D
ata Sheet
Characteristics
CLB2032
Coin Type Lithium-ion Rechargeable Battery
ø20
(–)
(+)
3.45
Discharge load characteristics
Charge characteristics Discharge temperature characteristics
Cycle life characteristics
100
50
0
Charge capacity (%)
Unit: mm
*1 Dimensions and weight are for the battery itself, but may vary depending on terminal specifications and other factors.
*2 100% charged
*3 Nominal capacity is according to the following conditions: Charge: 0.5
I
t
A/4.2V (CCCV)/End current 0.03I
t
A,
Discharge: 0.2
I
t
A/E.V. = 3.0V, Temperature 20 deg. C
Maxell, Ltd.
Model
CLB2032
Initial
dimensions
(mm)
*1
Diameter
20
Height
*2
3.45
Weight (g)
*1
3.0
Charge
(CCCV)
Max. voltage (V)
4.2
Standard current (mA)
35
Temperature (deg. C)
0 to +45
Discharge
(CC)
End voltage (V)
3.0
Max. current (mA)
140
Temperature (deg. C)
‒20 to +60
Nominal voltage (V)
3.7
Nominal capacity (mAh)
*3
70
• UL 1642 Recognized models (Technician Replaceable):
Certification Number: MH12568
• IEC 62133-2 Recognized models
• UN 38.3 (Dangerous goods transportation regulations)
Recognized models
20.06
0 0.5 1.0 1.5 2.0 3.02.5
4.5
4.0
3.5
3.0
2.5
2.0
Cell voltage (V)
Time (hour)
50
40
30
20
10
0
Charge current (mA)
Charge current
Cell voltage
Charge: 35mA (0.5I
t
A)/4.2V (CCCV)/
End current 2mA
Temperature: 20 deg. C
Charge capacity
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
Cell voltage (V)
Capacity (mAh)
0 80604020 70503010
60 deg. C
Charge: 35mA (0.5I
t
A)/4.2V (CCCV)/End current 2mA
Discharge: 14mA (0.2I
t
A) (E.V. = 3.0V)
20 deg. C
4.4
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Cell voltage (V)
Capacity (mAh)
0.5
I
t
A (35mA)
Charge: 35mA (0.5I
t
A)/4.2V (CCCV)/End current 2mA
Temperature: 20 deg. C
0 20 40 806010 30 7050
0 100 200 300 400 500
Cycle number (cycle)
80
70
60
50
40
30
20
10
0
Capacity (mAh)
Charge: 35mA (0.5I
t
A)/4.2V (CCCV)/End current 2mA
Discharge: 14mA (0.2I
t
A) (E.V. = 3.0V)
Temperature: 20 deg. C
0 deg. C
–10 deg. C
–20 deg. C
0.2
I
t
A (14mA)
1
I
t
A (70mA)
2I
t
A (140mA)
• Data and dimensions are not guaranteed. For further details,
please contact us at your nearest Maxell office.
• Contents on this website are subject to change without notice.