Customized 3.7V 2500mAh Rechargeable 505590 li-polymer battery

No.	Item	Spec	Note
1	Model Number	505590 / 2500mAh
2	Charge Limited Voltage	4.2V
3	Nominal Voltage	3.7V	Cell shipping Voltage between 3.6V ~3.9V before
4	Nominal Capacity	2500mAh@ 0.2C Discharge	Nominal Capacity refers to the capacity of 0.2C discharge with 2.75V cut-off voltage, after charging with standard method.
5	Cycle Life	300 Times	One cycle refer to one charge period and then one discharge period. Test condition: Charge: 0.2C to 4.2V Discharge: 0.2C to 2.75V The cycle life is the cycle times when the discharge capacity is about 80% of the rated capacity.
6	Self-discharge	Residual Capacity>90%	After standard charging, storied at 25°C±0.5°C for 30 days, then measure the capacity as item 4.
7	Impedance	Typical: 37mΩ	After standard charging, measure the internal resistance with AC1KHz
8	Max. Charge Current	1C
9	Max. Discharge Current	1C
10	Discharge Cut-off Voltage	2.75V
11	Operating Temperature	Discharge:-10°C ~ +55°C Charge: 0 °C ~ +43°C	Cells must be storied at 3.6V-3.9V. During long period storage, cells should be maintained every 90 days. The method is to do a charge-discharge cycle with standard method, then charge to 3.7— 3.9V.
12	Storage Temperature	-20 °C ~+45°C
13	Cell Weight	Approx: 75.0g
14	Cell Dimension	Length： 90.5mm Max Width： 55.5mm Max Thickness： 5.5mm Max	Measured with weighting 300gf at 25°C±0.5°C Not including Tabs
15	Connector type	JST SYP-02T-1 + socket	2.54mm*2pins

Customized 3.7V 2500mAh Rechargeable 505590 li-polymer battery Size 5.5*55*90mm