BEI Maximus UL 17A Drone Battery | 6S1P 23.16V 18Ah High-Performance UAV Pack

 

The BEI Maximus UL 17A Drone Battery is a high-performance UAV battery pack designed for demanding aerospace, defense, and professional drone systems. Built using BEI Maximus UL 17A high-energy cells, this 6S1P configuration delivers an excellent balance of energy density, power output, and reliability for advanced unmanned aerial vehicles (UAVs), drone platforms, and aerospace robotics.

Cell Datasheet

With 416.9 Wh of energy and up to 170A pulse discharge capability, this high-performance drone battery supports heavy-lift drones, long-endurance UAV platforms, defense drone systems, and high-power propulsion architectures used in aerospace and autonomous aerial systems. The pack operates across a wide environmental range and supports discharge temperatures down to −35°C, making it suitable for demanding field, aerospace, and defense operating conditions.

The compact form factor and high power output make this battery ideal for UAV integrators, aerospace developers, defense programs, drone manufacturers, and robotics teams building next-generation unmanned aircraft, autonomous drones, and high-performance aerial platforms that require reliable high-energy UAV power systems.

 

Technical Specifications

 

Configuration: 6S1P

Nominal Voltage: 23.16 V

Charge Voltage: 25.8 V

Discharge Cutoff Voltage: 18.0 V

Capacity

Typical: 18.0 Ah (0.1C)

Rated: 17.2 Ah (0.2C)

Energy

Typical: 416.9 Wh

Rated: 398.4 Wh

Gravimetric Energy Density: 344 Wh/kg

Charge Current

Standard: 3.4 A (0.2C)

Maximum: 17 A (1C)

Discharge Current

Standard: 3.4 A (0.2C)

Maximum Continuous: 136 A (8C)

Maximum Pulse (≤10 sec): 170 A (10C)

Internal Resistance: 11 mΩ (ACIR, 1 kHz @ 30% SOC)

 

Environmental Specifications

Charge Temperature: +10°C to +45°C

Discharge Temperature: −35°C to +45°C

Storage Temperature: 0°C to +45°C

 

Mechanical Specifications

Dimensions: 158 × 95 × 53 mm

Weight: 1.24 kg

 

Availability

Lead Time: Approximately 3 weeks

For full datasheets, integration details, or custom battery configurations, please contact our