Gens Ace Li-Po Sport 3S 11.1V 550mAh 80C RC Aircraft Battery O-G3S0550-80

• Brand: Gens Ace
• Model Number: O-G3S0550-80
• Battery Type: Lithium Polymer (LiPo)
• Configuration: 3S1P
• Nominal Voltage: 11.1V
• Capacity: 550mAh
• Discharge Rating: 80C
• Weight: 47g
• Height: 22mm
• Width: 18mm
• Case Type: Soft Case
• Connector: No plug supplied
• Barcode: 6928493316771
• Suggested Compatibility: F5J gliders
• Maximum Discharge Current: 44A (550mAh × 80C)

Overview

The GENSACE Li-Po Sport 3S 11.1V 550mAh 80C with No Plug (part O-G3S0550-80) is a compact and lightweight lithium polymer battery pack designed specifically for efficient power delivery in small-scale RC airframes. This 3S1P LiPo battery represents the culmination of Gens Ace's extensive heritage in battery technology and research and development, backed by more than 20 years of experience and a team of 200 professional engineers and technicians. Whether you're flying F5J gliders or other lightweight RC aircraft that demand reliable performance in a streamlined package, this battery delivers the punch you need without unnecessary weight. Supplied without a connector, this battery is ready to be configured to your preferred setup, giving you complete flexibility in how you integrate it into your RC model.

Gens Ace stands as one of the top-ranking battery corporations globally, with deep research and manufacturing expertise across NIMH, LI-PO, and LI-FE battery technologies. The Li-Po Sport 3S 11.1V 550mAh 80C represents their commitment to providing serious RC enthusiasts and competitive pilots with batteries that combine reliability, performance and intelligent design. If you're serious about RC flying in the UK and want a battery from a recognised manufacturer with genuine engineering credentials, this is a product that delivers on every front.

At just 47 grams, this battery offers an exceptional power-to-weight ratio that makes it ideal for RC models where every gram counts. The compact dimensions of just 22mm in height and 18mm in width mean it will fit into tight spaces within your RC airframe, whilst maintaining the performance characteristics serious pilots demand. RC enthusiasts across the UK looking for reliable 3S LiPo batteries for their aircraft will appreciate the attention to detail and proven quality that Gens Ace brings to this product.

Key Features

• 550mAh Capacity — This capacity represents the sweet spot for lightweight aircraft, providing sufficient energy storage for extended flight times whilst keeping the overall weight minimal, which directly translates to improved flight performance and manoeuvrability.
• 80C Discharge Rating — The 80C rating means this battery can safely deliver very high discharge currents relative to its capacity, providing the strong, responsive power delivery that competitive RC pilots require for demanding flight manoeuvres and aggressive flying styles.
• 3S Voltage Configuration — Operating at 11.1V nominal (3S means three cells in series), this voltage is optimal for a wide range of lightweight RC electric motors and speed controllers designed for small aircraft and F5J gliders, making it a versatile choice for many RC flying setups.
• Ultra-Lightweight Design at 47g — Every gram of weight saved in the battery translates directly to better flight performance, longer flight times, and more responsive handling characteristics, which is why the 47g weight of this pack is such a significant advantage for RC aircraft.
• No Connector Supplied — This design choice gives you complete freedom to solder your preferred connector type directly onto the battery, ensuring optimal compatibility with your existing RC equipment and allowing you to build a setup tailored precisely to your needs.
• Soft Case Construction — The soft case protects the battery during storage and transport whilst remaining flexible and lightweight, avoiding the weight penalty of hard plastic cases that would be counterproductive in aircraft applications.
• Proven Gens Ace Quality — Built by a manufacturer with 20 years of dedicated battery engineering experience and a team of 200 professional technicians, this battery carries the confidence that comes from established expertise in the RC battery market.

Technical Performance

The GENSACE Li-Po Sport 3S represents a carefully engineered battery designed with the specific requirements of lightweight RC aircraft in mind. The 550mAh capacity paired with the impressive 80C discharge rating creates a battery that can deliver peak currents of up to 44 amps (550mAh × 80C = 44A), providing exceptional power delivery for responsive flight control and dynamic flying. The 3S configuration (three lithium polymer cells in series) creates the 11.1V nominal voltage that has become the standard for lightweight RC electric aircraft, ensuring broad compatibility with motors and electronic speed controllers already in use by RC pilots across the UK. The compact physical dimensions of 22mm height and 18mm width, combined with the 47-gram weight, demonstrate Gens Ace's mastery of cell selection and pack architecture—every millimetre and every gram has been optimised for practical use in constrained aircraft fuselages. The soft case construction provides adequate protection for the delicate lithium polymer cells without adding the weight of a rigid enclosure, striking the right balance between durability and performance. Built using the same manufacturing standards and quality control processes that have made Gens Ace a recognised name among serious RC pilots globally, this battery undergoes rigorous testing to ensure consistent performance and reliable operation across its service life. The engineering heritage evident in this product reflects Gens Ace's position as a battery specialist with deep research and manufacturing capabilities across multiple chemistries and form factors.

What's in the Box

• 1× GENSACE Li-Po Sport 3S 11.1V 550mAh 80C Battery Pack
• Soft protective case for storage and transport

What You Need to Complete

• Appropriate XT60, JST, or connector of your choice to solder onto the battery terminals (battery supplied without plug)
• LiPo-compatible charger capable of charging 3S batteries
• RC aircraft with compatible 3S LiPo battery mounting point and electronic speed controller

Frequently Asked Questions

• Is the GENSACE 550mAh 80C 3S LiPo suitable for F5J gliders? — Yes, this battery is specifically suggested for F5J gliders, which are lightweight competition-class sailplanes that benefit greatly from the minimal weight and reliable power delivery this pack provides. The 550mAh capacity is optimised for these aircraft.
• What does the 80C discharge rating mean, and why does it matter? — The 80C rating indicates the maximum safe continuous discharge current relative to the battery's capacity. For this 550mAh battery, an 80C rating means it can safely deliver 44 amps of current (550mAh × 80), providing the powerful, responsive power delivery required for dynamic RC flying without thermal stress on the cells.
• Why does this battery come without a connector plug? — Supplying the battery without a pre-installed connector gives you complete flexibility to solder your preferred connector type directly, ensuring perfect compatibility with your existing RC equipment and allowing you to build a setup exactly as you need it without being locked into a specific connector standard.
• How does the 47-gram weight advantage affect RC flying performance? — In RC aircraft, weight is directly related to performance. A lighter battery means lower overall aircraft weight, which translates to better climb rate, longer flight time, more responsive handling, and the ability to use smaller, more efficient motors—all significant advantages in competitive flying and freestyle manoeuvres.
• Is this battery suitable for beginners in RC flying? — This battery is best suited to intermediate and advanced RC pilots who are familiar with lithium polymer battery handling, charging procedures, and safety protocols. The lack of a pre-installed connector means you'll need soldering skills to prepare it for use, so beginners should ensure they have the necessary knowledge and equipment before purchasing.
• What is the voltage of this 3S battery, and why is 11.1V important? — This is a 3S battery, meaning it contains three lithium polymer cells connected in series, producing a nominal voltage of 11.1V. This voltage is the standard for lightweight RC electric aircraft and provides optimal performance with motors and speed controllers designed for this voltage class.
• What charger do I need for this 3S LiPo battery? — You'll need a charger specifically designed for lithium polymer batteries with the capability to charge 3S packs. Many modern LiPo chargers on the market support 3S charging, but always verify your charger is compatible with 3-cell lithium polymer batteries before attempting to charge this pack.

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 3S 11.1V 550mAh 80C with No Plug O-G3S0550-80 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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