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Specification Sheet
Cells: 6
Voltage: 12 V
Capacity: 24.0 Ah @ 20hr-rate to 1.75V per cell @ 25°C (77°F)
Weight: Approx. 7.55 kg (16.64 lbs.)
Maximum Discharge Current: 320A (5 sec)
Internal Resistance: Approx. 8.6 mΩ
Temperature Range:
Discharge: -15°C to 50°C (5°F to 122°F)
Charge: -15°C to 40°C (5°F to 104°F)
Storage: -15°C to 40°C (5°F to 104°F)
General Operating Temperature Range: 25°C ± 3°C (77°F ± 5°F)
Float Charge Voltage: 13.5 to 13.8 VDC/unit Average at 25°C (77°F)
Recommended Maximum Charging Current: 7.2A
Equalization Charge Voltage: 14.4 to 15.0 VDC/unit Average at 25°C (77°F)
Self-Discharge: Less than 10% after 90 days, can be stored up to 6 months at 25°C (77°F)
Terminal: I1-Thread lead alloy recessed terminal to accept M5 bolt
Container Material: ABS (UL94-HB)
Below is the summary of the battery specifications:
| Specification | Details |
|------------------------------------|-----------------------------------------------------------|
| Nominal Voltage | 12V (6 cells per unit) |
| Nominal Capacity | 39 Ah @20hr-rate to 1.75V per cell @25℃ (77℉) |
| Weight | Approximately 11.50 Kg (25.35 lbs) |
| Maximum Discharge Current | 400 A (5 seconds) |
| Internal Resistance | Approximately 8.9 mΩ |
| Short Circuit Current | 987.5 A |
| Maximum Charge Current | 11.70 A |
| Terminal types | B5 terminal to accept M6 nut & bolt |
| Terminal tightening torque | 51.7±10.3 Kgf·cm / 44.9±9.0 Lbf·in / 5.10±1.0 N·m |
| Container Material | ABS (UL 94-HB) |
| Dimensions | |
| Length (L) | 195.6±2.0 mm |
| Width (W) | 130.0±1.5 mm |
| Container Height (h) | 154.8±2.0 mm |
| Overall Height (H) | 178.3±2.0 mm |
| Constant Current Discharge Characteristics (Unit: A, 25℃) | |
| Constant Power Discharge Characteristics (Unit: W, 25℃) | |
**Constant Current Discharge Characteristics (Unit: A, 25℃)**
| Voltage (V) | 30min | 45min | 60min | 90min | 2hr | 3hr | 4hr | 5hr | 6hr | 8hr | 10hr | 20hr |
|-------------|-------|-------|-------|-------|------|------|------|------|------|------|------|------|
| 1.60 | 39.6 | 28.2 | 23.3 | 17.8 | 14.4 | 10.4 | 8.25 | 6.93 | 5.58 | 4.68 | 3.89 | 2.13 |
| 1.67 | 38.5 | 27.7 | 22.9 | 17.5 | 14.2 | 10.3 | 8.19 | 6.87 | 5.51 | 4.60 | 3.81 | 2.06 |
| 1.70 | 37.4 | 27.0 | 22.4 | 17.2 | 14.0 | 10.2 | 8.13 | 6.79 | 5.43 | 4.53 | 3.73 | 2.01 |
| 1.75 | 36.4 | 26.6 | 22.0 | 16.8 | 13.7 | 10.1 | 8.04 | 6.71 | 5.36 | 4.46 | 3.67 | 1.96 |
| 1.80 | 35.4 | 26.0 | 21.6 | 16.6 | 13.5 | 9.93 | 7.94 | 6.62 | 5.29 | 4.40 | 3.60 | 1.91 |
| 1.85 | 34.3 | 25.5 | 21.1 | 16.2 | 13.3 | 9.78 | 7.80 | 6.52 | 5.20 | 4.33 | 3.54 | 1.87 |
**Constant Power Discharge Characteristics (Unit: W, 25℃)**
| Voltage (V) | 30min | 45min | 60min | 90min | 2hr | 3hr | 4hr | 5hr | 6hr | 8hr | 10hr | 20hr |
|-------------|-------|-------|-------|-------|------|------|------|------|------|------|------|------|
| 1.60 | 475 | 340 | 280 | 213 | 172 | 124 | 99.0 | 83.2 | 67.0 | 56.2 | 46.6 | 25.5 |
| 1.67 | 463 | 335 | 276 | 210 | 170 | 123 | 98.1 | 82.4 | 66.2 | 55.3 | 45.6 | 24.8 |
| 1.70 | 451 | 328 | 271 | 207 | 168 | 122 | 97.2 | 81.5 | 65.2
| 54.4 | 44.8 | 24.1 |
| 1.75 | 438 | 319 | 265 | 204 | 166 | 120 | 96.2 | 80.5 | 64.4 | 53.6 | 44.0 | 23.5 |
| 1.80 | 425 | 312 | 260 | 201 | 163 | 119 | 95.0 | 79.4 | 63.4 | 52.8 | 43.3 | 22.9 |
| 1.85 | 412 | 302 | 253 | 197 | 160 | 117 | 93.7 | 78.2 | 62.5 | 52.0 | 42.6 | 22.4 |
These are the specifications and constant current discharge characteristics of the battery.
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Contact: Sir SHU
Phone: 13775032303
Tel: 4001177032
Email: 13775032303@139.com
Add: Room 3208, Floor 2, Rongyu Building, No. 780 Wanhangdu Road, Jing'an District, Shanghai
