ANSMANN 4S1P Li-Ion Battery Pack 4x 18650 with Cable 14.5V 3500mAh (2447-3032-20)

This ANSMANN 4S1P battery pack solves the need for a reliable, rechargeable power source for custom devices requiring a 14.5V Li-Ion supply. It combines four 18650 cells in a 4S1P configuration with an integrated protection circuit, delivering 3500mAh capacity and a nominal voltage of 14.5V.

Who is it for

Ideal for engineers, hobbyists, and manufacturers integrating a compact, high-energy battery into portable equipment, robotics, or backup systems where a wired connection is required.

Main features

• Li-Ion chemistry with 4S1P configuration (4 cells in series, 1 in parallel)
• Nominal voltage: 14.5V, capacity: 3500mAh
• Integrated battery management system (BMS) for overcharge, over-discharge, overcurrent, and short circuit protection
• Open-ended cable for flexible connection
• Cell type: 18650

Specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Battery voltage: 14.5V
• Capacity: 3500mAh
• Energy content: 50.4Wh
• Cell configuration: 4S1P
• Number of cells: 4
• Cell type: 18650
• Max. continuous discharge current: 3.5A
• Max. charge current: 1.75A
• Operating temperature (charge): 0°C to +45°C
• Operating temperature (discharge): -20°C to +60°C
• Storage temperature: -20°C to +25°C
• Cycle life: >500 cycles (to 80% capacity)
• Self-discharge rate: <5% per month
• Safety features: Over-temperature protection
• Certifications: CE, RoHS, UN38.3 compliant

Tips

Ensure the connected device's voltage and current requirements match the pack's specifications. For optimal lifespan, store the battery in a cool, dry place and avoid deep discharges.