Crown 51.2V 400Ah Lithium Battery

Crown 51.2V 400Ah Lithium Battery Overview

The Crown 51.2V 400Ah Lithium Battery is designed for energy storage applications that require substantial battery capacity and reliable power management. Its 51.2V nominal voltage and 400Ah capacity provide approximately 20.48kWh of calculated nominal energy, making it a suitable option for larger solar energy storage systems. If you are looking for the Crown 51.2V 400Ah Lithium Battery Price in Pakistan, contact Hajvery Solar Energy for the latest price and availability updates.

The battery uses LFP (Lithium Iron Phosphate) cell technology, which offers a practical combination of energy storage performance and long service life. A built-in BMS monitors voltage, current and temperature while supporting cell balancing.

For system integration, the battery provides CAN and RS485 communication. It also supports parallel connection of up to 16 units, allowing additional storage capacity where the connected system is properly designed.

Its LCD display and LED indicator provide useful information about battery operation and state of charge.

Crown 51.2V 400Ah Battery Key Features and Benefits

To identify the CMLB-51.2-400 product family, review the Official Crown Micro CMLB-51.2-400 Wallmount Model Listing. In addition, confirm the exact model and the supplied technical datasheet before setting inverter parameters; this manufacturer link is a model listing rather than a detailed installation manual.

1. Crown 400Ah High-Capacity Energy Storage

With a capacity of 400Ah at 51.2V, this battery provides a substantial storage capacity for solar installations. It can store energy generated during the day for use when solar production decreases or electricity is unavailable.

The calculated nominal energy is approximately 20.48kWh. Actual usable energy depends on the permitted discharge depth, operating conditions and system configuration.

2. LFP Lithium Cell Technology

The battery uses Lithium Iron Phosphate (LFP) cells. This chemistry is commonly used in stationary energy storage because of its cycle-life characteristics and suitability for repeated charging and discharging.

Its high-performance single-cell design also supports a wide operating temperature range.

3. Crown 400Ah Battery Management System

An integrated Battery Management System (BMS) monitors battery voltage, current and temperature, along with cell balancing.

This monitoring helps manage battery operation and supports coordination with compatible inverter systems.

4. CAN and RS485 Communication

The battery supports CAN and RS485 communication interfaces for inverter integration.

Before installation, confirm that the selected inverter supports the battery’s communication protocol, connection configuration and BMS settings.

5. Crown Battery Expandable Parallel Connection

The battery supports parallel operation of up to 16 units. This allows system designers to plan additional storage capacity according to project requirements.

The inverter, communication arrangement, cabling and battery configuration must support the intended parallel setup.

6. LCD Display and LED Indicator

The built-in LCD display provides battery information, including voltage, temperature and state of charge (SOC). An LED indicator also provides operational status information.

These features help users and installers check battery condition during normal operation.

Best Applications for Crown 51.2V 400Ah Battery

For storage-system buying guidance, read our Crown Battery Buying Guide. Furthermore, use What Size Solar Battery Do I Need for My House? to estimate backup capacity from household consumption, rather than relying on nominal battery energy alone.

The Crown 51.2V 400Ah Lithium Battery can be considered for:

• Residential solar energy storage systems requiring higher battery capacity.
• Commercial solar installations with substantial storage requirements.
• Hybrid inverter systems requiring compatible 51.2V battery storage.
• Properties that need stored solar energy during evening hours.
• Solar installations where parallel battery expansion is required.
• Users looking to upgrade an existing energy storage setup after compatibility assessment.

Not Ideal For

This battery may not be suitable for:

• Inverter systems that do not support its battery voltage.
• High-voltage battery installations requiring a different battery architecture.
• Inverters without compatible CAN or RS485 communication where BMS communication is required.
• Applications where the connected load exceeds the battery’s permitted discharge limits.
• Installations that cannot accommodate the battery’s physical dimensions and weight.

Always check inverter compatibility and electrical requirements before purchasing.

Crown 400Ah Battery Capacity: kWh, Ah and Usable Energy

The Crown 51.2V 400Ah battery offers 20.48kWh calculated nominal energy. However, the actual usable energy and expected AC backup runtime depend on operating limits, battery settings, inverter efficiency and connected loads.

Battery capacity is commonly expressed in ampere-hours (Ah), while energy storage is measured in kilowatt-hours (kWh).

The Crown battery has a nominal voltage of 51.2V and a capacity of 400Ah.

The nominal energy calculation is:

Voltage × Capacity ÷ 1,000 = Nominal Energy

51.2 × 400 ÷ 1,000 = 20.48kWh

This is a calculated nominal energy value, not a confirmed usable-energy rating.

Actual usable energy depends on the permitted depth of discharge, battery operating limits, inverter efficiency and environmental conditions.

Battery Chemistry and Cycle Life

The Crown battery uses LFP lithium cell technology and has a cycle life of more than 8,000 cycles under the stated test condition of 0.5C and 50% depth of discharge (DOD).

Cycle life is influenced by charging and discharging patterns, operating temperature, discharge depth and battery management.

The battery also has a stated design life of more than 15 years at 25°C. Actual service life can vary depending on installation and operating conditions.

Battery Management System and Safety

The integrated BMS manages important battery operating parameters, including:

• Voltage monitoring
• Current monitoring
• Temperature monitoring
• Cell balancing

The battery also features fire-redundant wiring and laser welding for enhanced construction and safety.

Correct electrical protection, suitable installation, proper ventilation and compatible charging settings remain important for safe operation.

Charging and Discharging Performance

The battery has a charging voltage range of 56.0V to 57.0V and a discharging voltage of 44.8V.

Its maximum constant discharging current is 200A. The recommended charging current is identified as 100A under the operating conditions.

Use suitable inverter charging settings and follow the permitted current limits for the complete battery system.

Crown 51.2V 400Ah Battery Inverter Compatibility

For battery communication and compatible inverter settings, see Technical Support Services and How Hybrid Inverters Work with Batteries. Nevertheless, a CAN/RS485 port does not guarantee compatibility with every inverter’s model, firmware or BMS protocol.

The Crown 51.2V 400Ah Lithium Battery supports CAN and RS485 communication for integration with compatible inverters.

However, matching the nominal voltage alone does not guarantee compatibility. Before connecting the battery, check:

• Inverter battery voltage requirements.
• Supported lithium battery communication protocols.
• CAN or RS485 connection configuration.
• BMS communication settings.
• Maximum charging and discharging current.
• Battery parallel configuration.

Hajvery Solar Energy can help buyers assess battery and inverter compatibility before purchasing.

Crown 400Ah Battery Parallel Expansion

To compare storage capacities and published rates, browse Lithium Battery Prices in Pakistan and the Crown Lithium Battery Collection. Therefore, evaluate system current limits, communication configuration and installation requirements before adding modules.

This battery supports parallel connection of up to 16 units.

Parallel expansion can increase the total energy storage available to a suitable solar system. However, the final arrangement must follow the battery and inverter requirements.

Installers should verify communication connections, current-sharing arrangements, cabling and protection before expanding the battery bank.

Crown CMLB-51.2-400 Technical Specifications

Estimated Backup Time

The Crown 51.2V 400Ah Lithium Battery has approximately 20.48kWh of calculated nominal energy.

Backup time depends on actual usable energy, inverter conversion losses, battery discharge limits and connected electrical load.

For illustration, the following calculations use an assumed 90% overall conversion efficiency and the full calculated nominal energy as the starting point. They are theoretical estimates, not guaranteed operating runtimes.

Important: Actual backup will generally be lower because the complete nominal battery energy may not be available for use. The inverter and battery discharge limits must also be respected.

Lithium Battery Use in Pakistan

Lithium battery storage is useful for solar installations in Pakistan where users want to store daytime solar energy and use it during evening hours or electricity outages.

The Crown 51.2V 400Ah battery offers a higher-capacity storage option for suitable residential and commercial applications.

For installations in warmer areas, temperature management and proper placement are particularly important. The battery should operate within its specified charging and discharging temperature ranges.

Installers should also configure the inverter correctly and use suitable electrical protection to maintain reliable system operation.

Crown 51.2V 400Ah Lithium Battery Price in Pakistan

The Crown 51.2V 400Ah Lithium Battery price in Pakistan can be confirmed by contacting Hajvery Solar Energy.

This product is currently unavailable at Hajvery Solar. Restocking is expected in the future, but the availability date has not been confirmed.

Hajvery Solar Energy is a Crown Official Distributor, providing product information and assistance with battery selection. Customers can contact the team for future availability updates and purchasing information.

Crown Battery Authenticity and Compatibility Checks

For general authenticity guidance, consult Lithium Battery Verification Guide and see available documentation at Authorized Dealership Certificates. These pages do not replace original Crown serial-number checks or written warranty terms for the delivered unit.

Choosing the correct battery is important for the safety and performance of a solar energy storage system.

Before purchasing the Crown 51.2V 400Ah Lithium Battery, buyers should check:

• Exact battery model and product identification.
• Battery voltage and capacity requirements.
• Inverter compatibility and BMS communication.
• CAN or RS485 connection requirements.
• Charging and discharging current limits.
• Parallel expansion requirements.
• Applicable warranty terms and conditions.

Hajvery Solar Energy is a Crown authorized dealer, helping customers with product information and battery compatibility guidance.

Crown 51.2V 400Ah Battery Warranty and Support

For warranty documentation, stock updates and purchasing enquiries, Contact Hajvery Solar Energy. In particular, retain the battery’s exact model identification, purchase invoice and serial number for after-sales support.

The Crown 51.2V 400Ah Lithium Battery comes with a 5-year warranty, subject to applicable terms and conditions.

Customers should confirm the warranty coverage, claim requirements and applicable conditions with Hajvery Solar Energy before purchasing.

Hajvery Solar Energy is an Official Crown Distributor, helping customers obtain product information and guidance regarding applicable warranty support.

Before You Buy

Before selecting this lithium battery, consider the following:

1. Inverter Voltage: Confirm that your inverter supports a 51.2V battery.
2. Battery Capacity: Check whether 400Ah meets your required energy storage needs.
3. Charging Current: Ensure the inverter settings match the permitted charging current.
4. Discharging Current: Confirm that the battery can support your expected load.
5. BMS Communication: Check CAN or RS485 compatibility.
6. Parallel Expansion: Confirm the inverter and battery arrangement for multiple units.
7. Installation Space: Allow sufficient space for the battery’s size and weight.
8. Warranty: Understand the applicable five-year warranty terms and conditions.

Buying through Hajvery Solar Energy, an authorized Crown dealer, gives customers a point of contact for product and compatibility enquiries.

Crown Lithium Battery Frequently Asked Questions

1. What is the Crown 51.2V 400Ah Lithium Battery price in Pakistan?

The current price of the Crown 51.2V 400Ah Lithium Battery in Pakistan is Rs. 0. If the listed price is zero, the product is temporarily out of stock and restocking is expected in the future. Contact Hajvery Solar for the latest availability information.

2. What is the capacity of this Crown lithium battery?

It has a nominal voltage of 51.2V and a battery capacity of 400Ah, providing approximately 20.48kWh of calculated nominal energy.

3. Which battery technology does it use?

It uses LFP (Lithium Iron Phosphate) cell technology.

4. What is the cycle life of the Crown 400Ah battery?

It has a cycle life of more than 8,000 cycles under the stated condition of 0.5C and 50% DOD.

5. Does the Crown 51.2V 400Ah battery support parallel connection?

Yes. It supports parallel connection of up to 16 units, subject to compatible system configuration and installation requirements.

6. Does this battery support CAN and RS485 communication?

Yes. It supports both CAN and RS485 communication for integration with compatible inverter systems.

7. What is the warranty period?

The battery carries a five-year warranty, subject to applicable terms and conditions.

8. How can I check inverter compatibility?

Check the inverter’s battery voltage requirements, supported BMS communication protocol, charging limits and discharging limits. Contact Hajvery Solar Energy for compatibility guidance.

Buy Crown 51.2V 400Ah Lithium Battery from Hajvery Solar

Alternatively, compare the Crown 51.2V 300Ah Lithium Battery if a smaller nominal energy capacity is preferable. The 300Ah and 400Ah models are different storage capacities, so verify your inverter and backup requirements before selecting one.

Looking for a high-capacity Crown lithium battery in Pakistan? Hajvery Solar Energy provides product information and assistance to customers planning residential and commercial solar energy storage systems.

The Crown 51.2V 400Ah model is currently unavailable. Contact Hajvery Solar for restocking updates, purchasing information and inverter compatibility guidance.