3.7V 3Ah Lithium-ion Battery Cell – Ideal for Audio Players and Portable Devices

Product Description:

The 3.7V 3Ah Lithium-ion Cell is a compact, high-capacity rechargeable battery, specifically designed for audio players, portable speakers, handheld devices, and compact electronics. Built with Grade A lithium-ion chemistry, this cell ensures long battery life, stable performance, and excellent energy density. Suitable for use in custom electronics or OEM applications requiring lightweight and efficient power.

Key Features:

• Battery Type: Lithium-ion Rechargeable Cell

• Nominal Voltage: 3.7V DC

• Rated Capacity: 3Ah (3000mAh)

• Energy: ~11.1Wh

• Cell Type: 18650 / Flat Pack / Pouch (as per model)

• Discharge Current:

  • Standard: 1C (3A)

  • Peak: Up to 2C (6A)

• Charging Voltage: 4.2V max

• Protection Circuit: Optional PCM/BMS (on request)

• Cycle Life: ≥ 500 charge cycles

• Dimensions: Varies by format (available upon request)

• Weight: Approx. 45–60g (depends on model)

• Connector Type: Bare wire / JST / Custom (optional)

Applications:

• Portable audio players

• Bluetooth speakers

• MP3/MP4 devices

• Smart gadgets and toys

• DIY electronics

• Low-power embedded systems