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12V 250Ah LiFePO4 Battery Factory Wholesale

Description

Redway 12V 250AH LiFePO4 battery is a high-capacity battery designed to meet the demands of many applications. Because of its extended cycle life, high discharge rate, and outstanding performance at low temperatures, this battery is ideal for use in solar power systems, RVs, Motorhome, Marine Boat, Yacht, UPS and backup power systems.

Important characteristics

Large capacity: With a capacity of 250Ah, this battery is capable of providing continuous power for a long period of time.
Extended cycle life: This battery has a design life of over 4000 cycles, making it a dependable and economical long-term solution.
High discharge rate: In high-power applications, the battery’s high discharge rate makes it suitable.
Good performance in colder regions: In colder climates, the battery performs well and is a reliable option.
Lightweight and small size: It is easy to install and move the battery because it is small and lightweight.

Redway 12V 255Ah LFP Battery

12V255Ah LiFePO4 Specifications
Cell Type LiFePO4
Nominal Voltage 12.8V
Nominal Capacity 250Ah
Nominal Energy 3200Wh
Charge Voltage 14.6V
Discharge Voltage 10V
Max. Continues Charge Current 200A
Max. Continues Discharge Current 200A
Dimensions
[L x W x H]
522*240*218mm
20.55*9.45*8.58in
Weight 21kg
IP Rating IP65 (More request)
Series & Parallel 4S17P
Cycle Life >4000 cycles
Self-Discharge 3% (Per month)
Charge Temperature 0°C ~ 60°C
Discharge Temperature  -20°C ~ 65°C
Optional Functions Bluetooth / WiFi / LCD Screen / LED Touch Screen / RS485 / RS232 / CAN bus / 4G / 5G / GPS / Self-heating / Active Balance / APP
Charger Yes
Monitoring & Protection BMS: Overcharge / OverDischarge / Overcurrent / OverTemperature / ShortCircuit
Terminal M8 Bolts
Battery Case ABS
Design Life 15 Years
Warranty 3 Years
Silk-Screen / Label Printing Yes
User Manual / Warranty Card Yes
Customization / OEM / ODM Yes
Shipment Yes
Certifications IEC / UN38.3 / MSDS (More requests)

LiFePO4 batteries are perfect for a variety of applications, including:
Solar power systems: As a result of its high discharge rate and extended cycle life, the battery is a reliable and affordable option for long-term energy storage.
Electric cars: The battery is an excellent choice for electric vehicles due to its high discharge rate and extended cycle life.
Backup power systems can be incredibly useful during power outages or other crises.

Comparative Analysis of Other Batteries

Compared with standard lead-acid batteries, the 12V 250AH LiFePO4 battery has a longer cycle life, higher discharge rate, and improved performance at low temperatures. It is also easier to carry and install because of its reduced weight and compact design.
In addition to being dependable, economical, and of high quality, Redway’s 12V250Ah LiFePO4 battery is an excellent choice for a wide variety of applications. As well as being a great backup power system, electric cars, and solar power systems, it also has a long cycle life and good performance. This 12V250Ah LiFePO4 battery provides reliable power for a long time.

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FAQs

How long will a 12V 250Ah battery last?

The duration of a 12V 250Ah battery will vary depending on the current draw. As a general estimate, it can provide 250 Amps of current for 1 hour, 125 Amps for 2 hours, or 25 Amps for 10 hours. However, it’s important to consider that the actual battery life will depend on factors such as the specific battery model, usage conditions, and other variables.
  1. Current Draw and Battery Life: The duration of a 12V 250Ah battery will depend on the current draw, which refers to the amount of electrical current being drawn from the battery. Generally, a higher current draw will result in a shorter battery life, while a lower current draw will allow the battery to last longer.
  2. General Estimates: As a general estimate, a 250Ah battery can provide 250 Amps of current for 1 hour, 125 Amps for 2 hours, or 25 Amps for 10 hours. These estimates give an idea of the battery’s capacity to deliver power over a specific duration. However, it’s important to note that these estimates may vary depending on the specific battery model, usage conditions, and other factors.
  3. Factors Influencing Battery Life: The actual duration of a 12V 250Ah battery will depend on various factors. These include the specific battery model and its overall capacity, the efficiency of the electrical system or devices connected to the battery, and the usage conditions such as temperature and load fluctuations. It’s essential to consider these factors when estimating the battery’s lifespan and planning for power requirements.

How long does it take to charge a 12V 250Ah battery?

Charging a 12V 250Ah battery can take a minimum of 50 hours at 100% efficiency, but in real-life scenarios, it may take around 60-70 hours considering charging and conversion efficiency. The actual charging time will vary depending on factors such as the charging method, efficiency, and battery condition. It’s important to consider these factors when estimating the charging time for a 12V 250Ah battery.
  1. Charging Time Variation: The charging time for a 12V 250Ah battery can vary depending on factors such as the charging method, efficiency, and battery condition. As a general estimate, it can take a minimum of 50 hours at 100% efficiency, but in real-life scenarios, it may take around 60-70 hours considering charging and conversion efficiency.
  2. Factors Affecting Charging Time: The actual charging time can be influenced by the charging method used. Different charging methods, such as using a dedicated battery charger or a solar panel, may have different charging rates and efficiency levels. Additionally, the condition of the battery, including its current charge level and overall health, can impact the charging time.
  3. Considerations for Accurate Estimation: When estimating the charging time for a 12V 250Ah battery, it’s important to consider the specific circumstances and factors mentioned above. By using an appropriate charging method, ensuring efficient charging conditions, and monitoring the battery’s progress during charging, you can get a more accurate estimation of the charging time.

How do I know when my 12V 250Ah LiFePO4 battery is fully charged?

To determine when a 12V 250Ah LiFePO4 battery is fully charged, charge it at the maximum absorption voltage, typically around 14.6 volts, and monitor the charging current. When the current drops to 0 amps, it indicates that the battery is fully charged. Voltage measurements can also be used as an indicator of a fully charged battery. However, it’s important to consult the specific battery model’s documentation or manufacturer recommendations for accurate instructions on determining the full charge status of a LiFePO4 battery.

What is the maximum charging current for a 12V 250Ah LiFePO4 battery?

The maximum charging current for a 12V 250Ah LiFePO4 battery can vary, but as a general guideline, the recommended charge current is around 50A, and the maximum charge current can be up to 100A. These values ensure efficient and safe charging of the battery. However, it’s important to consult the battery’s documentation or manufacturer recommendations for accurate information on the maximum charging current.
  1. Recommended Charge Current: As a general guideline, the recommended charge current for a 12V 250Ah LiFePO4 battery is around 50A. This value ensures efficient and safe charging of the battery, allowing it to reach its full capacity without causing damage or excessive heat buildup.
  2. Maximum Charge Current: The maximum charge current for a 12V 250Ah LiFePO4 battery can vary depending on the specific battery model and manufacturer recommendations. In some cases, the maximum charge current can be up to 100A. This higher current allows for faster charging but should be used with caution and within the battery’s specified limits to avoid overcharging or other potential issues.
  3. Consult Manufacturer Recommendations: To determine the exact maximum charging current for a specific 12V 250Ah LiFePO4 battery, it’s crucial to consult the battery’s documentation or reach out to the manufacturer. They can provide accurate information and guidelines based on the battery’s design and specifications. Following the manufacturer’s recommendations ensures safe and optimal charging of the battery.

How many panels do I need to charge 12V 250Ah battery?

The number of solar panels required to charge a 12V 250Ah battery can vary depending on factors such as the battery capacity, desired charging time, and solar panel efficiency. As a general guideline, you can calculate the required wattage by multiplying the battery capacity (in Ah) by the desired charging time (in hours). For example, a 250Ah battery charged over 5 hours would require a minimum of 1,250W of solar panel capacity. However, it’s important to consider other factors and consult with a solar professional for accurate calculations based on your specific setup and requirements.
  1. Battery Capacity and Charging Time: The number of solar panels needed to charge a 12V 250Ah battery depends on the battery’s capacity and the desired charging time. To calculate the required wattage, multiply the battery capacity (in Ah) by the desired charging time (in hours). For example, a 250Ah battery charged over 5 hours would require a minimum of 1,250W of solar panel capacity.
  2. Solar Panel Efficiency and Other Factors: It’s important to consider other factors that can affect the number of solar panels required. Panel efficiency, weather conditions, system losses, and other variables can impact the overall charging performance. Higher panel efficiency can reduce the number of panels needed, while factors like shading or suboptimal orientation may require additional panels to compensate for reduced sunlight exposure.
  3. Consultation with Solar Professionals: To accurately determine the number of panels needed for your specific setup and requirements, it’s recommended to consult with a solar professional. They can assess your energy needs, evaluate site conditions, and provide customized solutions based on their expertise and experience.

Do 12V 250Ah LiFePO4 batteries need a special charger?

Yes, 12V 250Ah LiFePO4 batteries require a special charger. LiFePO4 batteries have a different charging profile compared to other battery chemistries, such as Li-ion batteries. They are fully charged at a lower voltage, typically around 3.65V. Using a regular charger designed for Li-ion batteries may not provide the appropriate charging voltage and could potentially damage the LiFePO4 battery. It is crucial to use a charger specifically designed for LiFePO4 batteries to ensure safe and efficient charging.
  1. Charging Profile Differences: LiFePO4 batteries have a different charging profile compared to other battery chemistries, such as Li-ion batteries. They are fully charged at a lower voltage, typically around 3.65V, while Li-ion batteries reach full charge at around 4.20V. This difference in charging voltage requires a charger specifically designed for LiFePO4 batteries to ensure the battery is charged optimally and safely.
  2. Voltage Compatibility: Using a regular charger designed for Li-ion batteries with a LiFePO4 battery can lead to improper charging voltage. This mismatch can potentially damage the LiFePO4 battery and reduce its overall performance and lifespan. To avoid such issues, it is essential to use a charger that is specifically designed for LiFePO4 batteries.
  3. Safety and Efficiency: Using a special charger designed for LiFePO4 batteries ensures the safety and efficiency of the charging process. These chargers are equipped with the necessary features and charging algorithms to deliver the correct voltage and current to the battery, preventing overcharging, overheating, and other potential risks.
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