51.2V 100Ah Lithium LiFePO4 LFP Server Rack Battery Factory (PR-LV51100-PRO) 48V 100Ah

FAQs

Server Rack Battery vs. Normal LiFePO batteries?

1. Server Rack Batteries:

• Designed for server racks, providing backup power to critical servers and network equipment.
• Features modularity and hot-swappable design, allowing for convenient maintenance and upgrades.
• Advanced monitoring capabilities ensure optimal battery performance and reliability.
• Higher capacities and longer runtimes support uninterrupted operations in server environments.
• Suitable for applications such as home power backup systems, server racks, and data centers.

2. Normal LiFePO4 Batteries:

• Versatile and portable, suitable for various applications beyond server racks.
• Available in different types, such as lithium-ion, lead-acid, and alkaline.
• Compact design and high charge density make them ideal for portable electronics and home appliances.
• Easy to maintain, operate, and replace, with compatibility for power backup systems and renewable energy integration.
• Limited capacities and shorter runtimes, but cost-effective and practical for everyday power needs.

How to Properly Charge 51.2V LiFePO4 Battery?

1. Use a LiFePO4 Charger:

• Use a charger specifically designed for LiFePO4 batteries to ensure proper charging.
• Avoid using chargers designed for other lithium-ion chemistries or lead-acid batteries.

2. Check Cables and Terminal Connectors:

• Before charging, inspect the charger’s cables for insulation and ensure they are intact.
• Clean and properly connect the terminal connectors to the battery for a secure and efficient charging process.

3. Charging Guidelines:

• LiFePO4 batteries do not need to be recharged after each use if not fully discharged.
• Partial charging, also known as PSOC (Partial State of Charge), does not damage LiFePO4 batteries.
• If the battery’s voltage drops below 10.6V, recharge it immediately using a LiFePO4 battery charger.

4. Recommended Charging Voltage:

• The recommended charging voltage for a 51.2V LiFePO4 battery is between 42.0V and 58.4V.
• Ensure the charger’s voltage setting falls within this range to avoid overcharging or undercharging.

5. Charging Temperature:

• LiFePO4 batteries can be safely charged between 0°C and 55°C.
• No temperature compensation is required during charging at high or low temperatures.
• LiFePO4 batteries come with an internal Battery Management System (BMS) that protects them from extreme temperatures.

How Many Solar Panels (Watts) to Charge a 48V(51.2V) 100Ah Rack-mounted Battery？

1. Solar Charging Basics:

• Charging a 48V rack-mounted battery involves connecting solar panels in series to achieve an output voltage higher than the battery’s voltage.
• This ensures effective charging by maintaining the ideal 60-90 VDC range required for the process.

2. Sizing the Solar Array:

• To properly size your solar array for charging a 48V(51.2V) 100Ah rack-mounted battery, several calculations are necessary.
• Calculate the battery’s watt-hours: 48V x 100Ah = 4,800 Wh.
• Determine the solar recharge rate: Typically, it takes 4-6 hours for a full charge.
• Calculate the solar watts needed: 4,800 Wh / 4 hours = 1,200 W.
• Allow for inefficiencies: Add 20-30%, totaling 1,500 W to 1,600 W.

3. Ideal Solar Array:

• Based on these calculations, an ideal solar array would consist of:
  • 5 x 300W panels = 1,500 W.
  • or 6 x 250W panels = 1,500 W.
• This 1,500-1,600W solar array would fully charge the 48V(51.2V) 100Ah battery from empty to full within 4-6 daylight hours.

4. Installation Tips:

• Utilize an MPPT solar charge controller to maximize energy harvest.
• Orient panels optimally to capture maximum sunlight.
• Wire panels in series to achieve the desired output voltage.
• Connect panels to the battery via a solar charge controller.
• Ensure wiring is sized appropriately for maximum solar array amperage.
• Incorporate fuses and disconnects for safety measures.