Ansmann Li-Ion Battery Pack 4S1P 14.4 V 3350 mAh 4x 18650 with Cable

For technicians and hobbyists assembling custom battery-powered equipment, this Ansmann Li-Ion battery pack provides a reliable 14.4 V source with a 3350 mAh capacity. It uses four 18650 cells in a 4S1P configuration, delivering stable power for demanding applications.

Key specifications

• Battery type: Lithium-Ion (Li-Ion)
• Nominal voltage: 14.4 V
• Capacity: 3350 mAh
• Energy: 48.24 Wh
• Cell configuration: 4S1P (4 series, 1 parallel)
• Number of cells: 4
• Cell size: 18650
• Max. charge voltage: 16.8 V
• Min. discharge voltage: 10.0 V
• Max. continuous discharge current: 6.7 A
• Max. peak discharge current: 10 A (5 seconds)
• Max. charge current: 3.35 A
• Integrated protection circuit: Yes (BMS for overcharge, overdischarge, short circuit, overcurrent, temperature)
• Connector type: Open wire ends (tinned leads)
• Cable length: 150 mm
• Operating temperature (discharge): -20°C to +60°C
• Operating temperature (charge): 0°C to +45°C
• Cycle life: >500 cycles (to 80% capacity retention)
• Housing material: PVC shrink wrap

Why choose it

The integrated BMS protects against common battery failures, extending service life. The 18650 cells offer a proven balance of energy density and reliability, making this pack suitable for both prototyping and production use.

Ideal use cases

• Custom power tool battery replacements
• Portable electronics projects
• Robotics and automation systems
• Medical devices requiring stable voltage

Good to know

The pack is wrapped in PVC shrink wrap for insulation and mechanical protection. Open wire ends allow flexible connection to your own circuitry or connectors.