Pro-Range INR 21700 P42A 11.1V 4200mAh 3S1P 40A/50A Discharge Li-ion Drone Battery Pack (Triangle)

Description

P42A 11.1V 4200mAh Li-ion Drone Battery — Engineered for Power, Precision & Endurance

The P42A 11.1V 4200mAh Li-ion Drone Battery from NDBC BY LOFTY AGROTECH represents the next generation of professional UAV power technology. Developed with premium Molicel P42A 21700 cells sourced from Taiwan, this advanced battery is purpose-built for reliability, long endurance, and consistent energy output in professional drone applications. Whether you are piloting an FPV racing craft, mapping vast farmland, or conducting high-altitude aerial photography, the P42A 11.1V 4200mAh Li-ion Drone Battery ensures every second of flight remains stable and safe.

Unlike generic hobby-grade packs, LOFTY AGROTECH’s Pro-Range Series employs precision-matched cell impedance to guarantee current uniformity across all cells. This allows your UAV to draw power smoothly even during aggressive climbs, heavy payload lifts, or long hover operations. The battery’s 3S1P configuration provides a nominal voltage of 11.1 V and a robust discharge rating of 40 A continuous / 50 A burst, empowering drones to perform under demanding load conditions without voltage drop or thermal stress.

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Superior Engineering and Construction

At the heart of the P42A 11.1V 4200mAh Li-ion Drone Battery is LOFTY AGROTECH’s unwavering commitment to craftsmanship. Every pack is hand-assembled using impedance-matched Molicel cells to achieve consistent resistance and deliver peak current with exceptional efficiency. The triangular form factor has been carefully chosen to enhance the aerodynamic balance of your UAV. This structural geometry improves weight distribution, reduces vibration effects on sensitive flight controllers, and aids in better airflow management within the drone’s chassis.

This design evolution results in a compact yet powerful power system that minimizes heat accumulation while maintaining a high discharge rate. Whether installed on a multirotor drone, VTOL craft, or fixed-wing UAV, the P42A 11.1V 4200mAh Li-ion Drone Battery contributes to improved stability, lower inertia moments, and overall smoother aerial maneuverability.

The outer casing is built using heat-resistant polymer wrap and vibration-absorbing insulation, ensuring the pack remains safe and stable in a variety of environments. Each terminal is soldered using high-conductivity lead-free alloy for optimal current transfer with minimal loss.

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Performance and Reliability

The P42A 11.1V 4200mAh Li-ion Drone Battery has been rigorously tested under continuous flight conditions to deliver both endurance and consistency. With a discharge capability of up to 40 A continuous and 50 A peak, it can power propulsion systems that demand sudden surges of energy—without voltage sag or overheating. The high Wh/kg ratio enables longer flight times compared with Li-Po batteries of similar capacity.

This high-density Li-ion chemistry not only extends airtime but also increases operational safety. Unlike Li-Po batteries that tend to swell or puff after repeated use, the P42A 11.1V 4200mAh Li-ion Drone Battery maintains its shape and performance profile over hundreds of cycles. Each unit passes LOFTY AGROTECH’s multi-stage QC program—covering cell balance verification, load testing, and temperature response—to guarantee uniform output across every pack.

In industrial drone operations such as mapping, inspection, and logistics, reliability is crucial. With this battery, flight planners can depend on predictable discharge curves, allowing accurate mission timing and minimal downtime between charges.

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Failsafe and Voltage Recommendations

Proper voltage management is critical for the long-term health of any Li-ion system. For the P42A 11.1V 4200mAh Li-ion Drone Battery, LOFTY AGROTECH recommends setting failsafe parameters to ensure both safety and longevity.

• Failsafe Trigger Voltage: ≈ 9.6 V (around 20 % reserve capacity)

• Minimum Flight Voltage: ≈ 8.7 V

When your flight controller is configured to trigger a return-to-home or landing procedure at 9.6 V, it preserves enough reserve charge for a secure descent without straining the cells. Operating below 8.7 V may lead to permanent damage or reduced cycle life. Landing with 20–30 % charge remaining is ideal for balancing performance and durability.

Deep discharges can alter the internal chemistry of Li-ion cells, increasing internal resistance and reducing overall output. Following these recommended voltage parameters helps you get the best out of your P42A 11.1V 4200mAh Li-ion Drone Battery for years of reliable service.

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Pro-Range Custom Battery Pack Service

Every drone platform has its own power and design constraints. To accommodate these needs, LOFTY AGROTECH provides a fully customizable battery solution through its Pro-Range Custom Battery Pack Program.

Users can select parameters like cell brand, configuration (series/parallel), connector type, wire gauge, shape, and even enclosure material. This ensures the final battery fits perfectly within your drone’s power bay or payload design.

To design your own custom battery pack based on the P42A 11.1V 4200mAh Li-ion Drone Battery, 👉 Click Here to start your custom order with LOFTY AGROTECH’s engineering team.

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Why Choose the P42A 11.1V 4200mAh Li-ion Drone Battery

Choosing this pack means investing in a product built for serious professionals. Key advantages include:

• High energy-to-weight ratio ensuring longer flight endurance.

• Consistent voltage output throughout the discharge cycle.

• Superior cold-weather resilience, performing efficiently below −20 °C.

• Compact triangular form factor improving aerodynamic balance.

• No puffing or gas formation, ensuring long-term dimensional stability.

• Extended cycle life versus conventional Li-Po batteries.

• Validated for professional UAV operations through LOFTY AGROTECH’s testing protocol.

These attributes make the P42A 11.1V 4200mAh Li-ion Drone Battery an exceptional choice for FPV racers, aerial cinematographers, agricultural pilots, and industrial drone operators alike.

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Thermal and Environmental Endurance

The P42A 11.1V 4200mAh Li-ion Drone Battery by LOFTY AGROTECH is meticulously designed to endure and perform flawlessly across the harshest environmental conditions. Whether operating in freezing cold at dawn or soaring under the blazing heat of a summer afternoon, this battery maintains a steady output, proving its reliability in all climates and altitudes.

The thermal and environmental endurance of the P42A 11.1V 4200mAh Li-ion Drone Battery is a result of its advanced electrolyte composition and robust internal cell structure. These premium-grade components prevent gas formation, swelling, or puffing—common issues that plague traditional Li-Po packs under thermal stress. By minimizing internal resistance fluctuations, the battery ensures consistent voltage delivery and efficient energy conversion throughout its operational life, even after extensive charge and discharge cycles.

During prolonged high-current operations, such as in FPV racing, industrial surveying, or agricultural mapping, the P42A 11.1V 4200mAh Li-ion Drone Battery demonstrates an exceptional ability to manage internal temperatures. Its efficient heat dissipation mechanism prevents overheating while maintaining voltage stability under continuous load. This is particularly critical for drones flying long missions where consistent performance is essential for safety and precision.

Field-tested across a wide range of environmental conditions—from humid tropical regions to sub-zero mountainous terrains—the P42A 11.1V 4200mAh Li-ion Drone Battery has consistently delivered dependable current flow and predictable discharge curves. Even at temperatures below −20 °C, it retains strong performance without degradation, ensuring your drone’s operational readiness in cold-weather missions.

Key thermal advantages include stable resistance at diverse temperatures, zero cell swelling, enhanced cooling efficiency, and steady power output during extreme conditions. With these capabilities, LOFTY AGROTECH’s P42A 11.1V 4200mAh Li-ion Drone Battery stands as a benchmark in endurance and reliability—empowering UAV operators to fly confidently, regardless of weather or terrain.

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Mechanical and Aerodynamic Design

The P42A 11.1V 4200mAh Li-ion Drone Battery is not only a powerhouse in terms of energy delivery—it is also a marvel of design and engineering. Developed by LOFTY AGROTECH, this battery incorporates a distinctive Triangle configuration that is specifically tailored to enhance mechanical balance and aerodynamic performance across various drone platforms. Every curve, contour, and connection is optimized to support stable, efficient, and vibration-free flight operations.

At the heart of this design lies an optimized center of gravity, ensuring that drones equipped with the P42A 11.1V 4200mAh Li-ion Drone Battery maintain perfect equilibrium during flight. This balance minimizes oscillations and prevents destabilization during sharp turns or altitude shifts, making it particularly valuable for drones used in aerial mapping, photography, and industrial inspections.

The aerodynamic structure of the battery allows for better thermal ventilation, facilitated by open airflow channels that promote steady heat dissipation. This prevents thermal buildup inside the drone’s frame, thereby extending the overall lifespan of both the battery and the onboard electronics. In addition, the compact footprint of the P42A 11.1V 4200mAh Li-ion Drone Battery makes it a versatile fit for multiple UAV designs—whether fixed-wing aircraft, multirotor drones, or custom-built platforms requiring space optimization.

Another key mechanical advantage lies in the reduction of inertia. Thanks to its lightweight yet rigid construction, the battery supports faster directional changes and improved thrust control—attributes critical for racing drones and high-speed operations.

By integrating aerodynamic precision with mechanical stability, LOFTY AGROTECH ensures that the P42A 11.1V 4200mAh Li-ion Drone Battery delivers seamless compatibility with modern UAV systems. This meticulous engineering allows professionals to experience enhanced flight performance, reduced drag, and smoother operation—where every gram saved contributes to longer, more efficient missions.

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Safety and Quality Testing

Safety and reliability stand as the foundation of LOFTY AGROTECH’s engineering philosophy. Every P42A 11.1V 4200mAh Li-ion Drone Battery is crafted with precision and tested under strict quality-control protocols to guarantee superior performance and absolute safety in all operational environments. Before leaving the production facility, each battery is meticulously examined through multiple testing stages designed to eliminate inconsistencies and ensure long-term dependability.

The process begins with voltage uniformity checks, where every individual cell inside the P42A 11.1V 4200mAh Li-ion Drone Battery is measured for voltage parity. This step ensures that all cells operate at the same potential, preventing overcharging or undercharging issues during operation. Uniform voltage directly contributes to balanced power delivery and extends the overall cycle life of the pack.

Next comes internal resistance verification, a key determinant of cell health and discharge efficiency. By maintaining low impedance across all cells, the P42A 11.1V 4200mAh Li-ion Drone Battery ensures efficient current flow with minimal energy loss, which results in higher output and reduced heating during intense drone flights.

To confirm endurance under real-world conditions, thermal performance testing simulates extended missions and high-load operations. This ensures the battery maintains structural stability and does not overheat, bulge, or degrade even after prolonged usage. The connector and assembly inspection phase verifies that all joints are firm, eliminating the risk of voltage drop, arcing, or connection failure during takeoff and flight.

Finally, discharge curve analysis evaluates the voltage consistency under varying loads, ensuring smooth and stable energy output across the battery’s operational range.

Only after passing every phase does LOFTY AGROTECH approve a unit for shipment. This meticulous quality assurance guarantees that every P42A 11.1V 4200mAh Li-ion Drone Battery delivered to you is fully calibrated, secure, and flight-ready—providing dependable energy you can trust on every mission.

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Application Versatility — One Battery, Many Uses

The P42A 11.1V 4200mAh Li-ion Drone Battery is a multi-purpose power solution engineered to meet the unique demands of various drone platforms and electronic systems. Its reliability, energy density, and lightweight structure make it the go-to choice for both professionals and enthusiasts across multiple industries.

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FPV Racing Drones:
The P42A 11.1V 4200mAh Li-ion Drone Battery delivers an exceptional burst discharge rate, enabling racers to achieve lightning-fast acceleration and responsive maneuvering. Its stable voltage curve minimizes power dips during rapid throttle changes, ensuring consistent performance throughout each lap. Perfect for competitive FPV pilots seeking maximum efficiency and agility in every race.

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Aerial Photography Drones:
For aerial photographers and cinematographers, the P42A 11.1V 4200mAh Li-ion Drone Battery provides steady voltage output that keeps gimbal systems stable and camera footage smooth. Its high energy density allows for longer flight durations, enabling professionals to capture breathtaking shots without interruptions. Every frame remains seamless, powered by consistent, clean energy delivery.

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Agricultural UAVs:
The P42A 11.1V 4200mAh Li-ion Drone Battery is ideal for agricultural drones used in crop monitoring, spraying, and mapping applications. With extended endurance and consistent current delivery, it ensures uninterrupted operations over vast farmlands. Farmers and agro-tech professionals benefit from longer mission times, reduced downtime, and dependable battery health over repeated cycles.

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Inspection and Survey Drones:
When precision and reliability are crucial, the P42A 11.1V 4200mAh Li-ion Drone Battery excels in powering inspection and survey drones. Whether monitoring pipelines, bridges, or power lines, it provides the endurance required for long-duration missions. The consistent discharge profile ensures that sensors and cameras function optimally until the very end of the flight.

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Robotics & RC Vehicles:
Beyond drones, the P42A 11.1V 4200mAh Li-ion Drone Battery integrates seamlessly into robotics and RC vehicle systems. It offers balanced energy delivery and superior longevity, making it perfect for experimental robotics, RC cars, and industrial automation units. Its compact size and stable voltage output allow for smooth, uninterrupted operation in any setup.

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Cold-Weather Operations:
The P42A 11.1V 4200mAh Li-ion Drone Battery maintains remarkable performance even in extreme cold environments below −20 °C. Its advanced electrolyte composition prevents voltage drops and capacity loss, ensuring reliable power delivery in snow, frost, or high-altitude missions. Pilots operating in challenging weather can trust it for consistent energy under any condition.

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Comparison: Li-ion vs Li-Po Technology

LOFTY AGROTECH helps users understand why Li-ion batteries are revolutionizing the UAV industry. Compared with Li-Po, the P42A 11.1V 4200mAh Li-ion Drone Battery offers higher energy density, reduced maintenance, and longer operational life. It minimizes safety risks such as swelling or thermal runaway, while maintaining linear discharge behavior for predictable flight planning.

Still deciding between the two chemistries?
👉 Click Here to watch LOFTY AGROTECH’s in-depth comparison video.

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Pro-Range Series Advantages

As part of the elite Pro-Range Series, the P42A 11.1V 4200mAh Li-ion Drone Battery benefits from LOFTY AGROTECH’s most advanced manufacturing standards. The series focuses on delivering:

• Impedance-matched cells for consistent performance.

• Extended cycle life with minimal capacity fade.

• Lightweight architecture for aerial efficiency.

• Lower voltage sag under load conditions.

With each Pro-Range battery, you gain engineering precision, tested reliability, and the confidence to push your UAV’s limits safely.

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Package Includes

• 1 × Pro-Range INR 21700 P42A 11.1V 4200mAh 3S1P 40A/50A Discharge Li-ion Drone Battery Pack (Triangle)

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Technical Specifications

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Conclusion

When performance, safety, and efficiency converge, the result is the P42A 11.1V 4200mAh Li-ion Drone Battery—a masterpiece of LOFTY AGROTECH engineering. From custom-built industrial drones to hobby-grade FPV racers, this battery delivers exceptional results in every flight.

Its perfect blend of lightweight design, high discharge rate, and long cycle life ensures unmatched reliability. With the P42A 11.1V 4200mAh Li-ion Drone Battery, you’re not just powering your drone—you’re empowering your mission.

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