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| Specifications | |||
 |
Model | SB20 | |
| Group Size | 12V20A | ||
| Nominal Voltage | 12.8V | ||
| Charge Voltage | 14.4V to 14.6V | ||
| Max Charge / Discharge Current | 20A (amps) | ||
| Cold Cranking Amps | 200A (amps) | ||
| Length | 7" | ||
| Width | 2.9" | ||
| Height | 6.5" | ||
| Weight | 7 lbs | ||
| Type | LiFePO4 | ||
| Performance | |||
| Usable Capacity (amp hours) | 20AH | ||
| Depth of Discharge | 100% | ||
| Peak amps 5 seconds | 200A | ||
| Reserve Minutes @ 20A | 60 | ||
| Reserve Minutes @ 1A | 1200 | ||
| Self Discharge | <3% a year | ||
| Capacity % @ 100 Cycles | 102% | ||
| Capacity % @ 500 Cycles | 96.3% | ||
| Capacity % @ 1000 Cycles | 90.8% | ||
| Capacity % @ 1500 Cycles | 85.4% | ||
| Capacity % @ 2000 Cycles | 80.1% | ||
| Temperature Performance | Automatic Battery Protection System | ||
| Fahrenheit | Usable Capacity | Low Voltage Disconnect | 8V |
| 140 | 103% | Over Voltage Disconnect | 15.8V |
| 122 | 102% | Short Circuit Protection | Instant |
| 104 | 100% | Reverse Polarity Protection | Instant |
| 86 | 100% | Cell Balancing | Automatic |
| 68 | 98% | ||
| 50 | 92% | Cell Specifications | |
| 32 | 83% | Connection | Welded |
| 14 | 80% | Type | Cylindrical |
| -4 | 70% | Internal Impedance | ≤10mΩ |
| -22 | 60% | ||
| -40 | 10% | Warranty | |
| -58 | 0% | Repair or Replace | First 5 years |
| Repair or Pro Rate | Life Time | ||
| Detailed Warranty Information | |||