D batteries (also referred to as R20, UM1)
Common size for torches, toys, portable hi-fi etc. Ultra high capacity for long
lasting performance.
|
Charge Current |
Approx charge time from empty battery |
|
100mA |
130 hours |
|
250mA |
49 hours |
|
500mA |
24 hours |
|
800mA |
14.5 hours |
|
1200mA |
9.5 hours |
Detailed Technical Specifications:
|
Nominal Voltage |
1.2V |
|
|
Max. Charge Voltage |
1.5V |
at standard charge (0.1C/20°C) |
|
Capacity |
|
|
|
Nominal |
10,000mAh |
discharge at 0.2C (2000mA) |
|
|
>9200mAh |
discharge at 1.0C (10.0A) |
|
|
|
1.0V end discharge voltage, ambient temperature 20°C |
|
Max discharge current |
30,000mA |
ambient temperature 20 .. 50°C |
|
Recommended charge termination control parameters |
-dV |
0 .. 5mV |
|
dT/dt |
0.8 .. 1.0°C per min |
|
|
TCO |
40 .. 50°C |
|
|
Trickle charge current |
250 .. 500mA |
(recommended) |
|
Continuous overcharge |
<500mA |
No conspicuous deformation, no leakage. |
|
Internal Resistance |
<6.5m Ohms |
at 1000Hz, fully charged |
|
Life expectancy |
>500 cycles |
IEC standard |