| Type Designation: |
VH4000 |
|
| Designation IEC: |
55140 |
| Performance Data |
| System |
Nickel Metal Hdride/KOH Electrolyte |
| Nominal voltage |
1.2V |
| Nominal capacity (C) |
3600 mAh |
| Typical Capacity (C) |
4000 mAh @ 800mA/1.00V |
| Temperature Ranges (°C) |
|
min. |
max. |
| Storage: |
less than 30 days |
-20 |
50 |
| |
less than 90 days |
-20 |
40 |
| |
less than 1 year |
-20 |
30 |
| Discharge: |
|
-20 |
60 |
| Charge: |
|
0 |
45 |
| Charge Method: |
|
| Normal Charging: |
370mA for 14h -16h |
| Accelerated Charging (20°C): |
Time controlled, voltage control recommened - 1100mA for 4.75h |
| Fast Charging (20°C): |
3000mA* |
| Trickle Charging: |
pulsed recommended |
| Charge Retention[%] at 20°C: |
Capacity available after 1 month storage at 20°C (cell was fast charged) - min. 60% |
| Impedance [mOhm]: |
at charged cells (5 cycles), 20°C , AC: 1kHz, (IEC 61951-2) - max 60mOhm |
| Typical Capacities: |
at 800mA / 1.00V |
4000mAh |
|
| |
at 2A / 1.00V |
3700mAh |
|
| |
at 4A / 1.00V |
3600mAh |
|
| Max. Discharge Current (cont): |
5000mA |
| Life Expectancy (typical): |
IEC Cycle - >500 cycles |
* (dT/dt. -dV)
|
Capacities based on normal charging |
| |
|
| Weight, approx. |
55g |
| Dimensions (mm) |
|
min: |
max: |
| |
diameter [a]: |
16.0 |
17.0 |
| |
Height [b]: |
65.5 |
67.5 |
| |
Shoulder Height [c]: |
65.2 |
67.7 |
| |
Cap diameter [d] |
7.5 |
8.5 |
| |
