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Niobium-Lithium Rechargeable Batteries (NBL series): Individual Specifications
NBL621
NBL621/F9D
■ Dimensions(mm)
■ Available Tab Configuration
Weight:0.25g
2.15
+
2.6
0.45
6
6
MAX. 9.9
6.8 +- 00.15
0.15
0.5
6.8 +0
-0.15
2.35±0.5
1.5±0.7
2.05
3.5
0.05
+0
2.15 -0.3
Note: This bare cell diagram is for size reference only. Please refer to the
tab configurations at the right for available tabs.
Notes:
A) To ensure proper electrical contact, it is recommended
that rechargeable coin cell batteries be used with tabs
for PC Board mounting. Please consult Panasonic
before planning a design that will use bare coin cells
without tabs (e.g. using a holder).
B) Please contact Panasonic for requests on custom tab
configurations. Minimum order requirements may
apply.
■ Specification
Nominal voltage (V)
2
Nominal capacity (mAh)
4
Continuous standard load (mA)
0.01
Operating temperature (C)
-20 ~ +60
■ Discharge characteristics
3.0
Temp
charge 2.5V-3K - 24h
discharge 100k (13µA)
Voltage(V)
2.5
2.0
1.5
1.0
0.5
0.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Discharge capacity(mAh)
■ Recovered capacity (According to charge voltage)
Discharge capacity (mAh)
6
ML621
5
NBL621
4
3
VL621
2
1
0
1.5
2.0
2.5
3.0
Charge voltage (V)
3.5
4.0
LITHIUM HANDBOOK
AUGUST 2003
This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications
are subject to modification without notice. Contact Panasonic for the latest information.