Description
7.4V 4200mAh Li-ion Drone Battery – High-Performance Power for Modern Drones
The 7.4V 4200mAh Li-ion Drone Battery is engineered to deliver consistent power, safety, and durability for today’s demanding drone applications. Whether you are flying agriculture drones, surveillance drones, FPV racing builds, or custom DIY projects, this battery pack provides the right balance between capacity, discharge rate, and compact design.
Built with Molicel INR 21700 P42A cells, it ensures stability under high loads, a longer cycle life, and protection against puffing and overheating. For drone enthusiasts and professionals alike, the 7.4V 4200mAh Li-ion Drone Battery represents reliability you can count on.
Key Specifications of the 7.4V 4200mAh Li-ion Drone Battery
When evaluating drone power solutions, the 7.4V 4200mAh Li-ion Drone Battery stands out due to its precisely engineered specifications that balance performance, weight, and durability. Below is an in-depth look at the technical aspects that make this battery ideal for professional, commercial, and hobby drone applications.
🔋 Nominal Voltage and Capacity
- Nominal Voltage: 7.4V (2S configuration)
- Capacity: 4200mAh
The 7.4V nominal voltage comes from its 2S (2-cell in series) configuration, providing just the right balance of energy for drones that need stability and efficiency. Unlike single-cell packs, the 2S setup allows the battery to power motors with greater consistency, improving drone responsiveness.
With a 4200mAh capacity, the 7.4V 4200mAh Li-ion Drone Battery ensures extended flight times compared to smaller packs. This capacity is especially beneficial for agriculture drones, security UAVs, and inspection systems, where operational endurance is more important than just peak power output.
In real-world terms, this means:
- Medium drones achieve flights of 20–30 minutes under normal payload.
- FPV and DIY drones get both burst performance and sustainable runtime, avoiding frequent landings for recharging.
- Industrial drones benefit from the balance of capacity vs. weight, ensuring efficient missions without excessive bulk.
⚡ Discharge and Charging Performance
- Continuous Discharge: 40A
- Peak Discharge: 50A
- Max Charging Voltage: 8.4V
- Minimum Safe Voltage: 5.8V
The 7.4V 4200mAh Li-ion Drone Battery is engineered to deliver high-discharge performance while maintaining safe operational thresholds.
🔹 Continuous Discharge (40A)
This allows drones to draw consistent power during extended flights. For drones lifting payloads, performing aerial photography, or carrying sensors, this ensures motors run smoothly without voltage drops.
🔹 Peak Discharge (50A)
During sudden accelerations, steep climbs, or high-thrust maneuvers, drones can demand a surge of energy. The 50A peak discharge capability ensures the battery handles these short bursts without overheating or performance sag.
🔹 Charging Parameters
With a maximum charging voltage of 8.4V, users can safely recharge the battery using compatible Li-ion chargers. The minimum safe voltage of 5.8V prevents over-discharge, protecting the cells from permanent damage and extending the overall cycle life.
This balance between discharge power and charging safety makes the 7.4V 4200mAh Li-ion Drone Battery a dependable option for both professional and hobby drone pilots.
🔌 Connectors and Design
- Charge Connector: 3 Pin JST XH
- Discharge Connector: Amass XT60
- Dimensions: 75 × 40 × 20 mm
- Weight: ~160g
The design and connectors of the 7.4V 4200mAh Li-ion Drone Battery play a crucial role in ensuring compatibility and ease of use.
🔹 Connectors
- The 3 Pin JST XH connector is used for charging, providing secure and safe connections to most smart chargers.
- The Amass XT60 discharge connector is the gold standard for drones, known for its high current handling, low resistance, and reliable contact. This ensures efficient power transfer from the battery to the motors.
🔹 Compact & Lightweight Build
Measuring just 75 × 40 × 20 mm and weighing around 160 grams, the battery is designed to be lightweight without compromising durability. This makes it especially suitable for drones where weight-to-power ratio is critical.
- In agricultural drones, this means drones can carry more pesticide or fertilizer payloads without being weighed down.
- In FPV drones, it means greater maneuverability and agility in racing or freestyle environments.
- In commercial drones, it ensures the system remains portable while still achieving long runtime.
🔹 Puffing-Resistant Design
Unlike many Li-Po batteries that swell after repeated use, the 7.4V 4200mAh Li-ion Drone Battery is puffing-resistant. This ensures longer cycle life, maintains compact dimensions, and avoids damage to drone battery bays.
Advantages of Using the 7.4V 4200mAh Li-ion Drone Battery
When choosing a power source for drones, users often face the dilemma of balancing flight endurance, weight, cost, and safety. The 7.4V 4200mAh Li-ion Drone Battery delivers an ideal solution by offering reliable performance, stable output, and long-term cost savings. Below are the major advantages that make this battery a preferred choice among drone professionals and enthusiasts alike.
⏱️ Longer Flight Durations
One of the biggest advantages of the 7.4V 4200mAh Li-ion Drone Battery is its ability to deliver practical and extended flight times without adding unnecessary weight.
- With its 4200mAh capacity, drones can remain airborne longer than with standard 3500mAh packs.
- While not as high as the 5600mAh models, it achieves the perfect balance between endurance and portability, which is especially important in missions requiring agility and speed.
- Agricultural drones benefit by covering wider fields before requiring a recharge.
- FPV and racing drones gain enough runtime to complete laps or freestyle maneuvers without frequent landings.
👉 In real terms, the 7.4V 4200mAh Li-ion Drone Battery keeps drones flying long enough for productive missions while maintaining an optimal weight-to-power ratio.
⚡ Stable Power Delivery
Performance consistency is crucial in drones, especially when handling payloads or sudden maneuvers. The 7.4V 4200mAh Li-ion Drone Battery provides stable thrust delivery through its high-discharge capabilities:
- 40A continuous discharge ensures motors operate smoothly during sustained flights.
- 50A peak discharge allows for quick bursts of power during take-offs, climbs, or evasive maneuvers.
- Reduced voltage sag compared to smaller packs means the drone won’t lose efficiency mid-flight.
This makes the 7.4V 4200mAh Li-ion Drone Battery particularly effective for security drones, mapping drones, and FPV setups where power stability is essential.
🔒 Safety and Reliability
Safety is a top concern in UAV operations, and the 7.4V 4200mAh Li-ion Drone Battery excels in this area thanks to its Molicel INR 21700 P42A cells.
🔹 Built-in Safety Advantages
- Thermal stability prevents overheating during long missions.
- Low self-discharge ensures the battery holds charge during storage, making it always ready for deployment.
- Puffing resistance reduces swelling issues that are common with Li-Po batteries.
🔹 Reliability for Professional Applications
- In agriculture, it prevents mid-air power failures during critical pesticide spraying runs.
- In surveillance drones, it guarantees uninterrupted operation in sensitive security zones.
- In industrial inspections, it ensures the battery can withstand frequent charge-discharge cycles.
👉 These qualities make the 7.4V 4200mAh Li-ion Drone Battery a safe, dependable choice for both hobby and industrial UAVs.
💰 Cost Efficiency
Another major advantage of the 7.4V 4200mAh Li-ion Drone Battery is its ability to save users money in the long run.
- With 500+ charge cycles, it far outlasts many Li-Po batteries that degrade faster under heavy use.
- Fewer replacements mean lower operational costs, especially for businesses running fleets of drones.
- The longer cycle life ensures consistent ROI, as drone operators can rely on the same battery for years instead of months.
👉 For drone pilots and companies, the 7.4V 4200mAh Li-ion Drone Battery offers a winning combination of performance, safety, and financial efficiency.
Applications of the 7.4V 4200mAh Li-ion Drone Battery
The 7.4V 4200mAh Li-ion Drone Battery is designed for versatility, powering drones across industries ranging from agriculture to defense. Its balance of capacity, discharge rate, and lightweight design makes it suitable for multiple real-world use cases. Below are the primary applications where this battery excels.
🚜 Agricultural Drones
Agriculture has become one of the biggest adopters of drone technology, with UAVs being used for pesticide spraying, crop health monitoring, soil analysis, and precision farming.
- The 7.4V 4200mAh Li-ion Drone Battery delivers stable energy for spraying drones, ensuring pumps and motors operate without interruptions.
- Farmers benefit from extended coverage per flight, allowing them to treat larger areas before recharging.
- In crop-monitoring UAVs, the battery provides long enough flight durations to capture NDVI (Normalized Difference Vegetation Index) data or multispectral imagery with accuracy.
👉 By using the 7.4V 4200mAh Li-ion Drone Battery, agricultural drones can reduce downtime, increase field coverage, and enhance farming productivity.
🛡️ Surveillance and Security Drones
Security and defense drones demand uninterrupted performance and reliability, especially during critical missions.
- The 7.4V 4200mAh Li-ion Drone Battery provides the long airtime needed for border patrol, perimeter security, and disaster-response missions.
- Its stable discharge curve ensures smooth video feed transmission, avoiding sudden drops in performance.
- Security teams can rely on it for crowd monitoring, traffic management, and rapid deployment scenarios.
👉 With its reliability, the 7.4V 4200mAh Li-ion Drone Battery becomes an ideal choice for law enforcement, military, and private security agencies.
🛠️ DIY and FPV Drone Builds
For hobbyists, FPV racers, and drone builders, finding a lightweight yet powerful battery is essential. The 7.4V 4200mAh Li-ion Drone Battery ticks all the right boxes:
- Perfect for FPV racing drones, where high-discharge performance supports sharp turns, rapid climbs, and freestyle tricks.
- Lightweight build ensures the drone remains agile without sacrificing runtime.
- DIY enthusiasts can integrate this battery into custom UAV builds, gaining both flexibility and reliability.
👉 Whether for weekend flying or competitive FPV racing, the 7.4V 4200mAh Li-ion Drone Battery is a trusted companion for drone hobbyists.
🏭 Industrial and Commercial Drones
Industries increasingly rely on drones for surveying, inspection, mapping, and deliveries, all of which demand stable and efficient power solutions.
- In inspection drones, the 7.4V 4200mAh Li-ion Drone Battery supports precise power delivery needed for thermal cameras, LiDAR systems, and high-resolution sensors.
- For mapping and surveying drones, longer flight times enable larger area coverage with fewer flights, saving time and resources.
- In delivery drones, the balance of weight and discharge performance ensures stable flight even when carrying small payloads.
👉 The 7.4V 4200mAh Li-ion Drone Battery empowers businesses by increasing efficiency, reducing downtime, and ensuring accuracy in mission-critical operations.
Safety Features of the 7.4V 4200mAh Li-ion Drone Battery
When it comes to drones used in agriculture, surveillance, mapping, or industrial inspections, safety is just as important as performance. The 7.4V 4200mAh Li-ion Drone Battery is engineered with multiple protective features that ensure reliability in high-stakes environments. These built-in safeguards not only protect the battery itself but also the drone and its onboard electronics.
💧 Leak-Proof Construction
One of the key safety features of the 7.4V 4200mAh Li-ion Drone Battery is its leak-proof construction.
- Prevents liquid or chemical leaks, which could otherwise damage sensitive drone electronics.
- Protects against short circuits or corrosion caused by fluid exposure.
- Ensures the battery maintains integrity even during long storage periods.
👉 This makes the 7.4V 4200mAh Li-ion Drone Battery a reliable option for drones exposed to humidity, dust, or agricultural chemicals.
💥 Explosion-Resistant Build
High-drain drone operations can put batteries under intense stress. The 7.4V 4200mAh Li-ion Drone Battery is designed with explosion-resistant architecture, ensuring it can withstand demanding use.
- Withstands rapid discharge cycles without overheating.
- Resistant to cell rupture, even in drones operating at peak loads.
- Provides an additional layer of safety for missions in populated or high-risk areas.
👉 This feature makes the 7.4V 4200mAh Li-ion Drone Battery particularly suited for security drones, mapping UAVs, and payload delivery systems.
🔋 Over-Discharge Protection
A major cause of battery damage is over-discharge, which can lead to permanent cell failure. The 7.4V 4200mAh Li-ion Drone Battery includes over-discharge protection to extend its life.
- Prevents the cells from being drained below 5.8V minimum safe voltage.
- Protects against deep discharge cycles, which shorten overall battery health.
- Ensures the drone always has enough reserve power to return safely to base.
👉 This feature gives drone operators peace of mind, knowing that their power source won’t suddenly fail mid-flight.
🌡️ Stable Li-ion Chemistry
The 7.4V 4200mAh Li-ion Drone Battery is built with Molicel INR 21700 P42A cells, known for their chemical stability and efficiency.
- Generates less heat compared to conventional Li-Po batteries.
- Maintains consistent output voltage, reducing performance dips.
- Minimizes risks of thermal runaway, a common issue in poorly made cells.
👉 Thanks to its stable Li-ion chemistry, the 7.4V 4200mAh Li-ion Drone Battery ensures longer service life and safer operation, even under extreme drone workloads.
✅ Why These Safety Features Matter
Every drone mission—whether in **agriculture, security, or industrial applications—**relies on consistent and safe power delivery. The 7.4V 4200mAh Li-ion Drone Battery combines leak-proofing, explosion resistance, over-discharge protection, and stable chemistry to:
- Protect valuable UAV investments.
- Enhance operator safety in sensitive environments.
- Ensure longer battery life and reduced replacement costs.
Technical Performance in Real Drone Applications
The real test of any drone battery lies in field performance. The 7.4V 4200mAh Li-ion Drone Battery has been extensively tested in practical scenarios such as agriculture, surveillance, FPV racing, and industrial inspections, proving that it offers not just raw power but also reliability. Let’s explore its technical performance in detail.
📈 Extended Flight Results
One of the most notable advantages of the 7.4V 4200mAh Li-ion Drone Battery is its ability to extend drone flight time.
- 20% longer flight duration compared to standard 3000–3500mAh Li-ion packs.
- Supports medium-range missions such as crop spraying, mapping, and infrastructure inspection.
- Provides sufficient backup for drones carrying cameras, sensors, or payloads.
👉 With this extended runtime, drone operators can cover more ground, making the 7.4V 4200mAh Li-ion Drone Battery a preferred choice for both commercial and recreational UAV pilots.
🚁 Stable Thrust and Power Delivery
Drones demand consistent voltage and current output, especially during take-off, climbing, and sudden maneuvers. The 7.4V 4200mAh Li-ion Drone Battery excels in delivering smooth and stable power.
- Minimal voltage sag ensures uninterrupted thrust, even under heavy loads.
- Reliable during rapid climbs and high-thrust requirements like FPV stunts or agricultural spraying.
- Maintains stable current output for precision flying, crucial in inspection and surveillance missions.
👉 Thanks to its 40A continuous discharge and 50A peak discharge, the 7.4V 4200mAh Li-ion Drone Battery guarantees that drones remain responsive and efficient throughout their flight.
🔋 Cycle Life and Durability
Durability is key for cost efficiency, especially for professionals who rely on drones daily. The 7.4V 4200mAh Li-ion Drone Battery has been proven to withstand hundreds of charge and discharge cycles.
- 500+ charge cycles without significant performance drop.
- Retains over 80% capacity even after long-term use.
- Built with Molicel INR 21700 P42A cells, known for reliability and longevity.
👉 This long cycle life reduces replacement frequency, making the 7.4V 4200mAh Li-ion Drone Battery an economical investment for drone operators.
🛰️ Real-World Drone Applications
In field applications, the 7.4V 4200mAh Li-ion Drone Battery consistently outperforms expectations:
- Agriculture: Extends spraying coverage per flight.
- Surveillance: Allows for longer perimeter patrols.
- FPV builds: Ensures racers get steady power for high-speed maneuvers.
- Industrial inspections: Provides uninterrupted energy for mapping and scanning tasks.
👉 Whether it’s endurance, thrust, or durability, the 7.4V 4200mAh Li-ion Drone Battery has proven itself as a reliable energy source for diverse drone applications.
Comparison with Other Drone Batteries
🔹 Vs. Standard Li-Po Batteries
- Li-Po: Higher discharge, but shorter cycle life.
- 7.4V 4200mAh Li-ion Drone Battery: Lower discharge but much longer lifespan and safer operation.
🔹 Vs. 5600mAh Li-ion Packs
- 5600mAh Li-ion: Longer flight times but heavier.
- 4200mAh Li-ion: Lighter and more compact, better suited for medium drones.
Why Choose the 7.4V 4200mAh Li-ion Drone Battery?
- Balanced Performance – Great mix of power and endurance.
- Reliable Safety Features – Explosion-resistant and leak-proof.
- Cost-Effective – Long cycle life reduces replacements.
- Compact Design – Easy integration into drones.
For professionals and hobbyists, the 7.4V 4200mAh Li-ion Drone Battery provides the best value in high-performance drone power systems.
Final Thoughts
The 7.4V 4200mAh Li-ion Drone Battery is built to deliver stable power, long-lasting performance, and safety across multiple applications. From agriculture drones to surveillance UAVs and custom FPV builds, this battery proves itself as a reliable power source.
Its high discharge rate (40A/50A), combined with compact design and long cycle life, makes it a smart investment for anyone looking to maximize drone efficiency while reducing long-term costs.
If you need a battery that combines power, reliability, and safety, the 7.4V 4200mAh Li-ion Drone Battery is the perfect choice.
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