Leoch FT12-55
Leoch FT12-55
Specification
Rated voltage
12 B (6 elements in the block)
Nominal capacity (10 ч)
55.0 Ah
Capacity
58.2 Ah at 20 hour discharge up to Uкон. =1.80 W/El at 25 ˚С;, 55.0 Aч at 10-hour discharge to Uкон. =1.80 W/El at 25 ˚С;, 53.6 Aч at 8-hour discharge to Uкон. =1.75 W/El at 25 ˚С;, 48.2 Aч at 5-hour discharge to Uкон. =1.75 W/El at 25 ˚С;, 36.4 Aч at 1-hour discharge to Uкон.=1.60 W/El at 25 ˚С
Weight
17.3 kg ± 3%
Internal resistance
7.6 mOhm
Operating temperature range
Discharge: -40 ~ 60 °C, Charge: -20 ~ 60 °C, Storage: -40 ~ 60 °C, Optimal operating temperature: 25 ± 3 °C
Charge voltage
Буферный режим 13.50 - 13.80 V (темп. коэф. -20 мВ/˚С), Vыравнивающий заряд 14.10 - 14.40 V (темп. коэф. -30 мВ/˚С)
Maximum charge current
15 A
Maximum discharge current
550 A (5 c)
Self-discharge
Батареи Leoch серии FT can be stored at 25 °С to 6 months
dimensions
Length: 277 ± 2 мм, Width: 106 ± 2 мм, height: 222 ± 2 мм, height (макс.): 222 ± 2 мм
Housing material
Shockproof, негорючий ABS (acrylic butadiene styrene)
Terminals
Болт М6 (torque bolts 3.9 - 5.4 Нм)
Addiction емкости from температуры
40 °C 103%, 25 °C 100%, 0 °C 86%
Life time
12 years in buffer mode at 25 ˚С
*The battery must be charged before use. At higher ambient temperatures, storage time is reduced
Dimensions
Length
277
Width
106
Height
222
Height (full)
222
Direct current discharge: А (25°С)
| Uk. / Tdischarge | 10 min | 15 min | 20 min | 30 min | 45 min | 1 h | 2 h | 3 h | 4 h | 5 h | 6 h | 8 h | 10 h | 20 h |
| 1.85 V/Эл | 87.8 | 76.2 | 65.9 | 51.7 | 39.4 | 31.7 | 18.3 | 13.3 | 10.7 | 8.97 | 7.86 | 6.30 | 5.26 | 2.79 |
| 1.80 V/Эл | 101.3 | 86.0 | 73.0 | 56.6 | 42.5 | 33.9 | 19.7 | 14.3 | 11.3 | 9.52 | 8.29 | 6.62 | 5.50 | 2.91 |
| 1.75 V/Эл | 111.9 | 93.1 | 78.9 | 59.5 | 43.9 | 34.9 | 20.1 | 14.5 | 11.5 | 9.64 | 8.39 | 6.70 | 5.56 | 2.93 |
| 1.70 V/Эл | 118.1 | 98.3 | 82.0 | 61.2 | 44.9 | 35.5 | 20.4 | 14.7 | 11.6 | 9.73 | 8.46 | 6.75 | 5.60 | 2.95 |
| 1.67 V/Эл | 123.4 | 102.1 | 84.5 | 62.2 | 45.5 | 35.9 | 20.5 | 14.8 | 11.7 | 9.82 | 8.53 | 6.81 | 5.64 | 2.97 |
| 1.60 V/Эл | 128.7 | 104.9 | 86.3 | 63.5 | 46.1 | 36.4 | 20.7 | 14.9 | 11.8 | 9.90 | 8.61 | 6.86 | 5.68 | 2.99 |
Constant power discharge: W/El (25°С)
| Uk. / Tdischarge | 10 min | 15 min | 20 min | 30 min | 45 min | 1 h | 2 h | 3 h | 4 h | 5 h | 6 h | 8 h | 10 h | 20 h |
| 1.85 V/Эл | 167.2 | 146.5 | 127.8 | 100.9 | 77.2 | 62.4 | 36.3 | 26.5 | 21.3 | 17.9 | 15.8 | 12.7 | 10.6 | 5.63 |
| 1.80 V/Эл | 191.6 | 164.4 | 140.6 | 109.9 | 82.9 | 66.5 | 38.9 | 28.3 | 22.6 | 19.0 | 16.6 | 13.3 | 11.1 | 5.87 |
| 1.75 V/Эл | 210.0 | 176.5 | 151.1 | 114.9 | 85.5 | 68.3 | 39.6 | 28.8 | 22.9 | 19.2 | 16.8 | 13.4 | 11.2 | 5.90 |
| 1.70 V/Эл | 218.8 | 184.6 | 155.6 | 117.3 | 86.7 | 69.2 | 39.9 | 28.9 | 23.0 | 19.3 | 16.9 | 13.5 | 11.2 | 5.93 |
| 1.67 V/Эл | 225.1 | 188.8 | 158.3 | 117.8 | 87.2 | 69.3 | 40.0 | 29.0 | 23.1 | 19.4 | 17.0 | 13.6 | 11.3 | 5.95 |
| 1.60 V/Эл | 229.8 | 190.9 | 159.6 | 119.0 | 87.5 | 69.8 | 40.2 | 29.1 | 23.2 | 19.5 | 17.1 | 13.7 | 11.3 | 5.98 |
