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  >>Li-ion polymer battery-- XL 3448 series  
 
XL 3448 series have a combination of high energy density, super light and ultra thin. It's a perfect power source solution for mobile phone (such as Nokia? 3310/3330), small PDAs and other handheld device.
 
Nominal voltage
3.7V
C ut-off voltage
3.0V

Standard charge

method

C harging the cell initially with constant current at 0.5C and then with constant voltage at 4.2V till charge current < 0. 1 C
Max. c harge c urrent
1C
Max. disc harge c urrent
1 C
Standard charge

0.5C 5hrs

Rapid charge
1C 2.5hrs

Operating t emperature

 
C
F

Charging

Discharging

Storage

0C ~ 45C

-20C ~ 60C

-20 C ~ 45C

32 F ~ 113 F

-4 F ~ 140 F

-4 F ~ 113 F

Cell dimension

 
mm
inch

Length

Width

48.0 0.5

34.0 0.5

1.89 0.02

1.34 0.02

Cycle Life >= 5 00 Cycles (@0.2C discharge, 23 C )
Self-discharge Residual capacity > 90% (@25 C 2 C , 30 days)
 

Model

Max Thickness

Capacity (mAh) *1
Impedance *2 Max (mohm)
Cell Weight *3
mm
inch
Minimum

Typical

Gram

Ounce

383448

3.90

0.153
530
560

100

11.5

0.41

433448

4.50
0.177
620
650

90

13.0

0.46

503448
5.20
0.205
710
740

80

15.5

0.55

563448

5.80

0.232

790

830

70
17.5
0.62
623448
6.40

0.252

880

930

60

19.0
0.67
 
Remark:
*1 @ 0.2C discharge, 23 C
*2 Impedance is m easured at AC 1KHz after Standard Charge.
*3 Cell weight is the approximate value for reference.
 
Cell Dimension Drawing (unit: mm)
 
 
 
Model:573448
 
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