China Suppliers LiFePO4 Lithium Battery 48V 100Ah Factory - High Capacity, Fast Charging, Long Cycle Life
Product Features
Technical Description
| MODEL | Gaea 48100 |
| Battery Type | LiFePO4 (lithium iron phosphate battery) |
| Nominal Capacity | 100Ah |
| Nominal Voltage | 51.2V |
| Total Energy | 5120Wh |
| Charge Cut-off Voltage | 57.6V |
| Discharge Cut-off Voltage | 40V |
| Charge Current | 100A max |
| Discharge Current | 100A max |
| Communication Mode | RS485, CAN |
| Ingress Protection | IP20 |
| Lifespan (80% DOD) | ≥4000 cycles, 25°C |
| Working Environment | -20°C - 60°C, < 95% RH |
| Storage Environment | -20°C - 50°C, < 95% RH |
| Operating Altitude | <2000m |
| Design Life | 15 years |
| Warranty Period | 5 years, 10 years optional |
Tips About Lithium Battery
Definition of Key Parameters of LiFePO4 Batteries: The performance and characteristics of a LiFePO4 (Lithium Iron Phosphate) battery are defined by several key parameters. These parameters help determine the battery's suitability for specific applications and its overall performance.
Capacity (Ah or Wh)
Definition: The total amount of electric charge a battery can store, usually measured in ampere-hours (Ah) or watt-hours (Wh).
Significance: Determines how long the battery can provide power before needing a recharge. For example, a 100 Ah battery can theoretically deliver 100 amperes for one hour or 1 ampere for 100 hours.
Voltage (V)
Definition: The electric potential difference between the positive and negative terminals of the battery, typically measured in volts (V).
Significance: LiFePO4 batteries have a nominal voltage of about 3.2 to 3.3 volts per cell. The total voltage of a battery pack depends on the number of cells connected in series.
Energy Density (Wh/kg)
Definition: The amount of energy stored per unit weight, measured in watt-hours per kilogram (Wh/kg).
Significance: Indicates how much energy the battery can store relative to its weight. Higher energy density means more energy storage in a lighter battery, which is crucial for portable applications.
Cycle Life
Definition: The number of complete charge-discharge cycles a battery can undergo before its capacity falls below a specified percentage of its original capacity, typically 80%.
Significance: Determines the battery's longevity. LiFePO4 batteries typically have a long cycle life, often exceeding 2,000 cycles.
Charge/Discharge Rate (C-rate)
Definition: The rate at which a battery is charged or discharged relative to its capacity, measured in terms of C-rate.
Significance: A 1C rate means the battery will be charged or discharged in one hour. A 0.5C rate means it will take two hours, and a 2C rate means it will take 30 minutes. Higher C-rates indicate faster charging and discharging capabilities.
Depth of Discharge (DoD)
Definition: The percentage of the battery’s capacity that has been used relative to its total capacity.
Significance: A higher DoD means more of the battery’s capacity is utilized in each cycle. LiFePO4 batteries can typically handle deep discharges (up to 80-90%) without significant degradation.
Efficiency
Definition: The ratio of the energy output during discharge to the energy input during charging, usually expressed as a percentage.
Significance: Higher efficiency means less energy is lost during the charge-discharge cycle. LiFePO4 batteries typically have efficiencies around 95%.
Operating Temperature Range
Definition: The range of ambient temperatures within which the battery can operate effectively, usually given in degrees Celsius (°C).
Significance: LiFePO4 batteries perform well in a wide range of temperatures, typically from -20°C to 60°C, which makes them versatile for various environments.
Self-Discharge Rate
Definition: The rate at which a battery loses its charge when not in use, usually expressed as a percentage per month.
Significance: Lower self-discharge rates mean the battery retains its charge longer when stored. LiFePO4 batteries have a low self-discharge rate, often around 2-3% per month.
Safety Features
Definition: Built-in mechanisms to prevent failure modes such as thermal runaway, overcharging, and short circuits.
Significance: LiFePO4 batteries are known for their inherent safety, including resistance to overheating and non-combustible chemistry.