DJI T40 Battery

Features

The DJI T40 Battery stands at the core of modern agricultural drone power systems, engineered to deliver exceptional endurance, performance, and reliability for large-scale spraying operations. Designed exclusively for the DJI Agras T40 Drone, this battery is a high-capacity lithium-ion power source that supports intense workloads under variable conditions. The DJI T40 Intelligent Flight Battery integrates advanced thermal management, intelligent power balancing, and fast charging technologies, ensuring that farmers and drone operators can sustain long operational cycles without compromising performance or safety. Built with industrial-grade materials and smart sensors, it not only powers the drone but also communicates vital operational data to optimize flight efficiency and battery health over time.

Technical Composition and Power Capacity

The DJI T40 Battery features a high-voltage lithium-ion chemistry specifically optimized for the power-hungry dual atomization spraying system of the Agras T40. It has a capacity of 30,000 mAh (44.4V), which translates to a massive energy output capable of sustaining longer spraying sessions. The power system can deliver consistent high currents while maintaining low heat dissipation, thanks to an advanced BMS (Battery Management System). The internal design employs multiple safety layers, including overcharge, over-discharge, and short-circuit protection, as well as active cell balancing to extend the battery’s lifespan. Its rugged structure is designed to withstand high vibration and varying temperatures, ensuring dependable performance across multiple agricultural environments, whether under scorching sun or humid field conditions.

Intelligent Battery Management System

At the heart of the DJI T40 Battery lies its Intelligent Battery Management System (BMS), a microprocessor-controlled platform that monitors real-time parameters such as voltage, temperature, current, and cycle count. The BMS ensures optimal charge distribution across all cells and provides feedback to the drone’s main controller, enabling real-time monitoring of energy consumption during flight. This integration allows pilots to assess the remaining power accurately, plan flight routes accordingly, and minimize the risk of power depletion mid-air. The intelligent system also keeps the battery within safe thermal and electrical ranges, automatically adjusting performance during extreme environmental conditions. This ensures longer operational life, improved energy efficiency, and enhanced reliability, making it ideal for continuous agricultural missions.

Cooling System and Thermal Efficiency

Thermal management is one of the most critical aspects of drone battery design, and DJI has optimized the T40 Battery to handle high thermal loads. The battery casing integrates a high-efficiency heat dissipation system with materials that conduct heat away from the core cells. During flight or charging, the system dynamically manages temperature using both passive cooling structures and intelligent monitoring. When paired with the DJI D12000iE Multifunctional Inverter Generator and the BS60/BS65 Intelligent Battery Station, the battery benefits from rapid and controlled charging cycles with active temperature regulation. This thermal stability prevents overheating, supports consistent current delivery, and protects against long-term capacity degradation—ensuring that even after hundreds of cycles, performance remains stable.

Compatibility and Fast Charging Technology

The DJI T40 Battery works seamlessly with the DJI BS65 Intelligent Battery Station, a portable power hub designed to recharge multiple batteries quickly. Using advanced power management and cooling integration, the system can charge a T40 battery in approximately 9 to 12 minutes, drastically minimizing downtime between flights. This capability allows operators to sustain continuous spraying operations throughout the day. The plug-and-play design ensures that battery swapping is effortless and safe, eliminating the need for manual calibration or balancing. Additionally, the communication protocol between the battery and the charger allows for precise charge control and state-of-health reporting, which is essential for optimizing fleet-level drone operations.

Safety and Reliability Features

Safety is a top priority in DJI’s battery design philosophy, and the T40 Battery incorporates multiple protective mechanisms to safeguard both the drone and the operator. It is built with fire-retardant materials, over-current protection, cell balancing, over-voltage cutoffs, and short-circuit prevention systems. The integrated BMS continuously audits system health, ensuring that even under heavy load, voltage fluctuations are minimized. DJI’s internal testing procedures for this model include high-altitude simulations, drop testing, and cycle endurance assessments to ensure compliance with aviation-grade safety standards. Furthermore, the external connectors are shielded against moisture and dust, making them resilient in agricultural conditions where exposure to water or pesticides is common.

Performance and Endurance in Field Operations

The DJI Agras T40, when powered by the T40 Battery, demonstrates unparalleled endurance in the agricultural drone sector. With one fully charged battery, the T40 can cover up to 50 acres of spraying area per hour, depending on payload and environmental conditions. The consistent voltage output ensures stable rotor speeds, uniform droplet distribution, and accurate flight path control—key elements in precision agriculture. Farmers benefit from reduced turnaround times between flights, as the combination of fast charging and intelligent power management minimizes operational downtime. Over time, the robust cycle performance of the battery—exceeding 1,500 cycles under normal usage—delivers exceptional value and cost efficiency, making it a long-term investment for commercial agricultural enterprises.

Design and Portability

Despite its high capacity and robust construction, the DJI T40 Battery is designed with ergonomics and portability in mind. It features a reinforced aluminum alloy housing with impact-resistant corners, ensuring durability during transport and handling. The integrated handle system allows quick swapping during field operations, while the smart connector design reduces wear over time. Its IP-rated protection helps resist moisture ingress and dust contamination, further extending its operational life. The external LED indicators provide real-time status updates for charge levels, connectivity, and fault alerts, enabling easy field monitoring without the need for additional tools. This design philosophy makes the T40 Battery both practical and professional-grade, aligning with the DJI Agras system’s focus on high productivity and low maintenance.

Sustainability and Lifecycle Optimization

DJI’s engineering for the T40 Battery also considers sustainability and environmental responsibility. The energy-efficient charging cycles, combined with high-density lithium technology, maximize usable energy per gram, reducing waste and overall environmental impact. The company has optimized the battery’s recyclable components, making end-of-life disposal safer and more sustainable. The Intelligent Battery Management System plays a critical role in lifecycle optimization—by maintaining cell balance and monitoring degradation trends, it ensures the operator gets the maximum number of charge cycles before replacement becomes necessary. Moreover, the modular design supports maintenance and refurbishing programs, allowing operators to extend usability rather than frequently replacing batteries, thereby reducing operational costs and electronic waste.