batteries manufacturers in china

Specifications

3.7v rechargeable lithium polymer battery 803040 900mah for GPS/PDA/mp3/mp4 player and other digital devices

Specification:

Products show:

Application:

*Toy electric model

*Bluetooth headset,mobile phone,mp3/mp4 player,GPS

*Electronic cigarette,E-book,DVD

*Tablet pc,PDA,mini speaker

Advantages:

1)Competitive price,direct factory;s price

2)Quick delivery

3)High energy density

4)Safe performance

5)Environment friendly

6)No memory effect

7)Capacity,resistance,voltage,platform time consistency is good

8)Over-charge,over-discharge,over-current,short circuit protection circuit

9)Low self-discharge

10)Light weight

11)1.2m drop testing passed

Cycle life test

Carry out 500cycle

Charging/Discharging in the below condition.

*Charge:Standard Charge, per 3.3.1

*Discharge:0.5 C5A to 3.0 V

*Rest Time between charge/discharge:30min.

*Temperature:20±5°C

Leakage Proof

After full charge with standard charge, store at 60±3°C, 60±10%RH for 1 month no leakage(visiual inspection)

Vibration Test

After standard charging, fixed the cell to vibration table and subjected to vibration cycling that the frequency is to be varied at the rate of 1Hz per minute between 10Hz an 55Hz, the excursion of the vibration is 1.6mm. The cell shall be vibrated for 30 minutes per axis of XYZ axes.

Drop Test

The cell is to be dropped from a height of 1 meter twice onto concrete ground

Certificates and prduction process: