EF-001
24S–32S 400 A Smart BMS for High-Power Industrial UAV Battery Systems
Supports: PX4 / ArduPilot / DroneCAN (UAVCAN) / MODBUS / Smart Charger Protocols
A high-current battery management system designed for industrial UAV
and heavy-lift drone battery packs.
The EF-001 supports 24S–32S battery configurations, 400 A continuous
discharge current, 600 A peak output, up to eight parallel battery packs,
CAN 2.0B, isolated UART, DroneCAN (UAVCAN), MODBUS and smart-charger
protocol integration.
Supports 8 Parallel Battery Packs
400 A Continuous Current
600 A Peak Output
Dual Communication Interfaces
Product Introduction
The EF-001 is a high-current smart battery management system designed for industrial UAV and heavy-lift drone battery packs.
It supports 24S–32S battery configurations with a rated voltage range of 88.8–118.4 V. The BMS provides 400 A continuous discharge current and 600 A peak output for UAV platforms operating under demanding load conditions.
For system integration, the EF-001 supports CAN 2.0B and isolated UART interfaces, together with DroneCAN (UAVCAN), MODBUS and smart-charger protocol support.
The EF-001 can also support up to eight battery packs in parallel, making it suitable for large-capacity industrial UAV battery systems using Li-ion cells.
Key Specifications
- Cell Configuration: 24S - 32S
- Rated Voltage Range: 88.8V - 118.4V
- Continuous Discharge: 400A
- Peak Output: 600A
- Parallel Battery Packs: Up to 8 packs
- SOC Accuracy: +/- 3% (high-precision algorithm)
- Temperature Monitoring: 4x independent NTC sensors
Comprehensive Safety Protections
- Overcurrent & short-circuit protection
- Overcharge & over-discharge protection
- Vibration-resistant design (harsh environments)
- Exclusive flight-mode safeguard (prevents mid-flight power cutoff)
- High/low temperature protection
Engineering Capabilities
High-Current UAV Operation
Designed for industrial UAV battery packs with 400 A continuous discharge current and 600 A peak output.
Parallel-Pack
Support
Supports up to eight parallel battery packs for large-capacity industrial UAV power systems.
Multi-Protocol
Integration
Supports CAN 2.0B, isolated UART, DroneCAN (UAVCAN), MODBUS and smart-charger protocol integration.
OEM / ODM Engineering Support
Battery-pack configuration, communication interfaces and protection parameters can be tailored to project requirements.
Technical Specifications
Below are the comprehensive technical parameters and factory default settings for our UAV Smart BMS. All parameters are meticulously calibrated to ensure maximum flight safety and battery longevity.
| No. | Parameter Item | Factory Default | Adjustable | Remarks | |
|---|---|---|---|---|---|
| 1 | Total Overcharge Protection | Total Overcharge Warning Voltage | Calculated according to the selected series configuration | Yes | Total overvoltage turns off the charging MOS |
| Total Overcharge Protection Voltage | Calculated according to the selected series configuration | Yes | |||
| Total Overcharge Protection Delay | 1.0 S | Yes | |||
| Total Overvoltage Protection Release | Total Overcharge Release Voltage | 4.2x28 V | Yes | ||
| Total Overcharge Release Delay | 3.0 S | Yes | |||
| 2 | Total Over-discharge Protection | Total Over-discharge Warning Voltage | Calculated according to the selected series configuration | Yes | Total voltage over-discharge will not turn off the discharge MOS |
| Total Over-discharge Protection Voltage | Calculated according to the selected series configuration | Yes | |||
| Total Over-discharge Protection Delay | 3.0 S | Yes | |||
| Total Over-discharge Protection Release | Total Over-discharge Release Voltage | 2.0x28 V | Yes | ||
| Release by Charging | Active when entering charging state (charging current > 0.6 A), recovers when above release voltage | ||||
| 3 | Charge Over-current Protection | Rated Current | <= 400 A | Charge overcurrent protection will turn off the charging MOS | |
| Charge Over-current Protection Current | 200 A | Yes | |||
| Charge Over-current Protection Delay | 1.0 S | Yes | |||
| Charge Overcurrent Release | Automatic Release | Auto release after 10S | |||
| Discharge Release | Discharge current > 0.6A | ||||
| 4 | Short Circuit Protection | Short Circuit Protection Current | 1,500 A | Effective on ground; turns off discharge MOS after protection | |
| Short Circuit Protection Delay | 200 μs | ||||
| Short Circuit Release | Remove Load Release | Release after removing load | |||
| Charge current > 0.6 A | Charge current > 0.6 A | ||||
| 5 | SOC | Accuracy | 3–5% after calibration cycle | Requires one full charge-discharge cycle after initial power-on to reach accuracy | |
PC & MOBILE SOFTWARE
AYAA software tool is developed by our company for our intelligent protection board series. The user interface allows the user to perform various operations such as monitoring battery data, modifying BMS parameters and many other functions. The UI is divided into four sections, which are, Battery information, parameter setting, calibration and others.
Key Features
Engineered for reliability, safety, and high-performance UAV operations
Multi-point Temperature Monitoring
Supports multiple NTC sensors per cell group for precise thermal tracking and enhanced safety management.
Isolated RS485 Communication
Communicates via isolated RS485 (Modbus), with adjustable baud rate and configurable device ID (0-255).
Multiple Communication Interfaces
Supports CAN 2.0B and Isolated UART with isolation and communication wake-up for stable data transmission.
Bluetooth Connectivity (Optional)
Enables wireless monitoring via mobile app for real-time battery status and diagnostics.
Flexible Interface & Display
Includes Type-C, SOC display, LED indicators, and customizable display logic for different applications.
Flight-Safe Protection Strategy
Prevents power cut-off during flight, providing warnings instead of shutdown for maximum safety.
Self-Discharge & Storage Mode
Supports automatic storage mode with configurable idle time to extend battery lifespan.
Full Fault Reporting
Real-time fault data, diagnostics, and system status transmitted directly to UAV systems.
Applications
Powering a wide range of UAV and aerial system applications
Heavy-Lift Logistics Drones
High-current battery management for UAV platforms carrying heavy payloads under demanding flight conditions.
Industrial Cargo UAVs
Parallel-pack battery-system integration for industrial UAV platforms requiring extended endurance and high power output.
eVTOL and Large UAV Platforms
High-voltage battery management for large UAV and eVTOL power systems.
Emergency & Firefighting Drones
Reliable battery monitoring and protection for time-sensitive UAV missions operating under demanding load profiles.
Industrial Inspection UAVs
Stable battery management for industrial inspection platforms requiring reliable power delivery and real-time fault reporting.
Autonomous Aerial Platforms
Communication integration and scalable battery management for autonomous high-power UAV systems.
Need a High-Current BMS for Your Industrial UAV Battery System?
The EF-001 is designed for 24S–32S industrial UAV battery packs with 400 A continuous discharge current, 600 A peak output, up to eight parallel battery packs, CAN 2.0B, isolated UART and configurable communication integration.
Send Request
- 24S–32S Battery Packs
- 400 A Continuous Discharge Current
- 600 A Peak Output
- Up to 8 Parallel Battery Packs
- CAN 2.0B + Isolated UART
- DroneCAN (UAVCAN) / MODBUS
Request Technical Proposal
UAV Power Engineers respond within 12 hours