Lithium Ion
UF553939S
Dimensions
Features & Benefits
Specifications
Rated capacity(1)
Capacity(2)
Min. 1010mAh
• High energy density and
voltage
• Long, stable power with a
flat discharge voltage
• Ideal for portable
communications, portable
computing, and robotics.
Max. 38.90 mm
Min. 1010mAh
Typ. 1050mAh
Nominal voltage
Charging
3.7V
Max. 5.52 mm
CC-CV, Std. 1010mA, 4.20V, 3.0 hrs
19.4 g
(-)
Weight (max.)
Temperature
Charge:
Discharge:
Storage:
0 to +45°C
-20 to +60°C
-20 to +50°C
Energy density
Volumetric:
Gravimetric:
453 Wh/l
193 Wh/kg
(+)
(1) At 20°C (2) At 25°C
For Reference Only
Charge Characteristics
Cycle Life Characteristics
Charge: CC-CV 1C (max) 4.20V, 50mA cut-off at 20°C
Discharge: CC 1C, 3.0V cut-off at 20°C
Charge: CC-CV 1C (max) 4.20V, 20mA cut-off at 20°C
Discharge Characteristics (by temperature)
Discharge Characteristics (by rate of discharge)
Charge: CC-CV 1C (max) 4.20V, 3 hr cut-off at 20°C
Discharge: CC 1C, 2.5V cut-off at each temperature
Charge: CC-CV 1C (max) 4.20V, 3 hr cut-off at 20°C
Discharge: CC, 2.5V cut-off at 20°C
The data in this document is for descriptive purposes only and is not intended to make or imply any guarantee or warranty.
For more information on how Panasonic can assist you with your battery power solution needs, visit us at
www.panasonic.com/industrial/batteries-oem or e-mail secsales@us.panasonic.com.