Gens Ace G-Tech LiPo Battery 4S 14.8V 900mAh 80C XT60 O-G4S0900-80X6

• Brand: Gens Ace
• Model Number: O-G4S0900-80X6
• Battery Type: Lithium Polymer (LiPo)
• Configuration: 4S1P
• Nominal Voltage: 14.8V
• Maximum Voltage: 16.8V (fully charged)
• Capacity: 900mAh
• Max Continuous Discharge Rate: 80C
• Maximum Discharge Current: 72A
• Connector Type: XT60
• Case Type: Soft Case
• Length: 97mm
• Width: 27mm
• Height: 21mm
• Weight: 112g
• Barcode: 6928493310915
• Suggested Applications: F5J gliders, Performance motorgliders
• Chemistry: LiPo (Lithium Polymer)

Overview

The Gens Ace G-Tech Li-Po 4S 14.8V 900mAh 80C battery with XT60 connector is a high-quality lithium polymer pack engineered for demanding RC applications where responsiveness and consistent power delivery are essential. Manufactured by Gens Ace, a recognised leader in RC battery technology, this 4S1P configuration delivers reliable energy to precision aircraft and performance gliders. Whether you're flying F5J competition gliders or high-performance motorgliders, this battery provides the sustained power output needed for competitive flight times and reliable performance across your entire mission profile.

This compact powerhouse is specifically designed for weight and space-conscious models, making it ideal for RC enthusiasts in the UK who demand professional-grade performance without the bulk of heavier battery alternatives. The 900mAh capacity strikes an excellent balance between runtime and overall weight penalty, allowing pilots to maintain optimal weight-to-power ratios essential for soaring and motorised flight applications. If you're serious about RC glider racing or competitive performance flying, the Gens Ace G-Tech battery offers the reliability and consistency that separates champions from casual flyers.

RC Model Shop stocks genuine Gens Ace batteries for discerning UK RC pilots who refuse to compromise on quality. This particular model has proven itself in the hands of serious glider competitors and performance motorglider enthusiasts across the country, delivering the kind of stable, predictable power output that builds confidence in high-stakes flight scenarios.

Key Features

• 80C Maximum Continuous Discharge Rating — This means the battery can safely deliver up to 80 times its 900mAh capacity in current output, enabling aggressive throttle management and responsive power delivery when you need it most. For RC gliders and motorgliders, this high discharge rate ensures you have reserve power available for critical moments in flight, whether climbing to altitude or executing emergency manoeuvres.
• 4S LiPo Configuration (14.8V Nominal) — The four-cell setup provides optimal voltage for modern RC aircraft controllers and speed controllers, delivering the balance between power density and operational voltage range that high-performance gliders require. This voltage standard has become the industry benchmark for competitive soaring and performance motorglider applications across Europe and the UK.
• Compact Dimensions and Lightweight Design — At just 112 grams and measuring 97 x 27 x 21mm, this battery minimises weight penalty whilst maximising energy storage, a critical consideration in any gravity-dependent RC aircraft. Every gram matters in F5J and motorglider competition, making this form factor ideal for maintaining optimal ballast distribution and flight characteristics.
• XT60 Connector — The industry-standard XT60 connector ensures reliable power delivery with minimal resistance, compatible with the vast majority of modern RC aircraft ESCs and battery management systems. This connector type is recognised as the gold standard for safe, secure power connections in RC aviation, providing both mechanical reliability and electrical performance.
• Soft Case Design — The flexible protective case safeguards the cells during transport and storage whilst maintaining the slim profile necessary for installation in compact aircraft fuselages and battery bays. This protective construction extends battery lifespan by preventing physical damage that could compromise cell integrity.
• Genuine Gens Ace Manufacturing Quality — Built to strict quality standards by Gens Ace's professional manufacturing process, each battery undergoes rigorous testing to ensure consistent performance and reliability. You're not purchasing a generic LiPo; you're investing in a battery engineered specifically for demanding RC applications.

Technical Performance

The Gens Ace G-Tech 4S battery represents current-generation lithium polymer technology optimised for weight-critical RC aircraft applications. The 14.8V nominal output (4.2V per cell at full charge) provides the ideal operating voltage window for modern brushless ESCs and motor controllers found in contemporary F5J gliders and performance motorgliders. The 900mAh capacity delivers sufficient energy for typical competition flight sessions whilst maintaining the minimal weight envelope essential for competitive performance. The 80C discharge rating indicates this battery can sustain high current draws without voltage sag or thermal issues, critical when climbing to altitude or executing powered manoeuvres. Construction utilises proven LiPo cell technology with integrated protection circuits to prevent over-discharge, over-charge, and thermal runaway scenarios. The XT60 connector minimises voltage drop across the power delivery chain, ensuring maximum available energy reaches your motor and controller. At 112 grams, the weight-to-capacity ratio makes this battery particularly suitable for aircraft where every fraction of a gram influences flight performance and aerodynamic characteristics.

What's in the Box

• Gens Ace G-Tech Li-Po 4S 14.8V 900mAh 80C battery pack
• XT60 connector (pre-installed)
• Soft protective carrying case

Frequently Asked Questions

• Is this LiPo battery suitable for F5J competition gliders and motorgliders? — Yes, this battery is specifically engineered for F5J and performance motorglider applications. The 4S 14.8V configuration is the standard voltage for modern competition glider ESCs and brushless motors, whilst the 900mAh capacity provides realistic flight times without excessive weight penalty. Many UK-based glider competitors successfully use Gens Ace batteries in high-level competition.
• What does the 80C discharge rating mean and why does it matter? — The 80C rating indicates this battery can safely deliver 72 amps of continuous current (900mAh × 80C = 72,000mA or 72A). For RC gliders, this means the battery can handle aggressive throttle inputs and sustained climbs without voltage sag, ensuring your motor receives consistent power throughout the flight envelope. Higher C ratings generally indicate better build quality and lower internal resistance.
• Will this battery fit in my RC glider? — The compact 97 x 27 x 21mm dimensions make this battery suitable for most modern F5J and performance motorglider designs. However, always verify your aircraft's battery bay dimensions against these specifications before ordering. The 112-gram weight is typical for 4S 900mAh packs and represents the optimal balance for competitive glider performance.
• How long will this battery last per charge? — Runtime depends on your motor size, throttle management, and flying style. Typical F5J competition flights see 10-20 minutes of powered flight time before requiring thermal assist or soaring. Always follow Gens Ace charging guidelines and cease flight operations when battery voltage reaches the recommended cut-off threshold.
• Is the XT60 connector compatible with my RC equipment? — The XT60 is the industry-standard connector for RC aircraft in this power class and is compatible with virtually all modern glider ESCs and chargers. If your aircraft uses a different connector type, you'll need an appropriate adapter cable, though we recommend matching your entire system to XT60 for consistency and safety.
• What's the difference between this 4S 900mAh and other LiPo batteries available? — Gens Ace is recognised as a premium manufacturer with strict quality control standards. This particular model combines proven cell chemistry with the compact form factor essential for competitive gliders, all at a competitive UK price point. Compared to budget alternatives, you're getting proven reliability and consistent performance from a manufacturer trusted by RC professionals.
• How should I charge this LiPo battery? — Use a dedicated LiPo charger capable of handling 4S batteries, such as a multi-chemistry balance charger. Charge at the manufacturer's recommended rate (typically 0.5C to 1C for optimal lifespan, which would be 450-900mA for this pack). Always balance charge the cells and avoid over-charging beyond 4.2V per cell. Store the battery in a fireproof LiPo bag when not in use.
• Is this battery good for beginners? — Whilst this is a high-quality professional-grade battery, LiPo handling requires proper knowledge and respect for safety protocols. Beginners should ensure they understand LiPo charging, storage, and operational safety before using any lithium polymer battery. We strongly recommend consulting the full manual and following all manufacturer guidelines.

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 4S 14.8V 900mAh 80C with XT60 O-G4S0900-80X6 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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