GENSACE - Li-Po 3S 11.1V 5000mAh 45C with XT90 - O-G3S5000-45X9

Overview

The Gens Ace G-Tech 5000mAh 11.1V 45C LiPo battery with XT90 connector is a premium lithium polymer power pack designed for demanding RC applications including multi-rotor helicopters, racing drones, RC cars, planes and boats. This high-capacity soft case battery delivers consistent performance and extended flight or run times for serious hobbyists and competitive RC enthusiasts across the UK. Whether you're piloting a high-performance RC drone, pushing your RC car to its limits on the track, or enjoying weekend bashing sessions, this 3S LiPo battery provides the reliable power you need to maximise your RC experience.

Manufactured by Gens Ace, one of the world's leading battery corporations with over 20 years of cutting-edge battery technology and the expertise of 200 professional engineers and technicians, this battery represents the pinnacle of quality, optimisation and customer service. Gens Ace has built its reputation on developing advanced lithium polymer, NiMH and LiFe batteries tailored specifically for various scales of RC models including electronic cars, aeroplanes, vessels, toys and electric tools. The G-Tech series combines affordability with exceptional performance, making it an ideal choice for RC enthusiasts in the UK seeking a balance between cost and capability.

This particular configuration—5000mAh capacity at 11.1V (3S cell configuration) with a 45C continuous discharge rating—makes it perfectly suited for multi-rotor helicopters and other RC applications demanding sustained high power delivery. The XT90 connector is a robust, gold-plated option preferred by many serious RC pilots and drivers for its excellent conductivity and durability. With approximately 408 grams of weight and compact dimensions of 161 x 45 x 26mm (length x width x height), this battery fits comfortably in most battery trays and compartments whilst delivering impressive energy density.

Key Features

• 5000mAh High Capacity — This substantial capacity ensures extended runtime for your RC helicopter, drone or vehicle, allowing you to enjoy longer flights or run sessions between charges without compromising power delivery or performance.
• 3S Configuration (11.1V) — The three-cell lithium polymer design provides the ideal voltage for multi-rotor helicopters and many racing RC applications, offering excellent balance between voltage and current capacity across diverse RC models.
• 45C Continuous Discharge Rate — This discharge rating means the battery can safely deliver 225 amps of current continuously (45C × 5000mAh), providing the sustained power necessary for aggressive flying, racing or bashing without voltage sag or performance loss.
• XT90 Gold-Plated Connector — The XT90 is a premium connector featuring gold-plated contacts that ensure minimal resistance, superior electrical conductivity and longevity compared to standard connectors, reducing heat generation and maximising efficiency during operation.
• Soft Case Design — The flexible soft case construction keeps weight to a minimum whilst still protecting the cells from impact and crushing, making this battery ideal for weight-conscious applications like RC aircraft and multi-rotor platforms.
• Low Internal Resistance (Low IR) — Gens Ace's advanced cell technology delivers exceptionally low internal resistance, which means the battery maintains stable voltage output throughout your entire flight or run, ensuring consistent performance until the very end of your mission.
• Flexible Charge Rate Options — Recommended charging at 1-3C (5-15 amps), with maximum capability up to 5C (25 amps), provides flexibility for both careful overnight charging and rapid turnaround scenarios, adapting to your operational needs.
• Very High Energy Density — This battery is specifically adapted to each UAV type and RC car/boat/helicopter configuration, delivering exceptional energy density relative to weight, ensuring you get maximum flight time and performance from your RC model.
• ISO9001 and ISO14001 Certified Manufacturing — Gens Ace and its manufacturing partners maintain full compliance with international quality and environmental standards, guaranteeing consistent quality, safety and environmental responsibility in every battery produced.
• German Engineering and Local European Support — Orders are dispatched via UPS directly from Germany, with fast shipping and excellent local after-sales service guaranteed throughout Europe, including the UK, backed by comprehensive 1-year warranty coverage.

Technical Performance

The Gens Ace G-Tech 5000mAh 11.1V 45C LiPo battery represents cutting-edge lithium polymer engineering optimised for high-performance RC applications. At 408 grams weight with dimensions of 161 x 45 x 26mm, this battery delivers exceptional power-to-weight ratio essential for demanding RC helicopters and multi-rotor platforms where every gram counts. The 3S1P configuration (three cells in series, one parallel) provides 11.1V nominal voltage—the standard choice for many RC car, plane, boat and helicopter platforms operating at this voltage range. The 45C continuous discharge rating ensures this battery can sustain the high currents demanded by brushless motors, ESCs and flight controllers without experiencing dangerous voltage sag or thermal issues. Gens Ace's proprietary cell chemistry and manufacturing processes, developed by 200 professional engineers and technicians across two decades of research, ensure stable voltage delivery until the final amp-hour is consumed, meaning your RC model maintains consistent performance throughout your entire flight or run session. The soft case construction protects internal cells from physical damage whilst maintaining minimal weight, and the premium XT90 connector with gold-plated contacts virtually eliminates connection resistance that would otherwise waste power as heat. Whether you're operating in competitive racing environments where every millisecond matters, flying challenging multi-rotor manoeuvres, or simply enjoying aggressive weekend bashing, this battery's combination of capacity, discharge rate, and build quality makes it suitable for serious RC enthusiasts in the UK and across Europe seeking professional-grade performance at competitive pricing.

What's in the Box

• Gens Ace G-Tech 5000mAh 11.1V 45C 3S1P LiPo Battery
• XT90 Connector attached

What You Need to Complete

• LiPo-compatible balance charger capable of charging 3S batteries
• RC model compatible with 3S 11.1V LiPo batteries and XT90 connectors
• Battery storage bag (fire-resistant recommended for safety)
• LiPo battery voltage checker or monitor

Frequently Asked Questions

• What is the difference between a 45C and 60C LiPo battery for RC models? — The 'C' rating indicates the maximum safe continuous discharge rate. A 45C battery can discharge at 45 times its capacity (5000mAh × 45 = 225 amps), whilst a 60C can discharge at 60 times its capacity (5000mAh × 60 = 300 amps). The 45C Gens Ace battery is perfectly adequate for multi-rotor helicopters and most RC cars; you only need the higher 60C rating if your specific application demands maximum current delivery, such as high-performance racing or extreme flying manoeuvres. The 45C option offers excellent value and performance for the majority of RC enthusiasts in the UK.
• Is the Gens Ace 5000mAh 45C battery suitable for beginners? — This is an intermediate to advanced battery. Beginners should understand LiPo safety protocols: never charge unattended, use only LiPo-compatible balance chargers, store at storage voltage in a fire-resistant bag, and never exceed recommended charge rates. The 5000mAh capacity and 45C rating are perfectly safe when handled correctly, but beginners should invest time in learning proper LiPo battery care before using any lithium polymer battery, including this one.
• What charge time should I expect for this 5000mAh battery? — At the recommended 1-3C charge rate (5-15 amps), you're looking at approximately 20-60 minutes depending on your chosen charger and cell condition. At the maximum 5C rate (25 amps), the battery can fully charge in roughly 12 minutes, though manufacturers recommend the slower 1-3C rates for optimal battery lifespan. Always use a charger capable of balancing all three cells to ensure even wear and extend battery longevity.
• Why does the XT90 connector cost more than alternatives like XT60? — The XT90 connector features larger internal contacts and gold-plating, which means it can handle higher currents with minimal resistance compared to the smaller XT60. This translates to less heat generation, improved efficiency, and longer connector lifespan. For the high-current applications this battery is designed for—particularly multi-rotor helicopters with powerful brushless motors—the XT90 is the superior choice and justifies the cost through improved performance and reliability.
• How long will this battery last in terms of charge cycles? — Modern lithium polymer batteries like this Gens Ace typically maintain 80% capacity after 200-300 full charge cycles when properly maintained. Longevity depends heavily on storage practices (store at storage voltage around 3.85V per cell), avoiding full discharges, charging slowly, and maintaining cool temperatures. With proper care, you can expect 2-3 years of reliable service from this battery in regular use.
• Is this battery suitable for both RC helicopters and RC cars? — Yes. The 3S 11.1V configuration is widely used across RC helicopters, multi-rotor drones, RC cars, RC trucks, RC buggies, RC planes and RC boats. However, you must verify that your specific RC model is rated for 3S LiPo batteries and features an XT90 connector, or ensure you have an appropriate adapter. Always check your equipment's specifications before use.
• What makes Gens Ace batteries different from cheaper alternatives? — Gens Ace invests heavily in research and development with 200 professional engineers and two decades of battery technology expertise. This results in superior cell chemistry, lower internal resistance (providing stable voltage throughout discharge), tighter manufacturing tolerances, and comprehensive quality control. Cheaper batteries may deliver similar capacity but with higher internal resistance, voltage sag under load, and shorter lifespan. The slightly higher investment in a Gens Ace battery returns dividends through better performance and longevity.

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 3S 11.1V 5000mAh 45C with XT90 - O-G3S5000-45X9 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.