The PFVFNY 18650 battery pack is a lithium-ion unit designed for applications requiring a 24V power source. Below are its key specifications:

• Model Number: 18650
• Nominal Voltage: 24V
• Rated Voltage: 29.4V
• Capacity Range: 20Ah to 70Ah
• Configuration: 7S (7 cells in series)
• Dimensions: 240mm x 195mm x 115mm
• Weight: Approximately 3-5 kilograms
• Charging Voltage: 29.4V
• Charging Method: Constant Current/Constant Voltage (CC/CV)
• Charging Current: 0.2C (C-rate)
• Discharge Cut-off Voltage: 17.5V
• Continuous Discharge Current: 30A
• Operating Temperature Range: -20°C to 60°C
• Cycle Life: Approximately 1,500 cycles
• Integrated Protection: Includes a Battery Management System (BMS) that provides internal battery balancing and safeguards against overcurrent, undervoltage (over-discharge), and overvoltage conditions

The designation "18650" refers to the individual lithium-ion cells used within the battery pack, each measuring 18mm in diameter and 65mm in length. These cells typically have a nominal voltage of 3.6V to 3.7V and capacities ranging from 2,600mAh to 3,500mAh.

The integrated BMS is crucial for maintaining the health and safety of the battery pack, ensuring balanced charging and discharging, and protecting against potential electrical faults.

This battery pack is suitable for various applications that require a reliable 24V power source, such as electric bicycles, scooters, and other portable electronic devices.