Description

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PRO-RANGE A GRADE INR 21700-P42A 7.4V 4200mAh 2S1P 40A/50A DISCHARGE LI-ION DRONE BATTERY PACK WITH XT30

The 7.4V 4200mAh Li-ion Drone Battery is engineered to deliver powerful, stable, and long-lasting energy for UAV systems, FPV drones, inspection platforms, mapping drones, and professional aerial solutions. Built using premium Pro-Range A Grade INR 21700-P42A cells, this battery pack offers high discharge capability combined with excellent energy density, making it a superior choice for serious drone operators.

Now supplied by DB&C BY LOFTY AGROTECH, the 7.4V 4200mAh Li-ion Drone Battery is designed for users who demand reliability, safety, and performance under real-world flight conditions.

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🔋 Advanced 21700 Cell Technology

At the core of the 7.4V 4200mAh Li-ion Drone Battery are high-performance 21700 P42A lithium-ion cells. Compared to older 18650 cells, 21700 cells provide:

• Higher capacity per cell

• Lower internal resistance

• Improved thermal stability

• Better discharge efficiency

• Longer cycle lifespan

Because of this, the 7.4V 4200mAh Li-ion Drone Battery delivers enhanced endurance without significantly increasing weight.

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⚡ Power & Discharge Performance

This battery is configured in a 2S1P structure, meaning:

• 2 cells connected in series

• 1 cell per parallel group

• Nominal Voltage: 7.4V

• Capacity: 4200mAh

With an 11C discharge rating, the 7.4V 4200mAh Li-ion Drone Battery supports:

• 40A continuous discharge

• 50A peak discharge

This ensures:

✔ Stable high-throttle response
✔ Smooth acceleration
✔ Reduced voltage sag
✔ Consistent ESC performance

For FPV racing drones and high-performance UAVs, the 7.4V 4200mAh Li-ion Drone Battery provides the necessary current burst for rapid maneuvers.

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🚁 Real-World Drone Applications

The 7.4V 4200mAh Li-ion Drone Battery is ideal for:

🔹 FPV Freestyle & Racing

Lightweight (~160g) design ensures agility without sacrificing power.

🔹 Aerial Photography

Stable voltage improves gimbal and camera performance.

🔹 Surveillance UAVs

Reliable discharge curve ensures longer monitoring missions.

🔹 Industrial Inspection

Consistent power for infrastructure, solar, and tower inspections.

🔹 Agricultural Micro Drones

Operates reliably in high-temperature environments.

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🌡️ Temperature Tolerance

The 7.4V 4200mAh Li-ion Drone Battery performs efficiently across demanding environmental conditions. Lithium-ion chemistry offers better stability compared to traditional LiPo batteries.

This ensures:

• Reduced overheating risk

• Better cold-weather performance

• More stable internal resistance

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🛡️ Safety Configuration & Failsafe Settings

For optimal drone safety, configure:

• Battery Failsafe Trigger: 6.4V (20% reserve)

• Minimum Flying Voltage: 5.8V

Following these guidelines protects the 7.4V 4200mAh Li-ion Drone Battery from deep discharge damage and extends operational lifespan.

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🔌 Charging & Connector Details

Charge Connector: 3 Pin JST XH / Open Wire 16 AWG
Discharge Connector: Amass XT30
Max Charging Voltage: 8.4V
Max Discharge Voltage: 5.8V
Charging Current: 5C

The XT30 connector ensures secure, low-resistance current transfer for stable power output.

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🧪 Engineering Advantages Over Standard LiPo

The 7.4V 4200mAh Li-ion Drone Battery provides:

Because of these benefits, many professional UAV operators now prefer the 7.4V 4200mAh Li-ion Drone Battery for compact builds.

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🏆 WHY USE LOFTY AGRO TECH?

When purchasing your 7.4V 4200mAh Li-ion Drone Battery from LOFTY AGRO TECH, you gain more than just a battery.

✔ Authentic Drone Components

All products are quality verified.

✔ Industrial UAV Expertise

LOFTY AGRO TECH specializes in agricultural and industrial drone systems.

✔ Technical Assistance

Professional guidance for battery selection and integration.

✔ Reliable Shipping

Secure packaging and safe delivery.

✔ Trusted Drone Partner

Serving UAV professionals, engineers, and drone innovators.

Choosing DB&C BY LOFTY AGROTECH ensures reliability, performance, and long-term support.

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🔥 Extended Feature List

• 7.4V Nominal Voltage

• 4200mAh Capacity

• 2S1P Configuration

• 11C Discharge Rate

• 40A Continuous / 50A Peak

• Premium 21700 P42A Cells

• XT30 Connector

• JST XH Charging Port

• Compact & Lightweight (~160g)

• High Energy Density

• Low Internal Resistance

• Stable Voltage Output

• Ideal for FPV & UAV

• Long Cycle Life

• Industrial-Grade Performance

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📦 Physical Specifications

Length: 75 mm
Width: 40 mm
Height: 20 mm
Weight: ~160g
Shipping Weight: 0.225 kg
Shipping Dimensions: 13 × 10 × 6 cm

The Pro-Range A Grade INR 21700-P42A 7.4V 4200mAh 2S1P Li-ion Drone Battery Pack is a high-performance power solution engineered specifically for UAV and FPV drone applications. Built using premium 21700 P42A lithium-ion cells, this battery pack delivers superior energy density, stable discharge performance, and long operational life, making it ideal for professional and industrial drone missions.

Now available through DB&C BY LOFTY AGROTECH, this battery ensures reliable and consistent power output for demanding aerial operations such as surveillance, inspection, mapping, cinematography, and agricultural drone usage.

Designed in a 2S1P configuration, this battery provides a nominal voltage of 7.4V and a capacity of 4200mAh. The 11C discharge rating allows it to deliver up to 40A continuous discharge and 50A peak discharge, ensuring smooth throttle response and strong motor performance even during aggressive flight maneuvers.

The high-efficiency 21700 P42A cells are known for their low internal resistance and excellent impedance matching. This ensures minimal voltage sag during flight, resulting in:

• Stable motor performance

• Better ESC efficiency

• Reduced power fluctuations

• Improved flight consistency

With a maximum charging voltage of 8.4V and maximum discharging voltage of 5.8V, the battery is optimized for safety and durability when used with proper charging practices.

For drone applications, it is recommended to configure failsafe voltages as follows:

1. Battery failsafe trigger: 6.4V (20% reserve)

2. Minimum flying voltage: 5.8V

These settings help protect the cells and extend battery lifespan while ensuring safe drone operations.

The battery includes a 3 Pin JST XH charging connector (Open wire 16 AWG option) and an Amass XT30 discharge connector, providing secure connectivity and efficient power transfer.

Its compact size (75 × 40 × 20 mm) and lightweight build (~160g) make it suitable for lightweight FPV drones and compact UAV platforms requiring extended runtime without excessive weight.

Whether you are building a custom drone or upgrading your existing power system, this 7.4V 4200mAh Li-ion drone battery offers a powerful balance between endurance and discharge capability.

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🔋 Deep Performance Engineering – 7.4V 4200mAh Li-ion Drone Battery

The 7.4V 4200mAh Li-ion Drone Battery is designed for serious UAV operators who require a balance between endurance, discharge capability, and compact form factor. Built using premium INR 21700-P42A cells, this battery pack offers enhanced energy storage compared to standard 18650 configurations.

Because 21700 cells provide higher capacity per cell, the 7.4V 4200mAh Li-ion Drone Battery delivers longer flight time without requiring additional parallel cell groupings. This results in:

• Reduced weight complexity

• Improved space optimization inside drone frames

• Higher overall energy efficiency

• Better power-to-weight ratio

For compact drone builds, this is a major advantage.

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⚡ Voltage Curve Stability & Flight Dynamics

One of the key reasons professionals choose the 7.4V 4200mAh Li-ion Drone Battery is its stable discharge curve. Unlike lower-quality battery packs that experience rapid voltage sag under load, this battery maintains consistent voltage output during:

• Full throttle bursts

• Rapid climbs

• Sudden maneuver corrections

• High-speed racing conditions

A stable voltage curve ensures:

✔ Better ESC calibration
✔ More accurate flight controller readings
✔ Reduced unexpected failsafe triggers
✔ Predictable flight duration

When configured correctly with a failsafe trigger at 6.4V and minimum flying voltage of 5.8V, the 7.4V 4200mAh Li-ion Drone Battery provides both safety and endurance.

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🚁 Power Delivery for Different Drone Categories

The 7.4V 4200mAh Li-ion Drone Battery performs exceptionally well across multiple UAV segments:

🏁 FPV Racing Drones

The 40A continuous and 50A peak discharge ensures explosive throttle response while maintaining stability.

🎥 Cinematic FPV Builds

The battery’s steady voltage improves smooth camera motion and gimbal stability.

🛰 Long-Range Micro UAVs

Higher energy density allows extended flight range without increasing total pack size.

🔍 Inspection & Monitoring Drones

Stable mid-throttle performance supports hovering and detailed inspection work.

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🧪 Internal Resistance & Thermal Behavior

Low internal resistance is one of the defining characteristics of the 7.4V 4200mAh Li-ion Drone Battery. This directly affects:

• Heat generation

• Energy efficiency

• Voltage sag

• Overall cycle lifespan

Because the INR 21700-P42A cells are impedance matched, the pack operates with:

• Reduced internal heating

• Improved thermal management

• Consistent performance across cycles

This makes the 7.4V 4200mAh Li-ion Drone Battery more reliable for repeated professional use.

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🔄 Lifecycle & Long-Term Durability

With proper charging practices, the 7.4V 4200mAh Li-ion Drone Battery offers:

• Strong cycle durability

• Stable internal resistance retention

• Reduced swelling risk

• Better aging characteristics compared to low-cost LiPo packs

For drone businesses performing frequent missions, this translates into:

✔ Lower replacement frequency
✔ Better return on investment
✔ More predictable operational costs

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🛡️ Advanced Safety Design

The 7.4V 4200mAh Li-ion Drone Battery is engineered for operational safety. While it does not include a BMS (as most UAV packs rely on external monitoring via flight controller), it supports:

• Controlled discharge behavior

• Safe charging voltage limits (Max 8.4V)

• Recommended minimum discharge (5.8V)

Proper use ensures safe, long-term performance.

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🔌 Charging Optimization Strategy

For maximum efficiency and lifespan of your 7.4V 4200mAh Li-ion Drone Battery:

• Use Li-ion compatible balance chargers

• Avoid exceeding 5C charging current

• Store between 3.6V–3.8V per cell for long-term storage

• Avoid deep discharge below recommended threshold

Correct maintenance significantly increases the longevity of the 7.4V 4200mAh Li-ion Drone Battery.

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🌍 Environmental Performance

This battery performs reliably in:

• Cold weather conditions

• High-temperature outdoor drone operations

• Humid agricultural environments

• Industrial inspection sites

The chemical stability of the 7.4V 4200mAh Li-ion Drone Battery ensures dependable operation in challenging field conditions.

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💼 Why Choose LOFTY AGRO TECH?

When you purchase the 7.4V 4200mAh Li-ion Drone Battery from LOFTY AGRO TECH, you receive more than just a battery pack.

You receive:

✔ Quality Assurance

All batteries are carefully sourced and performance verified.

✔ Industry-Specific Expertise

LOFTY AGRO TECH specializes in agricultural, industrial, and professional UAV systems.

✔ Technical Support

Guidance for selecting the correct battery configuration for your drone build.

✔ Reliable Delivery

Secure packaging and safe shipping.

✔ Trusted Drone Partner

Serving UAV engineers, FPV pilots, and drone businesses.

Choosing DB&C BY LOFTY AGROTECH ensures long-term reliability and trusted performance.

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🔥 Extended Feature Highlights

• 7.4V Nominal Voltage

• 4200mAh High Capacity

• 2S1P Configuration

• 11C Discharge Rating

• 40A Continuous / 50A Peak

• Premium INR 21700-P42A Cells

• XT30 Discharge Connector

• JST XH Charge Port

• Lightweight (~160g)

• High Energy Density

• Stable Voltage Curve

• Low Internal Resistance

• Long Cycle Life

• Compact Form Factor

• Ideal for FPV & UAV Applications

 

EXTERNAL LINKS:https://robu.in/product/pro-range-inr-21700-p42a-7-4v-4200mah-2s1p-40a-50a-discharge-li-ion-drone-battery-pack/#

INTERNAL LINKS:http://loftyagrotech.com