EF-002
14S–24S 300A Smart Drone BMS for Agricultural UAV
A configurable high-current battery management system designed for agricultural UAV battery packs.
EF-002 Support
- Series Configuration: 14S–24S
- Nominal Pack Voltage: 51.8–88.8 V
- Continuous Operating Current: Up to 300 A
- Communication Protocols: DroneCAN (UAVCAN) / MODBUS
- Communication Interfaces: CAN 2.0B + Isolated UART
- Temperature-Sensing Channels: 2 × NTC
- SOC Estimation Error: <5%
Product Introduction
The EF-002 is a configurable smart battery management system designed
for high-current agricultural UAV battery packs with 14S–24S series
configurations and a continuous operating current of up to 300 A.
It provides real-time monitoring of individual cell voltage, total pack
voltage, current, temperature and state of charge (SOC). Integrated MOSFET
output control and configurable protection functions help the battery pack
respond to abnormal voltage, current and temperature conditions during
charging, storage and flight operations.
For low-temperature applications, the EF-002 supports battery-heating
control. The heating function activates when the battery temperature falls
to 0°C or below and stops when the temperature reaches 10°C or above.
The maximum heating current is 10 A.
For UAV system integration, the BMS supports DroneCAN (UAVCAN) and MODBUS
communication protocols, together with CAN 2.0B and isolated UART interfaces.
| Supported Cell Config | 14S-24S | Temperature Sensing | 2 Channels |
| Max Continuous Current | 300 A | Temp Range | -40°C - 120°C |
| Standby Power | ≤15 mA (Sleep ≤150 μA) | Temp Accuracy | ±2°C |
| Cell Voltage Range | 0 V-5 V | Temp Sensor | NTC |
| Cell Voltage Accuracy | ±10 mV | SOC Accuracy | <5% |
| Total Voltage Range | 32 V-100 V | Operating Temp | -20 °C - 65 °C |
| Total Voltage Accuracy | ≤±1% | Operating Humidity | 5%-90% RH |
| Current Sensing Accuracy | ≤±1% | Communication | CAN (CAN2.0B/UVACAN) + BLE |
Compatible Battery Models
Ayaa BMS compatible high-performance lithium and semi-solid-state UAV battery configurations.
| 14S-24S BMS - Verified Compatible Battery Packs |
|---|
|
14S1P 51.8V 20000mAh 25C UAV Battery
14S1P 51.8V 22000mAh 25C UAV Battery
14S1P 51.8V 30000mAh 25C UAV Battery
18S1P 66.6V 30000mAh 35C UAV Battery
18S1P 66.6V 35000mAh 35C UAV Battery
Semi-Solid 14S1P 55.3V 24500mAh UAV Battery
Semi-Solid 14S1P 51.8V 31000mAh UAV Battery
Semi-Solid 14S1P 51.8V 35000mAh UAV Battery
Semi-Solid 18S1P 66.6V 31000mAh UAV Battery
Semi-Solid 18S1P 66.6V 35000mAh UAV Battery
Semi-Solid 18S1P 65.7V 39000mAh UAV Battery
Semi-Solid 18S2P 66.6V 90000mAh UAV Battery
Semi-Solid 24S2P 88.8V 70000mAh UAV Battery
|
Engineering Validation and Testing
Host Communication Testing
Verifies real-time battery-data acquisition, parameter response and communication stability under representative operating conditions.
Over-Discharge Protection Testing
Validates cell-voltage monitoring, protection thresholds and fault responses under low-voltage conditions.
Over-Charge Protection Testing
Validates cell-voltage monitoring, configurable protection thresholds and balancing behaviour during charging.
Standby Power Consumption Testing
Measures active-mode and sleep-mode current consumption to support battery-storage evaluation.
Technical FAQ for EF-002 Integration
short-circuit and temperature protection. Protection thresholds can be
configured according to the selected battery chemistry, pack configuration
and UAV application requirements.
Industry Experience
Clients Served
Countries Covered
Technical Specifications
Basic Parameter Settings (Tested at 25°C Ambient)
| No. | Parameter | Default Setting | Adjustable | Notes | |
|---|---|---|---|---|---|
| 1 | Cell Over-Charge Protection | Cell Over-Charge Voltage | 4350mV | Yes | Per-cell protection threshold |
| Over-Charge Protection Delay | 1.0S | Yes | Response time before action | ||
| Over-Charge Release Voltage | 4200mV | Yes | Auto-release when voltage drops | ||
| Over-Charge Release Condition | Discharge current >1A or voltage below release | - | - | ||
| 2 | Total Over-Charge Protection | Total Over-Charge Voltage | 4350mV × 18 = 78.3V | Yes | Pack-level protection |
| Total Over-Charge Delay | 1.0S | Yes | - | ||
| Total Over-Charge Release Voltage | 4200mV × 18 = 75.6V | Yes | - | ||
| Total Release Condition | Discharge current >1A or voltage below release | - | - | ||
| 3 | Rated Charge Current | 100A | Yes | Configurable per application | |
| 4 | MOS Over-Temperature Protection | MOS Over-Temperature Protection | 100°C | Yes | MOSFET thermal limit |
| MOS Release Temperature | 70°C | Yes | Recovery threshold | ||
| 5 | Cell Temperature Protection | Cell Temperature Protection | - | - | - |
| Charging Low-Temp Protection | 0°C | Yes | Cold weather cutoff | ||
| Charging Low-Temp Release | 10°C | Yes | - | ||
| Charging High-Temp Protection | 65°C | Yes | Thermal shutdown | ||
| Charging High-Temp Release | 55°C | Yes | - | ||
| 6 | SOC Estimation Accuracy | <5% | - | Requires 1 full charge-discharge cycle | |
| 7 | Power Consumption | Power Consumption | - | - | - |
| Operating Current | 6-15mA | - | Active mode draw | ||
| Low-Power / Sleep Current | ≤100μA | - | Standby mode | ||
| 8 | Balancing Function | Balancing Function | - | - | - |
| Activation Voltage | 4000mV | Preset | Cell matching threshold | ||
| Activation Voltage Difference | 50mV | - | Triggers when delta V > 50mV | ||
| Max Balancing Current | 70mA | - | Charge-only balancing | ||
PC & Mobile Diagnostic Tools
AYAA provides PC and mobile tools specifically for the EF-002 agricultural UAV BMS. Users can monitor battery status, view fault information, configure protection parameters, and perform calibration tasks.
Depending on the selected hardware configuration, PC tools support CAN 2.0B communication and optional RS485 interfaces. Mobile apps (iOS and Android BLE) are optional and provide wireless monitoring and diagnostic access.
Key Features
High-current battery management, configurable protection and communication integration for agricultural UAV operations.
Two-Channel Temperature Monitoring
Supports two NTC temperature-sensing channels for real-time thermal monitoring and configurable temperature protection.
DroneCAN and MODBUS Support
Supports DroneCAN (UAVCAN) and MODBUS communication for UAV system integration, battery-status reporting and parameter configuration.
CAN 2.0B and Isolated UART
Provides CAN 2.0B and isolated UART interfaces for UAV communication,diagnostics and project-specific integration.
Bluetooth Connectivity(Optional)
Optional BLE connectivity enables wireless battery-status monitoring and diagnostic access through the mobile app.
Battery-Heating Control
Supports battery-heating control for low-temperature UAV operations.Heating activates at ≤0°C and stops at ≥10°C, with a maximum heating current of 10 A.
Configurable Battery Protection
Provides configurable over-charge, over-discharge, over-current,short-circuit and temperature protection for demanding agricultural UAV operating conditions.
High-Current UAV Operation
Designed for 14S–24S agricultural UAV battery packs with up to 300 A continuous operating current under demanding flight loads.
SOC Monitoring and Passive Balancing
Provides SOC estimation, passive cell balancing and real-time battery telemetry to support stable battery-pack management during UAV operations.
Applications
Powering a wide range of UAV and aerial system applications
Crop Monitoring UAVs
Reliable battery telemetry and configurable protection for crop monitoring, multispectral imaging and field-data collection missions.
Agricultural Spraying Drones
High-current battery management for spraying, fertilisation and crop-protection UAVs operating under demanding flight loads.
Agricultural Mapping Drones
Stable battery-status reporting for agricultural surveying, mapping and precision-farming applications.
Orchard and Forestry UAVs
Battery-heating control and configurable protection for UAV operations in orchards, forestry areas and low-temperature outdoor environments.
Agricultural Logistics Drones
High-current BMS support for UAV platforms carrying agricultural materials, tools and field supplies.
Autonomous Agricultural UAV Platforms
DroneCAN (UAVCAN) and MODBUS communication support for intelligent agricultural UAV systems and automated field operations.
Need a High-Current Smart BMS for Your Agricultural UAV Battery Pack?
The EF-002 is designed for 14S–24S agricultural UAV battery packs with
up to 300 A continuous operating current, DroneCAN (UAVCAN) and MODBUS
support, CAN 2.0B, isolated UART, configurable protection parameters and
battery-heating control.
Send us your battery-pack configuration, current requirements and
communication-interface requirements. Our engineering team will recommend
a suitable EF-002 configuration.
- 14S–24S Battery Packs
- 300 A Continuous Operating Current
- DroneCAN (UAVCAN) / MODBUS
- CAN 2.0B + Isolated UART
- Battery-Heating Control
- OEM / ODM Configuration
Request Technical Proposal
UAV Power Engineers respond within 12 hours