Battery Of Bluetooth Headphones 300mah

Battery Of Bluetooth Headphones 300mah

Batteries: 3.7v 300mAh lipo battery
Charge voltage: 4.2V
Nominal voltage: 3.7V
Nominal capacity: 250mAh 0.2C Discharge
Charge current: Standard Charging: 0.5C Rapid charge: 1.0C
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Description

Introduction

 

 

The battery of Bluetooth headphones 300mAh uses a 3.7V Li-Po cell. It is small and lightweight, suitable for audio devices with high space and reliability requirements.

 

Advantage

 

 

Long-Lasting Power
The 300mAh capacity provides stable battery life within a compact size.

 

High Safety
Passed a 1-meter drop test with no fire or leakage.

 

Fast Charging
This Bluetooth headphone's lithium polymer battery supports up to 1.0C fast charging, fully charging in approximately 2 hours.

 

Stable Cycle Life
≥300 charge-discharge cycles with low capacity decay, suitable for Bluetooth audio devices used for extended periods.

 

Specification

 

 

Items

Specifications

Batteries

3.7v 300mAh lipo battery

Charge voltage

4.2V

Nominal voltage

3.7V

Nominal capacity

250mAh 0.2C Discharge

Charge current

Standard Charging: 0.5C Rapid charge: 1.0C

Standard Charging Method

0.5C CC (constant current) charge to 4.2V, then CV (constant voltage 4.2V) charge till charge current decline to ≤0.05C

Charging time

Standard Charging: 2.75hours(Ref.) Rapid charge: 2hours(Ref.)

Max. charge current

1.0C

Max. discharge current

1.0C

Discharge cut-off voltage

2.75V(0.2C)

Operating temperature

Charging: 0 °C ~45 °C Discharging:0 °C ~45 °Carging: 0 °C ~45 °C

Discharging:Storage temperature0 °C ~45 °C

-10°C~ +45 °C

Dimension

Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm

Drop Test

The cell is to be dropped from a height of meters twice onto concrete ground. No fire, no leakage

Cycle time

≥300times

 

Customization

 

 

Customizable Item

Customizable Content

Cell Dimensions

Length, width, thickness 

Voltage

3.7V / 3.8V / 4.2V

Capacity

Tens to thousands of mAh

Discharge Rate

1C ~ >3C

Fast Charging

Standard or rapid charge

Protection Circuit

Overcharge, over-discharge, overcurrent, short-circuit, temperature control

Smart Management

Optional Bluetooth, I²C, or SMBus integration

Packaging & Connectors

Wire length, terminal type, and connector customization

 

Our Certificate

 

 

We possess CCC certification, ISO 9001 quality system certification, KC certification, UL certification, RoHS standard certification, two invention patents, and one utility model patent.

 

FAQ

Q: Can you provide OEM/ODM customization services?

A: Yes, we provide worldwide OEM customization, including cell dimensions, voltage, capacity, discharge rate, protection circuit, and connectors to meet different product needs and applications.

Q: Could I get a sample for checking the quality?

A: Sample testing is available. Please click here to get the sample policy.

Q: What's the lead time of production?

A: It depends on the order quantity. Normally, the lead time is about 5-7 working days for a mass order.

Q: What kinds of payment can I pay with?

A: L/C, T/T Bank transfer, Paypal, Western Union, Alibaba Trade Assurance.

Q: How about the warranty time?

A: Our products come with a 12-month warranty, 100% replacement for free if a quality problem occurs.

 

 

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