Description

PRO-RANGE A GRADE INR 21700-P42A 14.8V 8400MAH 11C 4S2P 80A/100A DISCHARGE LI-ION DRONE BATTERY PACK FOR FPV DRONE

AVAILABLE AT DB&C BY LOFTY AGROTECH

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INTRODUCTION TO HIGH-PERFORMANCE DRONE POWER SYSTEMS

In modern drone technology, performance, endurance, and reliability are directly influenced by the quality of the battery used. Whether it is an FPV racing drone, a long-range exploration drone, or a professional UAV platform, power stability is critical. The PRO-RANGE A GRADE INR 21700-P42A 14.8V 8400MAH DRONE BATTERY PACK is engineered to meet the high demands of today’s drone pilots and UAV professionals.

The INR 21700 4S2P LI-ION DRONE BATTERY is designed for users who require longer flight time, high current output, and stable voltage delivery without excessive weight. Built using premium A-GRADE INR 21700 P42A LITHIUM-ION CELLS, this battery pack delivers superior efficiency, durability, and safety compared to conventional LiPo packs in long-range and endurance-focused applications.

Supplied through DB&C BY LOFTY AGROTECH, this battery reflects LOFTY AGROTECH’s commitment to quality, performance, and real-world reliability.

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WHAT MAKES THE INR 21700 4S2P LI-ION DRONE BATTERY SPECIAL?

The INR 21700 4S2P LI-ION DRONE BATTERY uses a 4S2P configuration, meaning four cells in series and two in parallel. This configuration results in a NOMINAL VOLTAGE OF 14.8V and a HIGH CAPACITY OF 8400MAH, providing excellent balance between voltage, current capability, and energy density.

Unlike standard drone batteries, this pack is built using INR (LITHIUM NICKEL RICH) CELLS, which are known for:

• HIGH ENERGY DENSITY

• BETTER THERMAL STABILITY

• LONGER CYCLE LIFE

• CONSISTENT VOLTAGE OUTPUT

These characteristics make the INR 21700 4S2P LI-ION DRONE BATTERY an ideal choice for FPV drones that demand both endurance and performance.

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CELL TECHNOLOGY: A-GRADE INR 21700 P42A CELLS

At the heart of this battery pack are A-GRADE INR 21700 P42A CELLS, widely respected in the industry for their power delivery and reliability. These cells are carefully selected and matched to ensure uniform internal resistance and voltage balance across the entire pack.

Advantages of using INR 21700 P42A CELLS include:

• HIGH DISCHARGE CAPABILITY

• LOW INTERNAL RESISTANCE

• IMPROVED HEAT MANAGEMENT

• EXTENDED BATTERY LIFE

The INR 21700 4S2P LI-ION DRONE BATTERY is built for users who do not compromise on quality.

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HIGH DISCHARGE PERFORMANCE FOR FPV AND UAV APPLICATIONS

This battery pack offers a DISCHARGE RATING OF 11C, with PEAK DISCHARGE CAPABILITY OF 80A TO 100A, making it suitable for high-power FPV drones. During aggressive throttle punches, fast climbs, or payload lifting, the battery maintains stable voltage output without sudden drops.

The INR 21700 4S2P LI-ION DRONE BATTERY ensures smooth power delivery, helping protect ESCs, motors, and flight controllers from voltage sag.

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LONG FLIGHT TIME AND ENERGY EFFICIENCY

With a NOMINAL CAPACITY OF 8400MAH, this battery pack enables significantly longer flight times compared to traditional LiPo batteries of similar weight. This makes it especially valuable for:

• LONG-RANGE FPV DRONES

• MAPPING AND SURVEY DRONES

• AGRICULTURAL DRONES

• CINEMATIC FPV PLATFORMS

The INR 21700 4S2P LI-ION DRONE BATTERY is optimized for endurance rather than short bursts, making it perfect for missions where time in the air matters most.

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CONNECTORS AND COMPATIBILITY

The battery features a 5-PIN JST XH BALANCE CONNECTOR, ensuring accurate cell monitoring and safe charging. The AMASS XT60 DISCHARGE CONNECTOR provides low resistance and secure power transfer to the drone’s power system.

These industry-standard connectors ensure broad compatibility with popular FPV frames, ESC stacks, and chargers.

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CHARGING AND VOLTAGE CHARACTERISTICS

• MAX CHARGING VOLTAGE: 16.8V

• MAX DISCHARGING VOLTAGE: 11.6V

• CHARGING CURRENT: UP TO 5C

The INR 21700 4S2P LI-ION DRONE BATTERY supports controlled fast charging while maintaining cell health. Proper charging practices significantly extend battery lifespan and ensure consistent performance over hundreds of cycles.

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NO BMS – OPTIMIZED FOR DRONE SYSTEMS

This battery pack does NOT INCLUDE A BMS, which is intentional for drone use. Most FPV drones and UAV platforms rely on flight controller-based voltage monitoring and external alarms. Removing the BMS reduces weight and increases efficiency.

This design choice makes the INR 21700 4S2P LI-ION DRONE BATTERY ideal for experienced users and professional drone setups.

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COMPACT FORM FACTOR AND WEIGHT BALANCE

• DIMENSIONS: 145 × 45 × 45 MM

• WEIGHT: ~650 G

Despite its high capacity, the battery maintains a compact shape that fits most long-range and FPV drone frames. The weight-to-capacity ratio is optimized for flight efficiency.

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KEY FEATURES (EXPANDED)

• A-GRADE INR 21700 P42A LITHIUM-ION CELLS

• 14.8V 4S2P CONFIGURATION FOR STABLE OUTPUT

• 8400MAH HIGH CAPACITY FOR LONG FLIGHT TIME

• 11C CONTINUOUS DISCHARGE WITH 80A / 100A PEAK

• XT60 DISCHARGE CONNECTOR FOR LOW RESISTANCE

• 5-PIN JST XH BALANCE CONNECTOR

• LIGHTWEIGHT DESIGN FOR LONG-RANGE FPV DRONES

• EXCELLENT THERMAL STABILITY

• IDEAL FOR FPV, UAV, AND PROFESSIONAL DRONES

• SUPPLIED BY DB&C BY LOFTY AGROTECH

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WHY CHOOSE LOFTY AGROTECH?

Choosing LOFTY AGROTECH means choosing reliability, expertise, and trust.

1. AUTHENTIC & QUALITY-TESTED PRODUCTS

Every INR 21700 4S2P LI-ION DRONE BATTERY supplied by LOFTY AGROTECH undergoes strict quality checks.

2. DRONE INDUSTRY EXPERTISE

LOFTY AGROTECH understands real drone-world requirements, not just specifications.

3. TRUSTED SUPPLIER – DB&C BY LOFTY AGROTECH

Products under DB&C BY LOFTY AGROTECH meet professional standards for performance and durability.

4. SUPPORT FOR STUDENTS, STARTUPS & PROFESSIONALS

From learners to enterprise drone operators, LOFTY AGROTECH serves all levels.

5. LONG-TERM VALUE & RELIABILITY

You don’t just buy a product — you invest in dependable drone power solutions.

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CONCLUSION (PART 1)

The PRO-RANGE A GRADE INR 21700-P42A 14.8V 8400MAH DRONE BATTERY PACK is a premium power solution designed for serious FPV pilots and UAV professionals. With high energy density, excellent discharge performance, and robust construction, the INR 21700 4S2P LI-ION DRONE BATTERY delivers unmatched reliability.

When sourced from DB&C BY LOFTY AGROTECH, users gain confidence, authenticity, and expert support — making this battery an excellent choice for modern drone applications.

The PRO-RANGE A GRADE INR 21700-P42A 14.8V 8400MAH LI-ION DRONE BATTERY PACK is a high-performance power solution designed specifically for FPV drones, long-range drones, and professional UAV applications. Built using A-GRADE INR 21700 P42A lithium-ion cells, this battery pack delivers exceptional energy density, stable voltage output, and long cycle life, making it an ideal choice for demanding drone operations.

Configured in a 4S2P architecture, this battery provides a nominal voltage of 14.8V and a high 8400MAH capacity, ensuring extended flight times and consistent power delivery. With a continuous discharge rating of 11C and peak discharge capability of 80A to 100A, the battery is well-suited for FPV drones that require high burst currents during rapid acceleration, aggressive maneuvers, and payload lifting.

The PRO-RANGE 21700 LI-ION DRONE BATTERY is equipped with a 5-PIN JST XH BALANCE CONNECTOR for accurate cell balancing and a AMASS XT60 DISCHARGE PORT, ensuring secure, low-resistance power transfer to the drone’s ESC and power distribution system. The battery supports a MAXIMUM CHARGING VOLTAGE OF 16.8V and a MAXIMUM DISCHARGING VOLTAGE OF 11.6V, maintaining safe operating limits for long-term reliability.

Designed without an internal BMS (BATTERY MANAGEMENT SYSTEM), this battery pack is optimized for DRONE-SPECIFIC POWER SYSTEMS where external power monitoring and flight controller-based voltage protection are used. This design reduces weight while maximizing output efficiency, making it ideal for FPV pilots who prioritize performance and endurance.

The battery pack features a COMPACT AND ROBUST ENCLOSURE, measuring 145 × 45 × 45 MM and weighing approximately 650 GRAMS, striking an excellent balance between power capacity and flight weight. Its rugged build ensures durability under high vibration and dynamic flight conditions.

This product is AVAILABLE THROUGH DB&C BY LOFTY AGROTECH, a trusted supplier of professional drone components and UAV power systems.

REAL-WORLD PERFORMANCE OF THE INR 21700 4S2P LI-ION DRONE BATTERY

In real-world drone operations, laboratory specifications alone are not enough. What truly matters is how a battery performs under continuous load, temperature variation, vibration, and sudden power demand. The INR 21700 4S2P LI-ION DRONE BATTERY is engineered to perform consistently under demanding flight conditions.

During long-range FPV missions, voltage stability becomes critical. Sudden voltage sag can trigger failsafe systems, reduce flight time, or even cause mid-air shutdowns. The INR 21700 4S2P LI-ION DRONE BATTERY maintains a smooth discharge curve, ensuring predictable power delivery throughout the flight.

This characteristic makes it especially suitable for:

• LONG-RANGE FPV CRUISING

• CINEMATIC FPV WITH HEAVY CAMERAS

• AGRICULTURAL SURVEY DRONES

• AUTONOMOUS UAV MISSIONS

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ADVANTAGE OF LI-ION OVER LIPO IN ENDURANCE DRONES

While LiPo batteries dominate high-burst racing drones, Li-ion batteries excel in endurance-focused applications. The INR 21700 4S2P LI-ION DRONE BATTERY offers a higher energy density compared to similar-weight LiPo packs.

KEY ADVANTAGES INCLUDE:

• LONGER FLIGHT TIME PER CHARGE

• LOWER SELF-DISCHARGE RATE

• BETTER STORAGE PERFORMANCE

• MORE CHARGE CYCLES OVER TIME

For pilots who prioritize flight duration over extreme burst power, the INR 21700 4S2P LI-ION DRONE BATTERY is a superior choice.

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THERMAL MANAGEMENT AND SAFETY CHARACTERISTICS

Heat is a major enemy of lithium-based batteries. Poor-quality battery packs often suffer from overheating, which reduces lifespan and increases risk. The INR 21700 4S2P LI-ION DRONE BATTERY benefits from the inherent thermal stability of INR chemistry combined with careful cell matching and pack construction.

Even during extended discharge cycles, the battery maintains safe operating temperatures when used within recommended limits. This improves:

• CELL LONGEVITY

• VOLTAGE CONSISTENCY

• FLIGHT SAFETY

When sourced from DB&C BY LOFTY AGROTECH, users receive batteries that are assembled and inspected to minimize internal resistance imbalance.

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IMPORTANCE OF CELL MATCHING IN THE INR 21700 4S2P LI-ION DRONE BATTERY

Cell matching is a crucial but often overlooked aspect of battery quality. In the INR 21700 4S2P LI-ION DRONE BATTERY, each INR 21700 P42A cell is carefully selected and matched for voltage and internal resistance.

This ensures:

• UNIFORM CHARGING

• BALANCED DISCHARGING

• REDUCED CELL STRESS

• EXTENDED BATTERY LIFE

Poorly matched cells can lead to early battery degradation. LOFTY AGROTECH emphasizes quality control to prevent such issues.

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CHARGING BEST PRACTICES FOR LONG BATTERY LIFE

To maximize the lifespan of the INR 21700 4S2P LI-ION DRONE BATTERY, proper charging practices are essential.

RECOMMENDED GUIDELINES:

• USE A BALANCED CHARGER WITH LI-ION MODE

• DO NOT EXCEED 16.8V MAX CHARGING VOLTAGE

• AVOID CHARGING ABOVE 5C

• ALLOW THE BATTERY TO COOL BEFORE RECHARGING

Following these guidelines helps maintain cell health and ensures consistent performance across hundreds of cycles.

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STORAGE GUIDELINES FOR THE INR 21700 4S2P LI-ION DRONE BATTERY

Proper storage significantly affects battery lifespan. The INR 21700 4S2P LI-ION DRONE BATTERY should be stored at a moderate voltage level when not in use.

STORAGE RECOMMENDATIONS:

• STORE AT 3.6V – 3.8V PER CELL

• KEEP IN A COOL, DRY PLACE

• AVOID DIRECT SUNLIGHT

• DO NOT STORE FULLY CHARGED FOR LONG PERIODS

LOFTY AGROTECH also recommends periodic voltage checks during long-term storage.

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IDEAL USERS FOR THIS BATTERY PACK

The INR 21700 4S2P LI-ION DRONE BATTERY is best suited for:

• FPV LONG-RANGE PILOTS

• UAV SURVEY AND MAPPING OPERATORS

• AGRICULTURAL DRONE USERS

• CINEMATIC FPV FILMMAKERS

• DRONE STARTUPS AND R&D TEAMS

• EDUCATIONAL INSTITUTIONS

Its combination of capacity, stability, and reliability makes it versatile across industries.

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WHY PROFESSIONALS TRUST LOFTY AGROTECH

INDUSTRY-FOCUSED APPROACH

LOFTY AGROTECH does not simply sell drone components; it provides APPLICATION-ORIENTED SOLUTIONS. Every INR 21700 4S2P LI-ION DRONE BATTERY is selected based on real-world drone use cases.

QUALITY OVER QUANTITY

Unlike mass-market platforms, LOFTY AGROTECH prioritizes product authenticity and performance consistency.

TECHNICAL SUPPORT & GUIDANCE

Customers receive guidance on:

• BATTERY SELECTION

• CHARGING METHODS

• DRONE POWER INTEGRATION

This support is invaluable for both beginners and professionals.

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DB&C BY LOFTY AGROTECH – A MARK OF TRUST

Products sold under DB&C BY LOFTY AGROTECH meet strict standards for:

• BUILD QUALITY

• ELECTRICAL SAFETY

• PERFORMANCE RELIABILITY

When purchasing the INR 21700 4S2P LI-ION DRONE BATTERY from DB&C BY LOFTY AGROTECH, users can be confident in long-term value.

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COMPARISON WITH TRADITIONAL DRONE BATTERIES

The INR 21700 4S2P LI-ION DRONE BATTERY clearly excels in endurance-focused scenarios.

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EXPANDED FEATURES LIST

• A-GRADE INR 21700 P42A CELLS

• 14.8V NOMINAL VOLTAGE

• 8400MAH HIGH ENERGY CAPACITY

• 4S2P CONFIGURATION FOR STABILITY

• 11C CONTINUOUS DISCHARGE

• 80A / 100A PEAK DISCHARGE SUPPORT

• XT60 HIGH-CURRENT DISCHARGE CONNECTOR

• JST XH BALANCE CONNECTOR

• NO BMS FOR WEIGHT OPTIMIZATION

• COMPACT AND ROBUST PACK DESIGN

• LONG CYCLE LIFE

• IDEAL FOR FPV AND UAV APPLICATIONS

• SUPPLIED BY DB&C BY LOFTY AGROTECH

EXTERNAL LINKS:https://robu.in/product/pro-range-inr-21700-p42a-14-8v-8400mah-4s2p-80a-100a-discharge-li-ion-drone-battery-pack/#

INTERNAL LINK:http://LOFTYAGROTECH.COM