EV 7.4V 5.2Ah Li-ion Battery Pack – Built with 18650 BAK Cells

Product Description:

The 7.4V 5.2Ah Li-ion Battery Pack is a compact and efficient power solution designed with high-quality BAK 18650 lithium-ion cells. Using a 2S2P configuration (2 cells in series × 2 in parallel), this pack delivers stable 7.4V output and a total capacity of 5.2Ah. Suitable for use in electric scooters, e-bikes (accessory systems), robotics, portable medical equipment, GPS devices, and other low-voltage electric mobility applications. A built-in Battery Management System (BMS) ensures protection, safety, and long cycle life.

Key Features:

• Battery Type: Lithium-ion

• Cell Brand: BAK 18650 (Grade A cells)

• Configuration: 2S2P (2 series × 2 parallel)

• Nominal Voltage: 7.4V

• Max Charge Voltage: 8.4V

• Rated Capacity: 5.2Ah (5200mAh)

• Energy Output: ~38.48Wh

• Standard Discharge Current: 1C (5.2A)

• Peak Discharge Current: 2C (10.4A max)

• Cycle Life: ≥ 500 cycles at 80% DOD

• Integrated BMS Protection:

  • Overcharge

  • Over-discharge

  • Overcurrent

  • Short-circuit

• Connector Options: DC5521 / JST / XT30 / XT60 / Custom

• Enclosure: PVC shrink wrap or optional hard case

Technical Specifications:

Applications:

• Electric scooters and hoverboards (low-voltage systems)

• GPS trackers and IoT systems

• Robotics and automation projects

• Portable instruments and tools

• Battery-powered lighting

• Medical and communication devices