Fronus 5.12kW LD-55 Ultra Lithium Battery

Fronus LD55 Ultra Lithium Battery Overview

The Fronus LD55 Ultra Lithium Battery is designed for solar energy storage and backup applications where stable battery performance and suitable discharge capacity are important. It uses LiFePO₄ (Lithium Iron Phosphate) chemistry and provides 5.12kWh nominal energy at 51.2V.

One of its important features is its discharge capability. The battery supports up to 135A maximum discharge current and a peak discharge current of 200A for 10 seconds, subject to the specified operating conditions. Consequently, system designers can consider its discharge capacity when matching the battery with suitable inverter and load requirements.

The LD55 Ultra also features a 3.5-inch LCD touchscreen, built-in Wi-Fi and CAN/RS485 communication. In addition, its IP40 enclosure makes it suitable for indoor installation, while wall, floor and rack mounting options provide flexibility when planning a battery storage area.

For buyers searching for a Fronus lithium battery in Pakistan, this model combines energy storage capacity, monitoring features and high discharge capability. Furthermore, customers comparing the Fronus LD55 Price can consider these technical features when selecting a suitable solar battery.

Key Features and Buyer Benefits

LiFePO₄ Battery Chemistry

The LD55 Ultra uses Lithium Iron Phosphate (LiFePO₄) battery chemistry. This technology is widely used in solar energy storage because it supports repeated charging and discharging.

Moreover, the battery suits applications requiring regular energy cycling, including residential solar backup and compatible commercial energy storage systems.

5.12kWh Nominal Energy Capacity

With 5.12kWh nominal energy, the battery provides a defined energy storage capacity for compatible solar installations.

However, actual backup duration depends on the connected load, usable battery energy, inverter efficiency, operating temperature and battery condition. Therefore, buyers should consider their essential appliances and expected backup requirements before selecting a battery.

High Discharge Capability

The battery supports a maximum discharge current of 135A, with a peak discharge current of 200A for 10 seconds at temperatures up to 35°C.

As a result, its peak capability can help accommodate short-duration demand. However, the inverter, wiring and connected equipment must also support the required current.

Long Cycle Life

The LD55 Ultra offers a cycle life of more than 8,000 cycles at 80% Depth of Discharge (DoD).

Cycle life is an important consideration for solar battery buyers because it relates to repeated charging and discharging over the battery’s operating life. Therefore, buyers should consider this rating when comparing energy storage options.

Smart Monitoring and Display

The battery features a 3.5-inch LCD touchscreen for convenient local monitoring. Additionally, built-in Wi-Fi provides remote access, while cell-level monitoring supports tracking of cell voltage and temperature.

These features make it easier for users to check battery operating information and monitor its condition.

Best For

The Fronus LD55 Ultra is suitable for:

• Residential solar energy storage systems.
• Homes requiring battery backup during load shedding.
• Hybrid solar installations with compatible battery support.
• Users looking for a 5.12kWh LiFePO₄ battery.
• Solar systems requiring higher discharge-current capability.
• Installations where CAN/RS485 communication is supported.
• Indoor battery installations with suitable ventilation and environmental conditions.

Not Ideal For

This battery may not be suitable for:

• Systems requiring a high-voltage battery architecture.
• Outdoor installations exposed to rain or direct weather conditions.
• Inverters that do not support the battery’s voltage and communication requirements.
• Applications requiring continuous discharge beyond the battery’s rated current.
• Installations where the required battery operating temperature falls outside its permitted range.

Therefore, buyers should check their system requirements before selecting this battery.

Battery Capacity: kWh, Ah and Usable Energy Explained

Understanding the difference between kWh and Ah is important when selecting a solar battery.

• kWh (Kilowatt-hour): Represents the amount of electrical energy stored.
• Ah (Ampere-hour): Represents the battery’s electrical capacity.
• Voltage (V): Indicates the battery’s nominal electrical voltage.

The LD55 Ultra has a nominal energy rating of 5.12kWh, a nominal voltage of 51.2V, and a rated capacity of 102–106Ah.

However, usable energy depends on the permitted discharge depth and operating conditions. Therefore, buyers should not automatically treat the full nominal energy as available usable energy.

Battery Chemistry and Cycle Life

The Fronus LD55 Ultra uses LiFePO₄ chemistry and provides a rated cycle life of more than 8,000 cycles at 80% DoD.

Depth of Discharge indicates how much of the battery’s capacity is used during a discharge cycle. Consequently, operating within the recommended battery limits and maintaining suitable temperature conditions are important for long-term performance.

Battery Management and Monitoring

Battery monitoring helps users understand operating conditions and energy storage performance.

The LD55 Ultra includes:

• 3.5-inch LCD touchscreen.
• Status light and SOC/power indicators.
• Cell-level voltage monitoring.
• Cell-level temperature tracking.
• Built-in Wi-Fi for remote access.
• CAN and RS485 communication interfaces.

In addition, these features provide local and remote monitoring options. However, buyers should check specific inverter communication and control functions before installation.

Charging and Discharging Performance

The battery has a recommended operating current of 100A. Its maximum charging and discharging limits are different, so installers must consider both values during system design.

The maximum charging current is 100A, while the maximum discharge current is 135A. Furthermore, the battery supports a peak discharge current of 200A for 10 seconds under the specified temperature conditions.

Therefore, installers must configure the inverter correctly, select suitable cables and provide appropriate electrical protection for safe operation.

Inverter Compatibility

Battery and inverter compatibility is important when purchasing or installing the LD55 Ultra.

Buyers and installers should check the following compatibility factors:

• Battery nominal voltage and operating voltage range.
• Inverter battery voltage requirements.
• Maximum charging current.
• Maximum discharge current.
• CAN/RS485 communication support.
• Supported battery communication protocol.
• Correct inverter configuration and firmware.

However, a matching voltage alone does not guarantee full communication compatibility. For this reason, confirm the exact inverter model and its supported battery configuration before installation.

Hajvery Solar Energy can assist buyers with battery and inverter compatibility checks.

Technical Specifications

Estimated Backup Time

The backup duration of a lithium battery depends on the actual connected load, usable battery energy and inverter conversion efficiency.

The LD55 Ultra has 5.12kWh nominal energy. However, actual available energy will depend on discharge limits, operating conditions and system losses.

For a practical backup calculation, buyers should consider:

• Essential appliance wattage.
• Total connected load.
• Required backup hours.
• Inverter efficiency.
• Battery discharge limits.
• Expected future battery capacity requirements.

Therefore, complete a suitable system design before estimating the actual backup time. No fixed runtime should be assumed from nominal capacity alone.

Lithium Battery Use in Pakistan

Solar batteries are increasingly important for households and businesses that want to store solar energy for later use and maintain selected electrical loads during grid interruptions.

For installations in Pakistan, the battery location and operating environment deserve particular attention. The LD55 Ultra has an IP40 enclosure and is intended for indoor use.

Moreover, high ambient temperatures can affect battery operation. The installation area should remain within the permitted temperature range, with suitable ventilation and protection from moisture.

Correct inverter settings and electrical protection are equally important for dependable operation. Therefore, installers should assess the installation environment before commissioning the battery.

Fronus LD55 Price in Pakistan

The Fronus LD55 Price in Pakistan is an important consideration for customers comparing lithium battery options for residential and commercial solar installations.

The Fronus LD55 Ultra provides 5.12kWh nominal energy and uses LiFePO₄ battery chemistry. In addition, its 135A maximum discharge current, built-in Wi-Fi and CAN/RS485 communication offer useful features for compatible solar energy storage systems.

The current price of the Fronus 5.12kWh 51.2V LD55 Ultra Lithium Battery in Pakistan is Rs. 183,900 per unit.

Hajvery Solar Energy is a Fronus Official Distributor, offering product guidance and assistance with battery selection for compatible solar installations.

Furthermore, dealers, installers and bulk buyers can contact Hajvery Solar Energy to discuss availability and purchasing requirements.

Hajvery Compatibility and Authenticity Check

Choosing the correct lithium battery involves more than matching its energy capacity with an inverter.

Before purchasing the Fronus LD55 Ultra, buyers should check the exact product model, serial information, applicable warranty and inverter compatibility.

Hajvery Solar Energy is a Fronus authorized dealer, helping customers understand the battery’s electrical limits and communication requirements before installation.

In addition, buyers should confirm that the selected inverter supports the battery’s 51.2V architecture, charging limits and CAN/RS485 communication requirements.

Warranty and After-Sales Support

The Fronus LD55 Ultra comes with a 5 Years Warranty.

Customers should retain their purchase documents and product identification details for warranty-related enquiries. Moreover, confirm the applicable warranty conditions and claim requirements at the time of purchase.

Hajvery Solar Energy is an Official Fronus Distributor, providing product purchasing guidance and assistance with warranty-related enquiries.

Before You Buy

Before purchasing this lithium battery, consider the following:

1. Inverter Compatibility: Confirm that your inverter supports the battery’s voltage and communication requirements.
2. Battery Capacity: Check whether 5.12kWh nominal energy meets your backup requirements.
3. Charging Current: Ensure that the inverter charging current does not exceed the battery’s permitted limit.
4. Discharge Current: Match the battery’s discharge capability with your expected electrical load.
5. Communication: Check CAN/RS485 protocol compatibility.
6. Installation Location: Select a suitable indoor installation area because the battery has an IP40 protection rating.
7. Operating Temperature: Maintain the permitted charging and discharging temperature limits.
8. Warranty: Confirm the applicable warranty conditions before completing your purchase.

Frequently Asked Questions

1. What is the capacity of the Fronus LD55 Ultra Lithium Battery?

The battery has a nominal energy capacity of 5.12kWh, a nominal voltage of 51.2V and a rated capacity of 102–106Ah.

2. What battery chemistry does the Fronus LD55 Ultra use?

It uses LiFePO₄ (Lithium Iron Phosphate) battery chemistry.

3. What is the maximum discharge current?

The maximum discharge current is 135A. Additionally, it supports a peak discharge current of 200A for 10 seconds at temperatures up to 35°C.

4. How many charging and discharging cycles does this battery support?

The battery offers more than 8,000 cycles at 80% Depth of Discharge (DoD).

5. Does the Fronus LD55 Ultra support Wi-Fi monitoring?

Yes. It has built-in Wi-Fi for remote access, along with a 3.5-inch LCD touchscreen and cell-level monitoring features.

6. Is the Fronus LD55 Ultra suitable for outdoor installation?

The battery has an IP40 protection rating and is intended for indoor installation. Therefore, install it in a suitable protected environment.

7. What is the warranty of the Fronus LD55 Ultra Lithium Battery?

The battery comes with a 5 Years Warranty.

8. What is the current Fronus LD55 Price in Pakistan?

The current price of the Fronus 5.12kWh 51.2V LD55 Ultra Lithium Battery in Pakistan is Rs. 183,900 per unit.

Buy Fronus LD55 Ultra Lithium Battery from Hajvery Solar Energy

Looking for a genuine Fronus lithium battery in Pakistan? Hajvery Solar Energy offers the Fronus LD55 Ultra for customers planning residential and commercial solar energy storage systems.

As an authorized Fronus dealer, Hajvery Solar Energy helps customers with product selection, inverter compatibility guidance and purchasing enquiries.

Furthermore, customers can visit our Lahore store or contact our team for current availability and product information.