. Do not attempt to use this battery with 2S-only systems, as the higher voltage may damage components not designed for 11.1V operation.
• How should I charge and store this Radient LiPo battery? — Always use a dedicated RC LiPo charger set to 3S mode and charge at 1C rate (1.35 amps) for safe, controlled charging. Balanced charging via the small balance connector is recommended to ensure all three cells charge evenly. Store the battery at rest voltage (approximately 3.8V per cell, or 11.4V total) in a cool, dry location. Never store fully charged or fully discharged, as this reduces battery lifespan. Discard any battery showing signs of swelling, damage to the case, or connector corrosion.
• What is the difference between the Radient 30C and other brands' 3S batteries in similar capacity ranges? — The Radient 1350mAh 30C competes directly with the Gens Ace 25C 1300mAh and similar offerings. The Radient features a slightly higher C rating (30C vs 25C), providing marginally better voltage stability under peak loads, and marginally higher capacity (1350mAh vs 1300mAh), extending runtime by approximately 4%. Premium brands like Tattu offer much higher C ratings (45-75C) but at significantly higher cost and typically in much smaller capacities suited to racing drones rather than general RC hobby use. The Radient represents excellent value and proven reliability for recreational RC hobbyists.

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 Deans (HCT) RDNB13503S30H 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.