Datasheet

Rechargeable Button Cells
3.6 CHARGE TABLE FOR NIMH HIGH RATE BUTTON CELLS V…HR(T)
Specific currents 0.1 CA 0.3 CA 0.5 –1 CA 0.01 CA to
0.03 CA
Charge time 14 –16 hours 4 hours 1– 2 hours unlimited
Recommended charging 0.1 CA 0.3 CA 0.5 –1 CA 0.01 CA to
charging values at 14 –16 hours 4 hours 0.03 CA
room temperature for the unlimited
powerful family V...HR(T)
Available 100 100 > 80 100
capacity (%)
TAB. 14
1)
Only at room temperature and after fully discharged cells, voltage control
recommended (for multi-layer-electrodes)
2)
Special charge control is required (see p. 26)
Note: NiMH High Rate Button Cells shall not be charged at temperatures below 0°C
Normal
charge
Accelerated
charge
1)
Fast
charge
2)
Trickle
charge
Charge Table
FIG. 25
TYPICAL TRICKLE CHARGING
Figure 25 shows battery voltage and
charge current characteristics over
charging time for a 2-cell battery in a
typical trickle charge circuit
Trickle charge characteristics of e.g.
2/V 18 HRT R
C
= 1 kΩ