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AYAA · SMART BMS FOR UAVs

EF-011 6S 45A Smart UAV BMS

A smart battery management system designed for 6S NMC Li-ion UAV battery packs, with cell and pack monitoring, configurable protection, passive balancing and access to live and historical battery data.

Request EF-011 Integration Review → Get Product Specification →
6S Supported NMC Li-ion Cells
≤30 A Rated Charge Current
≤45 A Continuous Discharge
Dronecan Supported FCP
84 × 55 × 11mm | 28.7g L*W*H | Weight

Is EF-011 Right for Your 6S UAV Battery Pack?

6S COMPATIBILITY CHECK

Confirm the pack before integration.

Please check whether your drone battery pack is compatible with the EF-011.

6S NMC Li-ion Series Connection
6 cells shown · 22.2V nominal · 16.5–26.28V BMS operating range
6S 45A Smart BMS with CAN 2.0B for Inspection Drones Six NMC lithium-ion cells are connected in series for the EF-011 UAV BMS. Each cell has a nominal voltage of 3.7 V, producing a 22.2 V nominal battery pack. Confirm that the intended pack remains within the 16.5–26.28 V BMS operating range. +− 6S NMC LI-ION CELLS · 3.7V NOMINAL PER CELL B−B+123456
Series connection path Cell positive connects to the next cell negative B− = Cell 1 negative · B+ = Cell 6 positive

SELECTED 6S1P BATTERY PACKS

6S 22.2V battery-pack options for EF-011 review

16.5–26.28V BMS RANGE
Soft Pack UAV Battery 10C
6S1P Configuration
22.2V Voltage
22Ah Capacity

22000mAh soft pack UAV battery

LiPo UAV Battery 15C
6S1P Configuration
22.2V Voltage
12Ah Capacity

12000mAh LiPo UAV battery

LiPo UAV Battery 25C
6S1P Configuration
22.2V Voltage
20Ah Capacity

20000mAh LiPo UAV battery

LiPo UAV Battery 25C
6S1P Configuration
22.2V Voltage
30Ah Capacity

30000mAh LiPo UAV battery

LiPo UAV Battery 25C
6S1P Configuration
22.2V Voltage
22Ah Capacity

22000mAh LiPo UAV battery

Soft Pack UAV Battery C-RATE TBC
6S1P Configuration
22.2V Voltage
22Ah Capacity

22000mAh soft pack UAV battery

EF-011 CHECK 6S configuration 16.5–26.28 V BMS operating range Up to 30 A rated charge Up to 45 A continuous discharge Confirm cell chemistry and harness rating
6S · COMMON PORT EF-011 6S 45A Smart UAV BMS 84 × 55 × 11 mm

EF-011 6S 45A Smart UAV BMS

Common charge/discharge port with isolated CAN 2.0B, 50 mA passive balancing and configurable protection.

≤30 A Charge ≤45 A Continuous 50 mA Balancing 28.7 g
Request a Compatibility Review →
6S NMC Li-ion Common Port Isolated CAN 2.0B

Key Specifications

Battery and Electrical
Configuration		 Specification
Product Model EF-011
Cell Chemistry NMC Li-ion
Supported Cell Configuration 6S
Nominal Cell Voltage 3.7 V
Port Configuration Common port
BMS Operating Voltage 16.5–26.28 V
Rated Charge Current ≤30 A
Continuous Discharge Current ≤45 A
Peak Discharge Current Up to 50 A
BMS Operating Temperature −20°C to 70°C
LED Indicators 3 LEDs
Dimensions|Weight 84 × 55 × 11 mm | 28.7 g
Measurement, Balancing and Communication Specification
Cell Voltage Measurement Range 0–5 V
Cell Voltage Accuracy ±5 mV
Pack Voltage Measurement Range 15–30 V
Pack Voltage Accuracy ±1%
Current Measurement Accuracy ±100 mA (<100 A); ±3% (<500 A)
Temperature Sensor 1 NTC channel
Temperature Measurement Range −40°C to 105°C
Temperature Accuracy ±2°C
SOC Accuracy 3%–5% after one complete charge/discharge cycle following initial power-on
Passive Balancing Current 50 mA
CAN Communication Isolated CAN 2.0B, 1000 kbps, BMS ID 20
EF-011 SMART UAV BMS FUNCTIONS

Protection, Communication & Battery Intelligence

Four operating scenarios: in-flight temperature warning, BMS precharge, multi-protocol communication and high-accuracy SOC estimation.

Inspection drone BMS exchanging battery data with a flight controller through multiple communication protocols

UAV Battery-System Integration

Product Test Video

EF-011 Functional Test Video

This section presents an EF-011 functional test video. Review the 6S battery-pack configuration, live battery data, protection status and CAN integration requirements before deployment.

EF-011 Customer Integration Cases

Standard EF-011 or an Engineering Review?

Request an Engineering Review →
6S NMC Li-ion UAV Battery Packs

Choose the Standard EF-011 When

•  The battery uses 6S NMC Li-ion cells
•  Rated charge current is ≤30 A
•  Continuous discharge is ≤45 A
•  CAN 2.0B matches the communication plan
•  The board dimensions fit the available space

UAV Battery-System Integration

Request an Engineering Review
When

•  The pack is not 6S or uses another chemistry
•  Continuous discharge exceeds 45 A
•  Peak-current requirements exceed the listed limit
•  A specific flight-control protocol is required
•  Mechanical or connector requirements differ

CUSTOM UAV POWER ENGINEERING

Need a UAV BMS Beyond the Standard EF-011 Configuration?

Our custom BMS process begins with requirement collection and product matching. When a standard product is not suitable, the engineering team can proceed with technical consultation, hardware and software development, integration testing, and delivery support.

Start a Custom Project
  1. 01 → Requirement Collection Share your battery-pack, UAV and operating requirements.
  2. 02 → Product Matching Check whether an existing Ayaa BMS configuration fits your project.
  3. 03 → Technical Consultation Confirm electrical, mechanical, communication and commercial requirements.
  4. 04 → Hardware & Software Development Develop the required BMS configuration when a standard model is not suitable.
  5. 05 → Integration Testing Verify the BMS configuration with the intended UAV battery system.
  6. 06 → Delivery & Technical Support Receive product documentation, protocol information and technical support for integration.

EF-011 Technical Information and Support

EF-011 Product Specification

Model, dimensions, electrical characteristics, protection settings, communication and port definitions. View Specification →

Wiring and Port Reference

Review B− P− P+, CN1, CAN H and CAN L definitions before connection. View Port Information →

Configuration Support

Request support for host-software parameter settings and data monitoring. Request Support →

Firmware Update Support

Confirm communication status before requesting a CAN or UART firmware update. Contact Technical →

Warranty Terms

Review warranty coverage, exclusions and latest-specification requirements. Request file →

Engineering FAQ

Can the EF-011 be customized for specific drone battery packs?+

Yes. The EF-011 can be customized to meet specific application requirements, including the operating current and flight control communication protocol.

What information do I need to provide to confirm the EF-011' compatibility?+

To confirm compatibility, please provide the battery pack specifications, required flight time, drone type/model, and flight control communication protocol.

What are the minimum order quantity, sample availability, and lead time for the EF-011?+

There is no minimum order quantity (MOQ). Samples are available. –If the EF-011 is in stock, the lead time is approximately 3 days. –If it is out of stock, the lead time is approximately 15 days.

What pre-shipment tests are available for the EF-011?+

Available tests include operating current, overcharge protection, over-discharge protection, high-temperature, and low-temperature testing, among others.

What warranty terms apply to the EF-011 drone battery management system (BMS)?+

The EF-011 comes with a one-year warranty. If the BMS is found to be defective within the warranty period under normal use and has been operated in accordance with the Smart BMS datasheet, We will provide repair or replacement service.

Under what circumstances should a customized drone battery management system (BMS) be chosen over the EF-011?+

A customized BMS is recommended when the EF-011' standard dimensions or operating current specifications do not meet the requirements of the specific drone or battery pack.

Recommended Products

EF-006 UAV BMS EF-007 UAV BMS EF-008 UAV BMS
Model EF-006 EF-007 EF-008
Battery Configuration 12S 12S 6S
Continuous Current 81A 120A 150A
Peak Current 180A 180A 300A
Communication DroneCAN (formerly UAVCAN/Cyphal) & PX4 & JIYIUAV & VKCAN & BOYINGCAN DroneCAN (formerly UAVCAN/Cyphal) & PX4 & JIYIUAV & VKCAN & BOYINGCAN DroneCAN (formerly UAVCAN/Cyphal) & PX4 & JIYIUAV & VKCAN & BOYINGCAN
Charger Protocol SKYRCCAN SKYRCCAN SKYRCCAN
Size 120 × 94 × 20 mm 95 × 85 × 16 mm 130 × 95 × 10 mm
Weight 95 g 118 g 120 g
Customization ✓ ✓ ✓
Inquire EF-006→ Inquire EF-007→ Inquire EF-008→

EF-011 UAV BMS INTEGRATION

Confirm Your
EF-011 Integration

Share your UAV battery-pack and flight-control requirements. Our team can help you confirm whether the EF-011 6S 45A smart BMS matches your integration needs.

6S NMC Li-ion battery pack
≤45 A Continuous discharge current
CAN 2.0B Isolated communication
EF-011 INTEGRATION REQUEST

Request an EF-011 Compatibility Review

6S · 45A · CAN 2.0B
✓Product compatibility review ✓Information used for technical follow-up