SOFAR 5KWh Lithium Battery

SOFAR 5.12kWh Lithium Battery Overview

The SOFAR SF-5KWH-L1 is a low-voltage lithium iron phosphate battery designed for solar energy storage and backup applications. It provides 5.12kWh total energy and 4.608kWh usable energy, giving buyers a clear basis for estimating how much electricity can be stored for use during load shedding or after sunset.

Its rated charging and discharging power is 2.56kW. This distinction is important because the product is frequently searched as a SOFAR 5kW lithium battery, although 5.12kWh represents stored energy rather than continuous output power.

The battery uses an intelligent BMS for cell-level and module protection. CAN communication, automatic battery networking, remote monitoring and BMS upgrades are also supported. Multiple installation options and parallel expansion make it suitable for different residential and selected commercial energy-storage requirements.

Key Features and Buyer Benefits

5.12kWh Total Energy

SOFAR states a total energy capacity of 5,120Wh and usable energy of 4,608Wh. The usable-energy value is more helpful for backup planning because it represents the energy made available for practical system operation.

LFP Battery Chemistry

The SF-5KWH-L1 uses lithium iron phosphate cells, also known as LFP or LiFePO₄. The manufacturer describes these cells as supporting high-rate discharge power and stronger load capacity.

The reviewed datasheet does not provide a verified cycle-life figure or its testing conditions. Therefore, an unsupported claim such as 6,000 cycles has not been added.

Intelligent Battery Management System

An integrated intelligent BMS provides cell-level protection and overall module protection. It also supports automatic battery communication networking, remote monitoring and BMS upgrades.

The exact overvoltage, undervoltage, short-circuit and temperature-protection thresholds are not listed in the datasheet. These values should be checked from the applicable SOFAR installation manual where required.

Flexible Installation Design

The battery can be installed in three ways:

• Wall-mounted
• Floor-mounted
• Rack-mounted

Rack installation requires a standard 19-inch cabinet with a minimum cabinet depth of 600mm. This flexibility allows installers to select an arrangement that fits the available battery or equipment-room space.

Parallel Energy Expansion

Up to 16 batteries can be connected in parallel. SOFAR states a maximum expanded capacity of 81kWh, making future energy-storage expansion possible where the correct communication, cabling and protection arrangements are used.

10-Year Replacement Warranty

The battery is supplied with a 10-year replacement warranty. Customers should confirm the applicable coverage conditions, installation requirements, required documentation and replacement-claim procedure before purchase.

Best For

The SOFAR SF-5KWH-L1 can be considered for:

• Residential solar energy storage
• Home backup during load shedding
• Compatible low-voltage hybrid inverter systems
• Backup loads operating within the battery’s rated limits
• Buyers requiring wall, floor or rack installation
• Expandable battery-storage systems
• Selected small commercial backup applications
• Users moving from lead-acid batteries to a properly designed LFP system

Not Ideal For

Another battery or system design may be more suitable when:

• The inverter requires a high-voltage battery
• The continuous backup load exceeds the 2.56kW rated discharge power
• CAN protocol or inverter firmware compatibility cannot be verified
• The installation requires a confirmed numerical IP rating
• The installation location exceeds the stated environmental limits
• Required communication or parallel-expansion accessories are unavailable

Battery Capacity: kWh, Ah and Usable Energy Explained

Ampere-hours and kilowatt-hours describe different aspects of battery capacity.

The applicable calculation is:

Voltage × Ampere-hours ÷ 1,000 = Kilowatt-hours

For this battery:

51.2V × 100Ah ÷ 1,000 = 5.12kWh

The manufacturer datasheet states 5,120Wh total energy and a rated voltage of 51.2V. Dividing 5,120Wh by 51.2V gives a calculated nominal capacity of 100Ah.

A technically useful SOFAR 5kW lithium battery review should distinguish among these three ratings:

• 5.12kWh: Total stored energy
• 4.608kWh: Manufacturer-stated usable energy
• 2.56kW: Rated charging and discharging power

The usable energy is mathematically equal to 90% of the total energy. However, the datasheet does not explicitly identify this percentage as the recommended depth of discharge.

Battery Chemistry and Cycle Life

The SF-5KWH-L1 uses LFP chemistry. Battery service life can be affected by operating temperature, charging current, discharge current, inverter settings, depth of discharge and the number of daily cycles.

Buyers asking how long lithium solar batteries last or how long lithium-ion solar batteries last should compare the manufacturer’s cycle-life figure together with its test conditions. The reviewed datasheet does not state cycle life, recommended DoD or end-of-life capacity, so no numerical lifespan claim has been made.

The 10-year replacement warranty should not be interpreted automatically as a specific cycle-life guarantee. Warranty coverage and battery cycle life are separate considerations.

Battery Management System and Safety

The integrated intelligent BMS provides cell-level and module-level protection. Automatic battery networking, remote monitoring and BMS upgrades are also supported.

Correct inverter configuration remains essential. Battery voltage, current limits, communication protocol, firmware and cable pinout should all be verified before commissioning.

The operating-voltage range must not be used automatically as an inverter charging-voltage setting. The correct charging parameters should be taken from the applicable SOFAR installation instructions or officially verified inverter-battery settings.

Charging and Discharging Performance

The battery has the following manufacturer-stated electrical limits:

• Operating Voltage Range: 44.8V to 57.76V
• Rated Charging Power: 2,560W
• Rated Discharging Power: 2,560W
• Rated Charging Current: 50A
• Rated Discharging Current: 50A
• Maximum Charging Current: 50A
• Maximum Discharging Current: 100A

The datasheet does not state how long the 100A maximum discharge current can be maintained. Continuous loads should therefore be planned around the 50A and 2,560W rated discharge values unless additional official SOFAR documentation confirms otherwise.

Inverter Compatibility

Battery compatibility cannot be confirmed only because an inverter supports a 48V or 51.2V battery system. Installers should verify:

• Low-voltage battery architecture
• Battery operating-voltage range
• Charging and discharging current limits
• CAN communication support
• Supported communication protocol
• Inverter and battery firmware
• Communication-cable pinout
• Official compatibility information

Buyers searching for batteries for a 5kW solar system should not select battery capacity from solar-panel wattage alone. The battery required for a 5kW solar system depends on nighttime consumption, backup loads, required runtime, inverter limits and the amount of energy that must be stored.

Hajvery Solar can help check battery voltage, current limits and available inverter-communication information before purchase.

Parallel Expansion

The SF-5KWH-L1 supports up to 16 batteries in parallel. SOFAR states a maximum expanded capacity of 81kWh and supports automatic battery communication networking.

Parallel installations must use the manufacturer-required communication arrangement, protection equipment and cabling. These details are not provided in the reviewed datasheet and should be taken from the applicable SOFAR manual.

Technical Specifications

The following SOFAR 5kWh lithium battery specifications are based on the exact SF-5KWH-L1 datasheet:

Estimated Backup Time

Backup time depends on usable battery energy, inverter efficiency and the actual connected load.

The following estimates use:

• Usable energy: 4.608kWh
• Assumed inverter efficiency: 90%
• Formula: 4.608kWh × 90% ÷ average load in kW

These are calculated estimates, not guaranteed runtimes. Actual backup may be lower because of inverter losses, temperature, battery aging, system settings and load fluctuations.

Loads above 2.56kW have not been included because they exceed the battery’s stated rated discharge power.

Lithium Battery Use in Pakistan

For installations in Pakistan, battery temperature and placement require attention. SOFAR specifies a charging-temperature range of 0°C to +55°C and a discharging-temperature range of −20°C to +60°C.

During Lahore and Punjab summers, the battery should be placed in a protected location with suitable airflow and clearance for natural cooling. Direct sunlight, excessive heat and unverified outdoor exposure should be avoided.

A numerical IP rating is not stated in the reviewed datasheet. Weather resistance should therefore not be assumed from the dual-enclosure description alone. Correct solar charging, compatible inverter settings and responsible load planning can also affect battery performance.

SOFAR 5kWh Lithium Battery Price in Pakistan

The current SOFAR 5.12kWh Lithium Battery price in Pakistan is Rs. 230,000 at Hajvery Solar. Prices may change because of exchange rates, shipment costs, distributor pricing and stock availability, so customers should confirm the latest rate before ordering.

When comparing a 5kWh lithium-ion battery price or overall 5kWh battery storage cost, buyers should also consider usable energy, rated discharge power, inverter communication, expansion support, installation requirements and warranty coverage.

Dealers, installers and bulk buyers can contact Hajvery Solar for current stock and quantity-based pricing.

Hajvery Compatibility and Authenticity Check

Hajvery Solar checks the exact product model and available manufacturer documentation before publishing technical specifications. Customers can request:

• Battery and inverter compatibility checking
• Model and available serial-information verification
• Datasheet review
• Applicable warranty confirmation
• Current physical-stock confirmation
• Retail, dealer and wholesale availability
• Delivery information for Lahore and other cities in Pakistan

Warranty

The SOFAR SF-5KWH-L1 comes with a 10-year replacement warranty. Warranty coverage, eligible product faults, installation requirements, required documents and the replacement-claim procedure will be governed by the applicable warranty terms.

Customers should confirm the complete coverage conditions and claim procedure with Hajvery Solar before purchase.

Before You Buy

Confirm the following before ordering:

1. The inverter uses a compatible low-voltage battery system.
2. CAN protocol, firmware and cable pinout are compatible.
3. Continuous backup loads remain within the battery’s rated limits.
4. The 4.608kWh usable energy meets the required backup duration.
5. Inverter charge and discharge settings are correct.
6. The installation location meets temperature and ventilation requirements.
7. Required parallel-expansion equipment is available.
8. Warranty coverage and replacement terms have been confirmed.
9. The correct SOFAR SF-5KWH-L1 installation manual is available to the installer.

Frequently Asked Questions

What is the total and usable capacity of the SF-5KWH-L1?

The battery provides 5.12kWh total energy and 4.608kWh usable energy. Its 100Ah nominal equivalent is calculated from the manufacturer-stated 5,120Wh energy and 51.2V rated voltage.

Is this a SOFAR 5kW lithium battery?

It is commonly described and searched that way, but the technically correct energy-capacity term is 5.12kWh. Its rated continuous charging and discharging power is 2.56kW.

How long will a 5kWh battery last?

Using 4.608kWh usable energy and an assumed 90% inverter efficiency, estimated backup is approximately 8.3 hours at 500W, 4.1 hours at 1,000W or 2.1 hours at 2,000W. Actual runtime can vary.

Is this battery suitable for a 5kW solar system?

It may be suitable, but solar-system size alone cannot determine battery requirements. Daily consumption, nighttime usage, backup loads, inverter compatibility and desired runtime must also be considered.

Can multiple SF-5KWH-L1 batteries be connected?

Yes. SOFAR states that up to 16 batteries can be connected in parallel, providing a stated maximum expanded capacity of 81kWh.

Which inverters are compatible with this battery?

The datasheet confirms CAN communication but does not provide a verified inverter-model list. Voltage, current, protocol, firmware and communication-cable compatibility must be checked before installation.

How much does the SOFAR 5kWh battery cost in Pakistan?

The current SOFAR 5.12kWh Lithium Battery price in Pakistan is Rs. 230,000 at Hajvery Solar. Confirm the latest price and stock before ordering.

What warranty does the SOFAR SF-5KWH-L1 have?

The product comes with a 10-year replacement warranty. Customers should confirm coverage conditions, installation requirements, required documents and the claim process before purchase.

Buy SOFAR 5.12kWh Lithium Battery from Hajvery Solar

Buy the SOFAR SF-5KWH-L1 Lithium Battery from Hajvery Solar for residential, retail, dealer or wholesale requirements. Customers can request datasheet verification, inverter compatibility checking, current stock confirmation and applicable warranty details before purchase.

Visit Hajvery Solar at 280K Block J-1, Johar Town, Lahore, or contact the team for delivery availability across Pakistan.