4S1P Li-ion Battery 14.4V / 16.8V 3.5Ah – 4x18650

Overview

14.4V / 16.8V (4S1P) lithium-ion battery configured with 4 high-performance 18650 cells. Designed for integration, assembly, and repair of battery packs, embedded systems, tools, and electronic projects requiring a compact and powerful power supply.

Technology and Performance

This battery utilizes Grade A Li-ion cells, offering:

• a stable nominal voltage of 14.4V (16.8V at full charge)

• a true capacity of 3.5Ah (3500 mAh)

• a total energy of 50.4 Wh

The 4S1P configuration ensures a voltage suitable for 14.4V systems while maintaining a compact form factor.

Technical Specifications

• Configuration: 4S1P (4 x 18650 cells)

• Technology: Lithium-ion (Li-ion)

• Nominal Voltage: 14.4 V

• Full Charge Voltage: 16.8 V

• Capacity: 3500 mAh (3.5Ah)

• Energy: 50.4 Wh

• Connection: Solder Tabs

• Rechargeable: Yes

• Dimensions: 73.5 x 65.5 x 18 mm

• Weight: ~180 g

⚠️ BMS protection not included — an application-specific protection circuit is required.

Applications

This battery is suitable for:

• electronic projects & embedded systems

• lightweight power tools

• custom battery packs

• solar kits & autonomous lighting

• robots, sensors & portable devices

Compatibility and Integration

Standard 18650 format with solder tabs facilitating integration into your custom assemblies.

robust design, high-quality cells for continuous operation.