V 65 HT
Rechargeable Ni-MH Button
Data Sheet
Type Number:
55707
System:
Nickel Metal Hydride/
KOH Electrolyte
Nominal Voltage [V]:
1.2
Nominal Capacity C [mAh]:
65
Typical Capacity C [mAh]:
70
at 13 mA / 1.00 V
Weight, approx. [g]
4
Dimensions [mm]:
min.
max.
Diameter [d]:
15.4
15.5
Height [h]:
5.8
6.0
UL Recognition:
MH 13654 (N)
Coding:
Manufacturing 5 digit code
(123 = day/4 = year/ 5 = version)
Temperature Ranges [°C]
min.
max.
Storage: less than 30 days
-40
85
less than 90 days
-40
65
less than 1 year
-40
50
Discharge:
-20
85
Charge:
0
85
Charging Method:
Normal Charging:
6.5 mA for 14 – 16 h
Accelerated Charging (20°C):
13 mA for 7 h
Fast Charging:
32.5 mA for 3 h *
Time controlled, voltage control recommended
Trickle Charging:
1.95 mA
Overcharge (20°C):
6.5 mA continuous
13 mA up to 1 year
Charge Retention [%] at 20°C:
90
Capacity available after 1 month Storage at 20°C
Internal Resistance [Ohm]:
1.25
at charged cells, 20°C, DC: 0.2 CA/2 CA, (IEC 61951-2)
Impedance [Ohm]:
0.22
at charged cells, 20°C, AC: 1kHz, (IEC 61951-2)
Typical Capacities [mAh]:
at 65 mA / 0.90 V
50
Max. Discharge Current (cont.) [mA]:
130
Life Expectancy (typical):
IEC Cycle:
1000 Cycles
Trickle Charge:
up to 6 years (20°C)
Trickle Charge:
up to 5 years (45°C)
* for fully discharged cells, 20 °C
Capacities based on normal charging
VARTA Microbattery GmbH, Daimlerstraße 1, D-73479 Ellwangen/Jagst
Subject to change without prior notice !
Tel.: (+49) 7961/921-0, Telefax: (+49) 7961/921-553
Date of Issue: 2008-02-08
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