New lipo li polymer li-ion battery 3.7v 4000mah rechargeable battery for walkie talkie

New lipo li polymer li-ion battery 3.7v 4000mah rechargeable battery for walkie talkie

2.Voltage:3.7v
3.Capacity: 4000mAh
4.Weight: 75g

5.Dimention: 5.0*65*110mm

6.Impedance: 40

Parameter Table:

Nominal Capacity: 4000mAh(@0.2C Discharge )

Nominal Voltage: 3.7V(@0.2C Discharge )

Charging Voltage: 4.2V±0.5V

Standard Charge Current: 0.2C   

End Voltage: 4.2V

Maximum Charge Current: 1.0C

Standard Discharge Current: 0.5C

End Voltage: 3V

Maximum Discharge Current: 1.0C 

Demension: 5.0*65*110mm  Thickness×Width×Length

Weight: Approx.75g±0.5

Operating Temperature Discharge: -20°C~ +55°C
Charge: 0 °C~ +45°C

Storage Temperature: -10°C~ +55°C

Cycle Life: 700 times

Self-discharge Residual Capacity>90%

Product Advantages:

1) Environmental friendly

2) High density of energy

3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 or 1000 times

7) No memory effect

8) Doesn’t contain Mercury, No fire, No explosion, No leakage

9) Very good and quick charge, capability can be charged to 90% within 10 min.

10) Thickness can be adjusted while width and height keep the same

Major Application:

1)MP3/MP4 player, bluetooth, speakers, car GPS and all possible electronics products 

2)Widely applied in Telecommunications, Audio and Video Devices, Information Devices...Etc.

Company Information

A professional battery manufacturer

Shenzhen Eastar Battery Co., Ltd was set up in 1997. Our main products include dry batteries ( carbon & alkaline), lead-acid batteries(General batteries, Auto batteries), Ni-MH/Ni-CD batteries and packs, Lithium batteries ( Li-ion, Li-PO). With six manufacturing facilities of around 200,000 square meters, and a team of highly qualified staff, Eastar grew up as a professional battery group in Southern China.

Quality is our life

As a battery manufacturing group, we have separate factory located in Guangzhou, Shenzhen and Xingfeng for different battery types. We understand well on the importance of the quality, so we invested much on the advanced production facilities and testing equipments. We have a powerful R&D and skillful worker group. Based on ISO9001, we built up a complete quality control system. We always keep ourselves working ahead on technology and quality control in battery field.

The best services to you

We built up our sales team with 20 saleswomen/ salesmen in down town Shenzhen. Our team is a experienced sales team, Our motto is: EVERY TIME THE BEST SERVICES TO EVERY CUSTOMER. We are good at both ODM orders and OEM projects. If you are in battery business, come to us, I believe you will find that you are working with the right partner: Shenzhen Eastar Battery Co., Ltd