ANSMANN Li-Ion Battery Pack 4S2P 8x 18650 14.4V 5100mAh with Cable (2447-3035-50)

Many cordless power tools and devices depend on a reliable, high-capacity battery pack, but finding a replacement that matches the original voltage and dimensions can be difficult. The ANSMANN Li-Ion Battery Pack 4S2P 8x 18650 14.4V 5100mAh with Cable (model 2447-3035-50) solves this problem by providing a robust, ready-to-connect energy source for custom or repair projects.

Who is it for

This battery pack is intended for technicians, hobbyists, and manufacturers who need a 14.4V lithium-ion power source with open cable ends for integration into existing devices or new builds. It suits applications that require a stable voltage and moderate discharge current, such as cordless tools, robotics, or portable equipment.

Main features

• Lithium-ion chemistry with 4S2P configuration using 8x 18650 cells
• Nominal voltage of 14.4V and capacity of 5100mAh (73.44Wh)
• Integrated battery management system (BMS) for overcharge, over-discharge, overcurrent, short circuit, and temperature protection
• Open cable ends for flexible connection
• Maximum continuous discharge current of 10A
• Operating temperature range: -20°C to +60°C (discharge), 0°C to +45°C (charge)

Specifications

• Battery Chemistry: Lithium-Ion (Li-Ion)
• Nominal Voltage: 14.4 V
• Capacity: 5100 mAh (5.1 Ah)
• Energy: 73.44 Wh
• Cell Configuration: 4S2P
• Number of Cells: 8
• Cell Type: 18650
• Max Charging Voltage: 16.8 V
• Min Discharge Voltage (Cut-off): 11.0 V
• Max Continuous Discharge Current: 10 A
• Integrated Protection: Yes (BMS)
• Connection Type: Open Cable Ends
• Operating Temperature (Discharge): -20°C to +60°C
• Operating Temperature (Charge): 0°C to +45°C
• Cycle Life: >300 cycles (to 80% capacity)
• Charging Method: CC/CV
• Self-Discharge Rate: <5% per month

Tips

Before connecting, ensure that the device's voltage requirements match the pack's nominal 14.4V and that the continuous current draw does not exceed 10A. Use a compatible Li-ion charger with CC/CV profile and respect the charging temperature limits. Always secure the battery pack to prevent vibration damage and short circuits.