Grade A BAK 45D 4500mAh 3.6V 30A Discharge Cell 600 Cycles MSDS Lithium Battery Shipping

The 45D 21700 lithium-ion power cell delivers dependable sustained power and excellent energy retention for custom battery builds. Featuring 4500mAh capacity and a 30A max continuous discharge rate, this rechargeable cell maintains steady voltage output under heavy loads.

Engineered with low internal resistance for balanced heat performance, it strikes a great balance between capacity and high-current capability. Perfect for medium-to-high power projects, providing consistent power supply and prolonged runtime.

• Extremely Low Internal Resistance: Adopted full-tab structure to shorten the current collection path, greatly cutting internal resistance compared with ordinary 21700 cells. Less power loss and better performance under medium-high current loads
• Excellent Thermal Management: Uniform current distribution across the electrode creates low and evenly distributed heat. It avoids local overheating and improves safety during long-duration discharge
• High Discharge Rate: 30A continuous discharge capability, perfectly matched for medium-to-high drain applications, balancing capacity and power output
• Lithium-Ion Chemistry: Carefully selected lithium-ion formulation delivers outstanding stability, high energy efficiency and inherently low internal resistance
• Rechargeable & Long-Lasting: Supports multiple charge cycles with minimal degradation
• Output Stability: Flat and stable voltage curve throughout the discharge process to guarantee uninterrupted continuous power supply
• Compact 21700 Size: Standard 21700 dimension, universally compatible for custom battery pack assembly and various electronic devices

• Aerospace: Provides lightweight, high-energy-density batteries for spacecraft, drones, UAV, and model aircraft
• Robotics: Supplies continuous power for high-load robots
• Lightweight Power Equipment: Assists with power for electric motorcycles, snowmobiles, electric bicycles, and other lightweight power tools
• Power Tools: Delivers high burst power for drills, angle grinders, electric saws, blow dryers, and other high-current tools
• Cleaning Appliances: Provides stable and lasting power for vacuum cleaners, mite removers, floor washers, steam mops, garden tools, and more, ensuring work efficiency and long battery life.
• Medical Electronics: Provides highly reliable power for life monitors, portable medical devices, and more