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12V 40AH Lithium Ion Battery | Deep Cycle Battery | Starting Battery
A Drop In Replacement & Upgrade from AGM, Gel or Lead Acid Batteries.
The Smart Battery 12V 40AH Lithium Ion Battery features an automatic built in battery protection system (BPS) that keeps the battery running at peak performance and protects the cells for thousands of cycles. The SB40 is plug and play for almost any application that currently uses a lead acid, gel or agm battery.
| Specifications | |||
 |
Model | SB40 | |
| Group Size | 12V40A | ||
| Nominal Voltage | 12.8V | ||
| Charge Voltage | 14.4V to 14.6V | ||
| Max Charge / Discharge Current | 40A (amps) | ||
| Cold Cranking Amps | 400A (amps) | ||
| Length | 7.75" | ||
| Width | 6.45" | ||
| Height | 6.75" | ||
| Weight | 13 lbs | ||
| Type | LiFePO4 | ||
| Performance | |||
| Usable Capacity (amp hours) | 40AH | ||
| Depth of Discharge | 100% | ||
| Peak amps 5 seconds | 400A | ||
| Reserve Minutes @ 20A | 120 | ||
| Reserve Minutes @ 40A | 60 | ||
| 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 | Bolted |
| 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 | |||