GENSACE Li-Po Sport 4S 14.8V 5100mAh 80C with No Plug O-G4S5100-80

• Brand: Gens Ace
• Model Number: O-G4S5100-80
• Barcode: 6928493316900
• Battery Type: Lithium Polymer (LiPo)
• Configuration: 4S1P (4 cells in series, 1 cell in parallel)
• Nominal Voltage: 14.8V
• Capacity: 5100mAh
• Discharge Rating: 80C continuous
• Maximum Continuous Discharge Current: 408 amps (5.1Ah × 80C)
• Connector: None (no plug included)
• Case Type: Soft Case
• Length: 155mm
• Width: 43mm
• Height: 39mm
• Weight: 537g
• Suggested Primary Application: F5B motor gliders
• Compatibility: Any RC application requiring 4S 14.8V power
• Manufacturer: Gens Ace (20+ years battery technology expertise, 200 professional engineers and technicians)

Overview

The Gens Ace Li-Po Sport 4S 14.8V 5100mAh 80C with No Plug (O-G4S5100-80) is a premium lithium polymer battery pack engineered for RC enthusiasts who demand reliable, consistent power delivery in a compact and lightweight package. Whether you're piloting an F5B motor glider, a high-performance electric RC car, or another 4S LiPo-compatible application, this battery represents a significant investment in your RC hobby UK experience. With over 20 years of battery technology expertise and a team of 200 professional engineers and technicians behind it, Gens Ace has established itself as one of the top-ranking battery corporations globally, specialising in NIMH, LI-PO, and LI-FE battery systems for demanding RC applications.

Designed with the discerning RC model builder in mind, this 4S1P battery pack offers exceptional flexibility and performance characteristics that make it suitable for a wide range of electric RC vehicles and aircraft. The absence of a pre-installed connector gives you complete freedom to select and fit the plug system that best suits your specific RC setup, whether that's an XT60, XT90, EC3, or any other connector standard you prefer. This thoughtful design approach ensures compatibility with your existing RC equipment without requiring expensive adapters or modifications, making it an ideal choice for RC enthusiasts in the UK looking to upgrade their power systems.

The compact footprint and balanced weight distribution of this battery make it particularly valuable where space constraints and centre-of-gravity considerations are critical factors. RC car UK builders, electric glider pilots, and competitive racers all benefit from batteries that fit neatly into their designs without compromising performance or flight characteristics. This Gens Ace pack delivers on both fronts, combining high capacity with an 80C discharge rating that ensures you get the maximum power potential from every mAh of stored energy.

Key Features

• 4S1P Configuration (14.8V nominal) — This four-cell series arrangement provides 14.8 volts of nominal voltage, which is the standard power level for a huge range of modern electric RC vehicles and aircraft, offering broad compatibility with ready-to-run RC models and custom-built systems across the UK RC hobby community.
• 5100mAh Capacity — The 5100 milliamp-hour capacity ensures extended runtime during your RC sessions, allowing you to enjoy longer flight times with F5B motor gliders or extended driving periods with electric RC cars before requiring a recharge, maximising your time enjoying your hobby.
• 80C Continuous Discharge Rating — This impressive 80C rating means the battery can safely deliver 408 amps of continuous current (5.1Ah × 80C), providing the high power output necessary for high-performance applications, rapid acceleration, and demanding aerobatic manoeuvres without voltage sag or performance degradation.
• No Connector Included — Supplied without a pre-installed plug, this battery gives you complete control over your power system connectivity, allowing you to select the connector type that matches your existing RC equipment, eliminating compatibility issues and the need for costly adapter cables.
• Soft Case Construction — The flexible soft case provides protection against physical damage during storage and transport whilst remaining lightweight, contributing to the overall pack efficiency and making it easy to fit into confined spaces within your RC vehicle or aircraft.
• Compact Physical Dimensions — Measuring just 155mm in length, 43mm in width, and 39mm in height, this battery pack is engineered to fit into tight spaces without compromising your RC model's balance, weight distribution, or aerodynamic properties, making it ideal for space-conscious builds.
• Lightweight Construction — At 537 grams, this pack delivers substantial capacity without excessive weight, critical for RC aircraft where every gram affects flight performance, and important for ground-based RC vehicles where weight efficiency improves acceleration and handling characteristics.

Technical Performance

The Gens Ace Li-Po Sport 4S battery represents the culmination of professional battery engineering specifically optimised for demanding RC applications. The 80C discharge rating is particularly significant for high-performance use cases; this specification ensures the battery can handle sustained high-power draws without experiencing voltage sag, which would otherwise rob your RC vehicle or aircraft of performance and responsiveness. For an F5B motor glider—the suggested primary application for this pack—the 80C rating provides ample power reserve for climb-outs, sustained altitude gain, and dynamic flying manoeuvres whilst the 5100mAh capacity ensures you can enjoy extended flight sessions without frequent battery swaps. The engineering team at Gens Ace has optimised the internal cell configuration to balance energy density with safety, resulting in a pack that delivers consistent voltage throughout the discharge cycle. This stability is crucial for RC car UK applications where voltage regulation directly impacts motor performance, speed controller operation, and overall drivability. The soft case design protects the individual cells from mechanical stress during use and storage, extending the service life of your battery investment. The compact 155 × 43 × 39mm footprint has been carefully engineered to accommodate the physical constraints of modern RC airframes and vehicle chassis without requiring structural modifications, whilst the 537-gram weight represents an excellent balance between capacity and performance efficiency. Whether you're flying competitive F5B event gliders, operating high-performance electric RC buggies, or building custom RC designs, this battery's technical characteristics ensure reliable, consistent power delivery across a wide range of operating conditions.

What's in the Box

• One Gens Ace Li-Po Sport 4S 14.8V 5100mAh 80C battery pack
• Soft protective case

What You Need to Complete

• Appropriate battery connector (XT60, XT90, EC3, or your preferred connector type) to suit your RC equipment
• Compatible LiPo battery charger capable of charging 4S lithium polymer batteries
• RC vehicle or aircraft compatible with 4S 14.8V power systems

Frequently Asked Questions

• Is this Gens Ace battery suitable for F5B motor gliders? — Yes, the Gens Ace Li-Po Sport 4S 14.8V 5100mAh 80C is specifically recommended by the manufacturer for F5B motor glider applications. The 5100mAh capacity provides excellent flight time whilst the 80C discharge rating ensures sufficient power for dynamic flying manoeuvres, climb-outs, and sustained altitude gain that competitive and recreational F5B flying demands.
• What does the 80C discharge rating mean? — The 80C rating indicates that this 5100mAh battery can safely discharge at a maximum continuous current of 408 amps (5.1Ah × 80 = 408A). This high discharge capability ensures the battery can power high-performance RC applications without significant voltage sag, voltage sag being the reduction in voltage that occurs under heavy current draw and degrades vehicle or aircraft performance.
• Why is there no connector included on this battery? — The absence of a pre-installed connector provides flexibility for users to fit a plug that matches their existing RC equipment and charging systems. This approach eliminates the need for expensive adapter cables and ensures seamless integration with your current RC setup without compatibility issues or modifications to your vehicles and chargers.
• How long will this battery power my RC equipment? — Runtime depends on the power consumption of your specific RC application. For an F5B motor glider with modest power requirements, you can expect extended flight times of 15-30 minutes or more depending on flying style and motor efficiency. For higher-power RC car applications, runtime will be shorter, typically 10-20 minutes depending on driving intensity and motor power requirements, making the 5100mAh capacity suitable for most recreational and competitive sessions.
• Is this battery suitable for beginners? — This is a professional-grade lithium polymer battery requiring proper care, handling, and charging knowledge. Whilst not exclusively for beginners, users should understand LiPo safety requirements, proper charge and discharge procedures, and storage practices before operating this battery. If you're new to RC hobbies, we recommend consulting with experienced RC enthusiasts or our knowledgeable team at RC Model Shop before purchasing.
• What is the difference between this 80C pack and lower-rated alternatives? — The 80C discharge rating on this Gens Ace battery means it can deliver significantly higher continuous current than lower-rated packs (for comparison, a 50C pack of the same capacity would only be rated for 255 amps maximum continuous discharge). This higher capability means the battery maintains superior voltage stability under heavy load, delivers faster acceleration and better performance in demanding applications, and reduces stress on your battery management systems.
• What charger do I need for this 4S battery? — You'll need a LiPo-compatible battery charger capable of handling 4S (14.8V) lithium polymer packs. Many modern RC battery chargers offer 4S capability, but always verify your charger specifications before charging. Balance charging is recommended to maintain individual cell health and extend overall battery lifespan.
• How should I store this battery? — Store your Gens Ace LiPo battery in a cool, dry location away from direct sunlight and extreme temperatures. For long-term storage, maintain the battery at approximately 50% charge state (around 3.85V per cell). Never store fully charged or fully discharged, as this reduces cell lifespan and increases safety risks.

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 Li-Po Sport 4S 14.8V 5100mAh 80C with No Plug O-G4S5100-80 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.

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