BSL BATT 15.36kWh 51.2V 300Ah LiFePO4 Powerwall Battery
Overview of the BSL BATT 15.36kWh Powerwall Battery
The BSL BATT 15.36kWh Powerwall battery is a high-capacity low-voltage lithium iron phosphate (LiFePO4) energy storage solution designed for residential and light commercial solar applications. With a nominal voltage of 51.2V and a large 300Ah capacity, this battery delivers long runtime, strong discharge performance, and excellent cycle life in a wall-mounted steel enclosure.
What the BSL BATT 15.36kWh Battery Is Designed to Do
This battery stores DC electrical energy and supplies it to compatible low-voltage inverter systems. It is designed to:
- Provide extended backup power during grid outages
- Support daily cycling in hybrid and off-grid solar systems
- Increase solar self-consumption in residential installations
- Replace traditional lead-acid battery banks with a lighter, longer-life solution
What the BSL BATT 15.36kWh Battery Is Not
This product is a battery only and does not perform inverter functions. Specifically:
- It is not an inverter and does not generate AC power
- It does not include MPPT charge controllers
- It does not connect directly to solar panels
- It must not be used in high-voltage battery systems
System Type and Voltage Class
The BSL BATT 15.36kWh battery is designed for 48V-class low-voltage battery systems.
- Nominal battery voltage: 51.2V (16S)
- End-of-discharge voltage: 47–48V
- Low-voltage DC architecture for hybrid and off-grid inverters
Battery Chemistry and Safety Design
The battery uses lithium iron phosphate (LiFePO4) prismatic cells, chosen for safety, thermal stability, and long service life.
- One of the safest lithium battery chemistries available
- Excellent resistance to abuse and thermal stress
- Low self-discharge rate of less than 3% per month
Battery Management System and Protection
An integrated battery management system continuously monitors and protects the battery.
- Over-charge and over-discharge protection
- Over-current and short-circuit protection
- Temperature monitoring during charge and discharge
- Cell balancing for long-term performance
- Battery monitoring and storage history
Charge and Discharge Performance
Charge Specifications
- Recommended charge current: 100A
- Maximum charge current: 100A
- Recommended charge voltage: 54–55V
Discharge Specifications
- Recommended discharge current: 100A
- Maximum continuous discharge current: 200A
- Peak discharge current: 200A
Energy Capacity and Performance
- Nominal energy capacity: 15.36kWh
- Nominal capacity: 300Ah
- Energy efficiency: 99%
Scalability and System Expansion
The BSL BATT Powerwall battery is suitable for modular system design.
- Multiple batteries can be connected in parallel
- Parallel systems increase both total energy capacity and available discharge current
- Designed as a drop-in replacement for lead-acid battery banks
Communication and System Integration
The battery includes communication ports for inverter and monitoring integration.
- Available communication ports for system integration
- Supports monitoring and storage history functions
Technical Specifications – BSL BATT 15.36kWh Powerwall
- Battery chemistry: LiFePO4
- Nominal voltage: 51.2V
- Nominal capacity: 300Ah
- Nominal energy: 15.36kWh
- Self-discharge rate: <3% per month
- Cycle life: Long cycle life depending on depth of discharge
Physical Specifications and Installation
The battery is housed in a durable steel enclosure designed for wall-mounted installation.
- Installation type: Wall-mounted
- Dimensions (L × W × H): 600 × 190 × 950 mm
- Weight: 130 kg
- Case material: Steel
Environmental Operating Limits
- Discharge temperature range: -20°C to 60°C
- Charge temperature range: 0°C to 45°C
- Storage temperature range: -20°C to 55°C
Compliance and Certifications
- CE certification (battery)
- UN38.3 transport certification
- RoHS 2.0 (cells)
- Shipping classification: UN 3480, Class 9
Typical Applications for the BSL BATT 15.36kWh Battery
- Residential solar energy storage systems
- Hybrid and off-grid solar installations
- Backup power and UPS applications
- Replacement for lead-acid battery banks
FAQ
Frequently Asked Questions
What type of inverter systems work with the BSL BATT 15.36kWh battery?
This battery is designed for low-voltage hybrid and off-grid inverter systems that support 48V LiFePO4 batteries. Inverter compatibility depends on correct configuration and communication support.
How much usable energy does this battery provide?
The battery has a nominal energy capacity of 15.36kWh. Actual usable energy depends on depth-of-discharge settings and inverter configuration.
Can this battery support high household loads?
Yes. With a maximum continuous discharge current of 200A, the battery can support higher residential loads when paired with an appropriately sized inverter.
Is this battery suitable for daily cycling?
Yes. The LiFePO4 chemistry and long cycle life make it suitable for daily charge and discharge operation in solar energy systems.
Can multiple BSL BATT 15.36kWh batteries be connected together?
Yes. Multiple batteries can be connected in parallel to increase total system capacity and available discharge current.
Is this battery safe compared to older lithium or lead-acid batteries?
Yes. LiFePO4 chemistry is one of the safest lithium battery technologies available and offers improved thermal stability and longer lifespan compared to lead-acid batteries.
Is the battery suitable for indoor installation?
Yes. The battery is designed for wall-mounted indoor installations or fully protected environments.
Does the battery include built-in protection?
Yes. The integrated battery management system provides comprehensive electrical and thermal protection.
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