4S1P 14.4V 3500mAh Li-ion Battery – 4x18650 Pack

High-Performance Rechargeable Lithium-Ion Battery

Rechargeable Li-ion battery consisting of 4 18650 cells connected in series (4S1P configuration), delivering a nominal voltage of 14.4V and a capacity of 3500mAh.

Designed for equipment installations, repairs, and integrations that require a stable and compact 14.4V power supply (16.8V at full load).

Electrical Architecture

• Configuration: 4S1P

• Rated voltage: 14.4V

• Full-load voltage: 16.8V

• Capacity: 3500mAh

• Output: solder tabs

⚠️ BMS not included — a 4S BMS is required depending on the application.

Technical Specifications

• Technology: Lithium-Ion (Li-ion)

• Cell size: 18650

• Number of cells: 4

• Energy: 50.4 Wh

• Dimensions: 65.5 × 37 × 37 mm

• Estimated weight: ~190 g

• Rechargeable: Yes

Compatible Apps

Suitable for systems using a 14.4V / 14.8V / 16.8V Li-ion power supply:

• Power Tools

• High-Power Professional Lamps

• Robot Vacuum Cleaners

• Drones and Onboard Systems

• Portable Medical Equipment

• Measuring Instruments

• DIY Projects and Prototyping

Compatibility depends on the BMS, the connectors, and the mechanical footprint.

Custom Assembly

Assembly available by the workshop:

• BMS integration

• specific connectors

• custom wiring

• professional heat-shrink tubing