Tws Earphone Coin Cell - China

TWS Earphone Coin Cell

Competitiveness of GP Coin Cell Structure Design Structure with high security and efficient use of space makes cell capacity higher than domestic peer corporation.

Material Selection

Advanced materials technology platform satisfies the requirements of 3~5C fast charge and 4.35V high voltage performance.

Great Power earphone battery Capacity

Production capacity of 13000 pcs/day can meet the demand of big deals.

Automatic Equipment Advanced automatic production from large-scale screw feeder system to fully automatic screening system in packaging can ensure product consistency effectively Advanced Quality Management System

The mature supporting TS16949 system helps quality control of products throughout the whole process.

Manufacturing Traceability System

A smart factory's information platform capable of human-machine collaboration can realize real-time quality data collection through the production process, in-time control and post hoc analysis.

Six Patents of GP Coin Cell

Patent 1 (A coin cell case structure, coin cell and electrical equipment)

This patent is undergoing PCT process followed by entering the relevant countries for product sales.

Patent 2 (A coin lith-ion cell positive case)

The patent is to prevent the cell from bulging, deforming and corroding positive case.

Patent 3 (A coin lith-ion cell negative case)

The is the first patent in China to use a two-piece component to make coin lith-ion cell.

Vatar uses a three-piece component.

Patent 4 (A method for producing coin lith-ion cell having thick electrode)

This is China's first patent with electrode thickness greater than 0.2 mm

Patent 5 (A Li-MnO2 rechargable coin cell negative case and cell)

This is the first Li-MnO2 rechargable coin cell patent in China

Patent 6 (A coin lith-ion cell )

This is the earliest laminated coin lith-ion cell patent in China earphone battery Description

Model ICR1254 ICR1265 ICR1454 ICR1654 ICR9440 ICR1054 ICR1240 ICR1440

Nominal Voltage(V) 3.7V 3.7V 3.7V 3.7V 3.7V 3.7V 3.7V 3.7V

AC/IR (mΩ) ≤550 ≤500 ≤500 ≤450 ≤1000 ≤700 ≤700 ≤600

Capacity(C3)(mAh) 60 70 85 110 25 35 45 50

Continuous Discharge 1C

Continuous Charge.

2C

Cycle life ＞500Times

Workable temperature

Charge(℃) 0 to 45℃

Workable temperature

Discharge(℃) -20 to 60℃

Great Power earphone battery Size

Model Diameter D/mm Height H/mm

ICR7842 7.8±0.1 4.5±0.15

ICR9440 9.4±0.1 4.2±0.15

ICR1054 10.0±0.1 5.6±0.15

ICR1240 12.0±0.1 4.2±0.15

ICR1254 12.0±0.1 5.6±0.15

ICR12540 12.1±0.1 5.7±0.15

ICR1265 12.0±0.1 6.5±0.15

ICR1440 14.0±0.1 4.2±0.15

ICR1454 14.0±0.1 5.6±0.15

ICR14540 14.1±0.1 5.7±0.15

ICR1654 16.0±0.1 5.6±0.15

ICR16540 16.1±0.1 5.7±0.15 Great Power Coin Cell Safty Performance Item Environmental tests Reliability Testing Result Standard Final Result

1 Short Circuit Test@general Temprature No fire, no explosion, surface tempraure ≤150℃ GB31241 Pass

2 Short Circuit Test@ 55°C No fire, no explosion, surface tempraure ≤150℃ GB31241 Pass

3 Over Charge(3C/4.6V) No fire, no explosion GB31241 Pass

4 Over Discharge No fire, no explosion GB31241 Pass

5 Crush Test No fire, no explosion GB31241 Pass

6 Impact Test No fire, no explosion GB31241 Pass

7 Vibration Test No fire, no explosion GB31241 Pass

8 Drop Test No leak, no fire, no explosion GB31241 Pass

9 Heating Test 130° No fire, no explosion GB31241 Pass

10 Temperature Cycling Test No smoke, no fire, no explosion GB31241 Pass retention rate

% coverage rate

% voltage change rate

% internal resistence change rate

%

87.7% 102.0% 1.0% 9.1% The voltage remains above 3.9V for long storage time at room temperature.

visit our website for more Primary Battery

Company Contact:

• Posted By: Guangzhou Great Power Energy & Technology Co., Ltd.

• Phone: 15915994292

• Address: 912 Shiliang Rd (Xicun Section), Panyu , Guangzhou , China

• Email:

• Website: https://www.greatpower-battery.net

• Business Description: Great Power (listed on Shenzhen Growth Enterprise Market, Stock Code: 300438 ) was founded in 2001 with 281 million (RMB) registered capital.
  
  Our major products include primary batteries, such as Li-FeS2, Li-MnO2, and Zinc-Air battery, rechargeable batteries, such as Ni-MH, Polymer Li-ion, cylindrical Li-ion and square aluminum shell Lithium battery.
  
  After accomplishing the wide coverage of traditional consumer electronics batteries, Great Power has now fully entered the fields of new energy vehicle power battery system and associated AC & DC charging pile, household energy storage system, large scale on/off-grid energy storage system, and battery raw material recycling.
  
  Great Power is dedicated to be a top OEM & ODM manufacturer in China.
  
  After years of efforts, Great Power is now able to join hands with world famous companies and provide them with full battery and battery system solutions.