GENSACE Li-Po G-Tech 4S 14.8V 2700mAh 30C with XT60 O-GT4S2700-30X6

• Capacity: 2700mAh
• Voltage: 14.8V nominal (4S)
• Cell Configuration: 4S1P (four cells in series, one parallel)
• Continuous Discharge Rating: 30C
• Burst Discharge Rating: 60C
• Maximum Continuous Discharge Current: 81 amps (30C × 2.7Ah)
• Maximum Burst Discharge Current: 162 amps (60C × 2.7Ah)
• Weight: 247g
• Length: 106mm
• Width: 34mm
• Height: 32mm
• Dimensions: 106 x 34 x 32mm
• Connector Type: XT60
• Case Type: Soft protective case
• Battery Chemistry: Lithium Polymer (Li-Po)
• Recommended Charge Rate: 1-3C
• Minimum Charge Time: approximately 20 minutes at 3C rate
• Typical Charge Time: approximately 60 minutes at 1C rate
• Internal Resistance: Low IR (low internal resistance for stable voltage)
• Manufacturing Standards: ISO9001, ISO14001 certified
• Warranty: 1 year manufacturer warranty
• Original Design Application: DJI Phantom 1
• Suggested Applications: FPV aircraft, RC helicopters, small RC aircraft, RC crawlers, quadcopters
• Colour: Black and yellow (G-Tech branding)

Overview

The Gens Ace G-Tech 4S 14.8V 2700mAh 30C LiPo battery with XT60 connector is a compact and reliable power solution designed for RC enthusiasts across the UK seeking extended flight times without compromising on weight or performance. Originally engineered and produced for the DJI Phantom 1, this 4S1P lithium polymer battery has been upgraded with enhanced capacity to deliver dependable power across a diverse range of RC applications. Whether you're piloting small RC aircraft, RC helicopters, RC crawlers, or other compact models, this battery pack offers the perfect balance between performance and practicality. The 2700mAh capacity provides significantly more energy than standard 2200mAh 3S packs whilst maintaining a similar compact footprint, making it an excellent choice for RC car UK enthusiasts and pilots looking to maximise flight or run time without adding excessive weight to their models.

With a continuous discharge rating of 30C and burst capability of 60C, this G-Tech battery delivers consistent and responsive power delivery that RC hobbyists depend on for smooth flight characteristics and reliable acceleration in their RC vehicles. The soft case design protects the battery cells whilst keeping overall weight to just 247 grams, ensuring minimal impact on your model's flight characteristics or handling. For RC enthusiasts across the United Kingdom seeking a proven, authorised Gens Ace battery pack backed by manufacturer expertise and quality assurance, this G-Tech 4S represents an intelligent investment in performance and longevity.

Key Features

• 2700mAh Capacity — This upgraded capacity delivers approximately 500mAh more power than typical 2200mAh alternatives, translating to noticeably extended flight times or runtime in your RC aircraft, helicopter, crawler or other model, allowing you to spend more time enjoying your hobby rather than waiting for recharges between flights or runs.
• 30C Continuous Discharge Rating with 60C Burst Capacity — The 30C continuous rating provides stable, sustained power delivery for consistent performance throughout your flight or run, whilst the 60C burst capacity allows for explosive throttle response and dynamic acceleration when you need maximum power, giving you the control flexibility demanded by serious RC hobbyists.
• 4S (14.8V) Configuration — The four-cell series arrangement delivers 14.8 volts nominal output, providing optimal voltage balance for many RC models originally designed for Phantom-class aircraft whilst remaining compatible with numerous other small to medium RC applications, offering versatility across your RC fleet.
• Lightweight 247g Weight — Engineered to deliver powerful output without excessive mass, the 247-gram weight keeps your RC model balanced and responsive, preventing the sluggish handling that heavier battery packs can introduce, crucial for aircraft where weight directly impacts flight duration and manoeuvrability.
• XT60 Connector — The widely-adopted XT60 connector standard ensures compatibility with thousands of RC chargers, ESCs, and aircraft available in the UK market, meaning you can integrate this battery into most modern RC setups without needing expensive adapter cables or proprietary connections.
• Compact Dimensions (106 x 34 x 32mm) — The space-efficient footprint fits into tight battery compartments found in small RC aircraft, helicopter fuselages, and compact crawlers, making this battery practical for models where larger packs simply won't fit, expanding your RC aircraft options considerably.
• Soft Case Protection — The flexible protective casing shields battery cells from impact and abrasion during transport and storage, extending battery lifespan and reducing the risk of internal damage that could compromise safety or performance, whilst remaining flexible enough to fit snugly in confined spaces.
• Low Internal Resistance (Low IR) Technology — Gens Ace's advanced manufacturing provides stable voltage output throughout your entire flight or run, meaning you maintain consistent throttle response and power right until the battery needs recharging, delivering predictable performance from first second to last rather than voltage sag compromising your final moments in the air.
• 1-3C Recommended Charge Rate — This flexible charging window accommodates both careful hobby-grade chargers and faster charging systems, giving you the option to charge quickly when time-constrained or slowly for optimal battery longevity, depending on your charging equipment and preferences.
• Gens Ace Quality Assurance — Every G-Tech battery is manufactured to ISO9001 and ISO14001 standards, meaning you receive a product engineered to strict international quality benchmarks with comprehensive 1-year warranty coverage, providing peace of mind that your investment is protected and properly supported.

Technical Performance

The Gens Ace G-Tech 4S 14.8V 2700mAh 30C battery represents a sophisticated lithium polymer power solution engineered specifically for RC applications demanding reliable, sustained performance. The engineering philosophy behind this battery prioritises energy density optimisation—delivering maximum usable power relative to the battery's physical size and weight, a critical factor for RC aircraft and helicopters where every gram impacts flight duration and handling characteristics. The 30C continuous discharge rating permits sustained power draws suitable for electric motors in small RC aircraft, FPV racing drones, and compact RC vehicles, whilst the 60C burst capacity accommodates peak power demands during aggressive manoeuvres or rapid acceleration bursts that typically last only seconds. The 14.8V nominal output (4S configuration) strikes an optimal balance between power and voltage levels appropriate for the motor systems commonly found in small-format RC aircraft and compact RC helicopters originally designed for batteries in this category. Built with Gens Ace's proprietary low internal resistance technology, this battery maintains stable voltage throughout discharge, preventing the voltage sag that degrades motor performance and throttle response as flight progresses. The soft case construction provides adequate mechanical protection during normal handling and storage whilst maintaining the flexibility required to fit into the compact battery bays found in modern FPV frames, racing drones, and specialist RC aircraft. At 247 grams, the weight is optimised to provide genuine performance without introducing the handling sluggishness that excessively heavy batteries create. The XT60 connector, widely recognised as an industry standard, ensures straightforward integration with the vast majority of modern RC chargers and electronic speed controllers available to UK RC enthusiasts, eliminating the need for expensive adapter cables or specialised proprietary charging systems.

Specifications

• Capacity: 2700mAh
• Voltage: 14.8V nominal (4S1P configuration)
• Continuous Discharge Rating: 30C
• Burst Discharge Rating: 60C
• Weight: 247g
• Length: 106mm
• Width: 34mm
• Height: 32mm
• Connector Type: XT60
• Case Type: Soft case
• Recommended Charge Rate: 1-3C
• Cell Configuration: 4S1P (four cells in series, one parallel)
• Battery Chemistry: Lithium Polymer (Li-Po)
• Manufacturing Standards: ISO9001, ISO14001
• Warranty: 1 year manufacturer warranty
• Original Design Application: DJI Phantom 1

Suggested Applications

The Gens Ace G-Tech 4S 2700mAh battery suits numerous RC applications where compact size, lightweight performance, and reliable power delivery are essential. Originally engineered for the DJI Phantom 1 aerial platform, it remains compatible with similar sized RC aircraft and FPV planes requiring 4S power without excessive battery weight. Small RC helicopters—both electric collective pitch helicopters and fixed-pitch park fliers—benefit from this battery's energy density and compact footprint, allowing longer flight durations from smaller airframes. RC crawlers and compact off-road vehicles designed around 4S power systems gain extended runtime from the 2700mAh capacity, whilst the lightweight construction maintains proper weight distribution across the chassis. FPV racing frames and small quadcopters can utilise this battery where size and weight constraints limit options to compact packs. The 500mAh capacity advantage over standard 2200mAh equivalents translates to tangible runtime improvements across all these applications.

What's in the Box

• Gens Ace G-Tech 4S 14.8V 2700mAh 30C LiPo battery pack with XT60 connector
• Soft protective case

What You Need to Complete

• Compatible RC charger capable of charging 4S LiPo batteries via XT60 connector (such as iMax B6, Hitec X4, Spektrum S120, or equivalent)
• RC model designed for 4S 14.8V power (such as DJI Phantom 1, small RC aircraft, RC helicopter, or RC crawler)
• Optional: XT60 connector extensions or adapters if your charger uses different connector standards
• Optional: Additional batteries for extended flying or running sessions without charging delays

Frequently Asked Questions

• Is the Gens Ace G-Tech 4S 2700mAh battery suitable for beginners in RC hobbies? — Yes, absolutely. This battery pack is straightforward to use with any standard 4S-compatible charger, requires no specialist knowledge to operate safely, and the XT60 connector is industry standard across most modern RC equipment. Beginners will find this battery reliable and simple to integrate into their first RC aircraft or helicopter. The 1-3C charge rate flexibility also accommodates both careful, slow charging for battery longevity and faster charging when time is limited, making it forgiving for less experienced users.
• What is the difference between this 2700mAh 4S battery and a 2200mAh 3S battery for RC aircraft? — The key differences are significant. Whilst physically similar in size, this 4S pack delivers 14.8 volts compared to the 3S pack's 11.1 volts, providing approximately 33% more voltage which translates to substantially higher available power and faster acceleration. The 2700mAh capacity is 500mAh larger than typical 2200mAh alternatives, extending flight time further. However, the higher voltage means you must ensure your RC model (motor, ESC, and other electronics) is specifically designed for 4S operation, as using a 4S battery in a 3S aircraft will damage components. The manufacturer explicitly confirms this 4S battery was originally designed for 4S aircraft like the DJI Phantom 1.
• How long does it take to charge the Gens Ace G-Tech 4S 2700mAh battery? — Charge time depends on your charger's capabilities and the charge rate you select. The manufacturer recommends 1-3C charging rates. At 1C, the battery would charge at 2.7 amps, taking approximately one hour to full charge. At 3C (the fast end), charging at 8.1 amps would achieve approximately 20 minutes charge time, though faster charging generates more heat and may reduce battery lifespan compared to slower charging rates. Most standard hobby chargers are capable across this range, allowing you to balance convenience against battery longevity based on your circumstances.
• What does the 30C discharge rating mean in practical terms? — The 30C rating indicates the battery can safely discharge at 30 times its capacity (2700mAh) continuously without damage. This translates to 81 amps maximum continuous current, more than sufficient for small RC aircraft electric motors, FPV racing frames, and compact RC helicopters. The 60C burst rating allows double this current for short periods during aggressive acceleration or sudden throttle inputs. These ratings ensure your battery won't overheat or be damaged during normal RC flying or running, providing a safety margin for enthusiastic pilots whilst maintaining consistent voltage output.
• Is this battery waterproof or weather resistant for outdoor RC use? — The soft case provides mechanical protection against impacts and abrasion but is not waterproof. You should protect this battery from direct water contact, rain, or wet conditions. If you fly RC aircraft or operate RC vehicles near water, store the battery in a protective bag and avoid splashing. The battery itself contains no waterproofing, so exposure to moisture could damage internal cells or create safety hazards. Always dry the battery completely if exposed to damp conditions before charging or using.
• What chargers are compatible with the XT60 connector on this battery? — The XT60 connector is an industry standard across hundreds of modern RC chargers. Compatible models include Hitec X4, iMax B6, Spektrum S120, SKYRC B6, Turnigy Accucel, and numerous others widely available in the UK. When purchasing a charger, simply confirm it supports 4S LiPo batteries and includes an XT60 connector input, or verify that your existing charger has XT60 compatibility. Almost all hobby-grade battery chargers manufactured in the last decade support XT60 connections, making finding compatible charging equipment straightforward.
• Can I use this battery in multiple different RC models? — Yes, if those models are all specifically designed for 4S 14.8V LiPo batteries. You can swap this battery between different compatible aircraft, helicopters, or vehicles, making it a versatile power solution for a mixed RC fleet. However, always verify that each model's motor, ESC, and other electronic components are rated for 4S operation before using this battery. Using a 4S battery in a 3S-rated model will cause permanent component damage. The battery's compact 106 x 34 x 32mm dimensions suit most small aircraft and helicopter battery bays, though you should confirm physical fit before relying on a particular model.
• How should I store this battery safely when not in use? — Store this LiPo battery in a cool, dry location away from direct sunlight, extreme temperatures, or moisture. Ideally, maintain the battery at approximately 50% charge during storage (around 3.6-3.8V per cell) rather than fully charged or fully discharged, as this minimises stress on the cells. Use the soft case provided and consider storing multiple batteries in a dedicated LiPo storage bag to contain any potential cell rupture. Never store the battery in a hot car, uninsulated garage, or humid environment. Proper storage directly extends the usable lifespan of your battery and maintains optimal performance for your next RC flight or run.
• What makes Gens Ace batteries different from other LiPo manufacturers? — Gens Ace is recognised as a specialist in high-power lithium polymer batteries with proprietary low internal resistance technology that maintains stable voltage throughout discharge. The company emphasises energy density optimisation, adapting battery designs to specific RC types (aircraft, helicopters, quadcopters, crawlers) rather than offering generic solutions. Gens Ace batteries are manufactured to ISO9001 and ISO14001 international quality standards, backed by 1-year warranty coverage. The manufacturer explicitly states their highest-power batteries deliver up to 100C discharge capability, positioning them at the performance frontier of LiPo battery technology, with technology allowing simultaneous stable discharge across multiple packs—features not universally standard across all battery manufacturers.

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 G-Tech 4S 14.8V 2700mAh 30C with XT60 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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