ML-2020/F1AN Panasonic - BSG, ML-2020/F1AN Datasheet

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ML-2020/F1AN

Manufacturer Part Number
ML-2020/F1AN
Description
BATTERY LITH 3V RECHARGE W/TABS
Manufacturer
Panasonic - BSG
Series
ML2020r
Datasheets

Specifications of ML-2020/F1AN

Voltage - Rated
3V
Standard Charge Current
*
Standard Charge Time
*
Weight
0.03 oz (0.85g)
Battery Chemistry
Lithium
Battery Cell Size
Coin 20mm
Capacity
45mAh
Size / Dimension
0.79" Dia x 0.08" H (20.0mm x 2.0mm)
Termination Style
Solder Tab
Lead Free Status / RoHS Status
Lead free / RoHS compliant by exemption
Other names
P664
* Consult with Panasonic concerning constant-current charging systems.
The charging circuit is crucial in terms of ensuring that full justice will be done to the battery characteristics.
Consider it carefully as the wrong charging circuit can cause trouble.
I Precautions regarding the charge voltage setting
I Charge voltage range
If a fixed-charging method is applied, please adhere to the specified charging voltage.
Guaranteed voltage is 2.8V to 3.2V at the temperature of -20°C to 60 °C.
* If the charging voltage exceeds the specifications, the internal resistance of the battery will rise and may
* It is not possible for the battery capacity to recover completely when the charging voltage is below the speci-
I Recommended charging circuits
I Mixed usage of batteries
Do not use these batteries and lithium primary batteries or other rechargeable batteries together, and do
not use new batteries and old batteries together even if they are of the same type.
I Charging circuits
Chapter
Charging system*
Operating temperature
Charging/discharging cycle
Under no circumstances should trickle charging, which is used for nickel-cadmium batteries, be used. Ignoring
this precaution will cause the battery voltage to rise to about 5V, resulting in a deterioration of performance.
cause battery deterioration. Also, with a charge voltage around 4V, corrosion of the
occur, causing leakage. ("Influence of the charge voltage on ML batteries" in chapter 3-61.)
fication.
G Basic conditions
Charge voltage: 2.8 to 3.2V (Standard voltage: 3.1V)
Charge current: For a battery voltage of 2.5V
ML414
ML421
ML614
ML621
ML920, ML1220
ML2020
Fixed-voltage charge
2006
3 - 60
........................
........................
........................
........................
........................
............
0V
5V
Approx. 1,000 times at 10% discharge depth to nominal capacity
Constant-voltage charging (Please strictly adhere to the specified charge voltage)
-20°C to +60°C
Approx. 0.1 mA or below
Approx. 0.3 mA or below
Approx. 0.6 mA or below
Approx. 1.2 mA or below
Approx. 3.0 mA or below
Approx. 0.15 mA or below
wrong
ML
Charging
3.3V
0V
right
3.1V
ML
+
terminal (case) may

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ML-2020/F1AN Summary of contents

Page 1

... If the charging voltage exceeds the specifications, the internal resistance of the battery will rise and may cause battery deterioration. Also, with a charge voltage around 4V, corrosion of the occur, causing leakage. ("Influence of the charge voltage on ML batteries" in chapter 3-61 not possible for the battery capacity to recover completely when the charging voltage is below the speci- fication ...

Page 2

... Patent acquired G Influence of the charge voltage on ML batteries If the charge voltage goes beyond its adequate range, battery performance may deteriorate early. Be sure to observe the guaranteed charge voltage. 3.5 Early battery deterioration region withstand voltage limit Adequate charge voltage range 3.0 (guaranteed specified value) 2 ...

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