EV Battery Cell – 3.7V 3000mAh Lithium-ion for Audio Player

Product Overview:
This 3.7V 3000mAh lithium-ion battery cell provides reliable, long-lasting power for portable audio players and similar electronic devices. Its high energy density and stable discharge make it ideal for applications requiring consistent performance over extended playback times.

Technical Specifications

• Nominal Voltage: 3.7V

• Capacity: 3000mAh (3.0Ah)

• Full Charge Voltage: 4.2V

• Energy: 11.1Wh

• Typical Discharge Current: Suitable for low to moderate drain devices

• Cycle Life: 300 – 600+ charge cycles

• Battery Type: Lithium-ion (Li-ion)

• Dimensions: Approx. 18mm diameter × 65mm length (standard 18650 format)

• Weight: Approximately 45–50 grams

Features

• High capacity for extended audio playback

• Compact and lightweight for portable devices

• Stable voltage output for consistent sound quality

• Low self-discharge for longer standby times

• Rechargeable and environmentally friendly

• Compatible with standard lithium-ion chargers

Applications

• Portable audio players and MP3 devices

• Bluetooth speakers and headphones

• Handheld music devices

• Other low to medium power electronic gadgets

Charging Guidelines

• Use a charger designed for lithium-ion batteries with CC/CV charging method

• Charge voltage: 4.2V max per cell

• Recommended charging current: 0.5C to 1C (1.5A to 3A)

• Typical charge time: 2 to 4 hours

Safety and Handling

• Avoid short circuiting battery terminals

• Do not expose to extreme heat or puncture the battery

• Use with compatible chargers only

• Store in a cool, dry place when not in use