12.8V 18Ah LiFePO4 Battery LFP1218
Features:
- High capacity for extended power usage.
- Long cycle life for reliable performance over time.
- Excellent thermal stability for enhanced safety.
- Deep discharge capability without compromising battery life.
Parameters
| Model | LFP1218 |
| Rated Capacity | 18Ah |
| Rated Voltage | 12.8V |
| Energy | 230.4Wh |
| Standard Charge Current | 3.6A |
| Max. Charge Current | 18A |
| Charge Cut Off Voltage | 14.6V |
| Standard Discharge Current | 2.4A |
| Max. Continuous Discharge Current | 12A |
| Discharge Cut Off Voltage | 10V |
| Max. Pulse Discharge Current | 3.6A |
| Charge Temperature | 0 to 45ºC |
| Discharge Temperature | -20 to 60ºC |
| Storage Temperature | 0 to 40ºC |
| Dimension (L*W*H) | 151*99*95mm |
| Weight | 1.9kg |
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FAQ
The time it takes to backup a 12V 18Ah battery depends on the power consumption of the devices connected to it and the efficiency of the backup system. To calculate an estimate, you would need to know the power consumption of the devices in watts and divide the battery’s capacity (18Ah) by the total power consumption to determine the backup duration. For example, if the total power consumption is 36 watts, it would take approximately 0.5 hours (30 minutes) to backup the battery (18Ah / 36 watts = 0.5 hours). However, please note that this is a simplified calculation and does not account for factors like battery efficiency, voltage fluctuations, and discharge rates.
A 12.8V LiFePO4 battery typically consists of 4 individual cells connected in series. Each cell has a nominal voltage of 3.2V. When these four cells are connected in series, their voltages add up to a total of 12.8V. This configuration is commonly used to achieve the desired voltage and capacity for various applications.
A rough estimate can be obtained by dividing the battery capacity (18Ah) by the average power consumption of the device (in amps). For example, if the device consumes 1 amp of power, the battery would last approximately 18 hours (18Ah / 1A = 18 hours). However, it’s important to note that other factors such as battery efficiency, temperature, and discharge rate can affect the actual battery life.
The “18Ah” rating on a battery refers to its capacity or ampere-hour rating. Ah stands for ampere-hour, which is a unit of measure for the amount of charge a battery can deliver over time.
In the case of an 18Ah battery, it means that the battery can deliver a current of 1 ampere (A) for a duration of 18 hours. Alternatively, it can deliver a different current level for a proportional amount of time. For example, a 9Ah battery can deliver 2 amperes for 4.5 hours or 0.5 amperes for 36 hours.
