China Li-ion Battery Manufacturer OEM Medical Equipment Battery UFX 303448 400mAh 3.7V High Quality Rechargeable Battery

1、Mechanical Characteristics

Cell:

UFX303448

PCM:

Yes

NTC:

No

Weight:

appr. 8g

Configuration:

1S1P

Capacity:

400mAh

Nominal Voltage:

3.7V

Energy:

1.48Wh

Internal Impedance：

less than 200mΩ

Max. Charge Voltage:

4.2V

Discharge Cut Off:

2.75V

Max. Charge Current:

400mA

Max. Discharge Current:

400mA

Standard Charge Current:

80mA

80mA

Charge Temp. Range:

10°C to 45°C

-20°C to 60°C

Storage Temp. Range

1 year at -20℃ to +30℃ 

100 cycles ≥92% 

3 moths at -20℃ to +45℃

1 month at -20℃ to +60℃

500 cycles ≥80%  

 3、Cell protection

Overcharge Detection ：

4.28 ±25mV (1 to 1.6sec delay, release 4.2V ±50mV)

Overdischarge Detection：

2.5V ±50mV (115 to 175msec. delay, release 3.0V ±50mV)

Overcurrent Detection：

2.5A to 4.0A (9 to 15msec. delay)

Short protection：

Yes

4、Discharge Rate Characteristics

4、Cycle life Characteristics