INR21700 RS50 High-Rate Low-Temperature Li-Ion Battery, 70A Discharge, 5000mAh, 3.6V, for Drones and Industrial Power Tools at -40°C

Designed for demanding equipment operating in extreme cold, the INR21700 RS50 high-rate lithium-ion battery delivers 3.6V, 5000mAh capacity, and up to 70A discharge performance. Its advanced low-temperature design supports reliable operation at temperatures down to -40°C, making it suitable for drones, industrial power tools, robotics, emergency equipment, and other high-power applications. The 21700 cylindrical format provides higher energy density and longer runtime than many smaller cells while maintaining strong current output under heavy loads. Stable voltage delivery helps motors, controllers, and electronic systems start quickly and operate efficiently in harsh winter conditions. This battery can be integrated into customized packs with protection circuits, connectors, wiring, temperature sensors, and tailored series-parallel configurations. It is an ideal choice for manufacturers seeking a compact, rechargeable power solution that combines high capacity, strong discharge capability, and dependable cold-weather performance for professional and industrial equipment used in remote or challenging environments throughout demanding daily operations.

• High-Rate Discharge: Supports discharge currents of up to 70A, providing strong power for motors, controllers, and other demanding equipment.
• Extreme Low-Temperature Performance: Designed for reliable discharge operation in environments as cold as -40°C.
• 5000mAh High Capacity: Delivers extended runtime for drones, industrial tools, robotics, and portable high-power devices.
• Stable 3.6V Output: Maintains dependable voltage performance under heavy loads and challenging operating conditions.
• 21700 Cylindrical Format: Offers a practical combination of high energy density, strong discharge capability, and compact dimensions.
• Reliable Power Delivery: Helps high-power equipment start quickly and operate consistently in cold-weather environments.
• Rechargeable Design: Suitable for repeated use in professional, commercial, and industrial battery systems.
• Custom Battery Pack Options: Available with customized series-parallel configurations, protection circuits, connectors, wiring, and temperature sensors.

Application Areas

• Professional drones and unmanned aerial vehicles
• Electric drills, impact tools, and industrial power tools
• Robotics and automated equipment
• Outdoor inspection and maintenance devices
• Cold-climate communication equipment
• Emergency rescue and search equipment
• Remote monitoring and data collection systems
• Portable industrial instruments
• Winter construction and maintenance equipment
• High-power battery packs used in mountainous, polar, and refrigerated environments