C batteries (also referred to as R14, UM3)
Common size for torches, toys, portable hi-fi etc. High capacity for long lasting
performance.
|
Charge Current |
Approx charge time from empty battery |
|
100mA |
68 hours |
|
250mA |
30 hours |
|
500mA |
13 hours |
|
800mA |
7 hours |
|
1200mA |
4.5 hours |
|
Nominal Voltage |
1.2V |
|
|
Max. Charge Voltage |
1.5V |
at standard charge (0.1C/20°C) |
|
Capacity |
|
|
|
Nominal |
5000mAh |
discharge at 0.2C (1,000mA) |
|
|
>4450mAh |
discharge at 1.0C (5.0A) |
|
|
|
1.0V end discharge voltage, ambient temperature 20°C |
|
Max discharge current |
15000mA |
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 |
100 .. 250mA |
(recommended) |
|
Continuous overcharge |
<200mA |
No conspicuous deformation, no leakage. |
|
Internal Resistance |
<6.5m Ohms |
at 1000Hz, fully charged |
|
Life expectancy |
>500 cycles |
IEC standard |