WBR GP 640
WBR GP 640
Specification
Number of elements in the block
3
Rated voltage
6 V
Nominal capacity
4.0 Aч at 20-hour discharge to Uкон. - 1.75 W/El at 25 °C
Weight
0.75 kg ± 3%
Maximum discharge current
60 A (5 sec)
Internal resistance
21 mOhm
Operating temperature range
Discharge: from -40 °C to +60 °C, Charge: from -20 °C to +60 °C, Storage: from -40 °C to +60 °C
Rated operating temperature
25 °C
Charge voltage
6.75 - 6.9 V at 25 °C (темп. ком. -3 мВ/˚С/Эл.)
Maximum charge current
1.2 A
Charge voltage in cyclic mode
7.2 - 7.5 V at 25 °C (темп. ком. -5 мВ/˚С/Эл.)
Shelf life
to 6 months at 25 °C, without recharge*
Terminals
F1-Faston Tab 187, F2-Faston Tab 250
Housing material
Shockproof ABS (acrylic butadiene styrene)
*The battery must be charged before use. At higher ambient temperatures, storage time is reduced
Dimensions
Length
70
Width
47
Height
102
Height (full)
106
Direct current discharge: А (25°С)
| Uk/Tdischarge | 5 min | 10 min | 15 min | 30 min | 60 min | 2 h | 3 h | 4 h | 5 h | 10 h | 20 h |
| 1.85 V | 14.9 | 10.0 | 7.21 | 4.36 | 2.53 | 1.42 | 1.14 | 0.889 | 0.808 | 0.458 | 0.231 |
| 1.80 V | 17.0 | 11.3 | 7.83 | 4.82 | 2.78 | 1.54 | 1.21 | 0.948 | 0.839 | 0.480 | 0.245 |
| 1.75 V | 18.3 | 11.6 | 8.31 | 4.97 | 2.89 | 1.62 | 1.23 | 0.973 | 0.852 | 0.495 | 0.257 |
| 1.70 V | 18.8 | 11.8 | 8.53 | 5.11 | 2.97 | 1.65 | 1.25 | 0.996 | 0.863 | 0.503 | 0.265 |
| 1.65 V | 19.2 | 12.0 | 8.65 | 5.21 | 3.02 | 1.67 | 1.27 | 1.01 | 0.872 | 0.511 | 0.272 |
| 1.60 V | 19.4 | 12.1 | 8.74 | 5.26 | 3.05 | 1.69 | 1.28 | 1.02 | 0.878 | 0.515 | 0.276 |
Constant power discharge: W/El (25°С)
| Uk/Tdischarge | 5 min | 10 min | 15 min | 30 min | 60 min | 2 h | 3 h | 4 h | 5 h | 10 h | 20 h |
| 1.85 V | 22.7 | 16.4 | 13.3 | 7.78 | 4.38 | 2.70 | 2.12 | 1.72 | 1.53 | 0.950 | 0.490 |
| 1.80 V | 25.7 | 18.7 | 14.8 | 8.73 | 4.95 | 2.97 | 2.30 | 1.85 | 1.64 | 1.01 | 0.518 |
| 1.75 V | 27.8 | 20.0 | 15.4 | 9.08 | 5.32 | 3.10 | 2.40 | 1.93 | 1.68 | 1.03 | 0.538 |
| 1.70 V | 29.8 | 21.0 | 15.8 | 9.43 | 5.62 | 3.20 | 2.47 | 1.98 | 1.72 | 1.05 | 0.552 |
| 1.65 V | 31.7 | 21.8 | 16.1 | 9.65 | 5.78 | 3.32 | 2.55 | 2.03 | 1.75 | 1.09 | 0.562 |
| 1.60 V | 32.8 | 22.3 | 16.3 | 9.77 | 5.87 | 3.38 | 2.60 | 2.07 | 1.78 | 1.10 | 0.568 |
