BSL B-LFP48-170E 8.8kWh 51.2V LiFePO4 Low Voltage Battery
Overview of the BSL B-LFP48-170E 8.8kWh Battery
The BSL B-LFP48-170E 8.8kWh battery is a high-capacity low-voltage lithium iron phosphate (LiFePO4) energy storage solution designed for residential, commercial, and industrial backup and solar power systems. Operating at a nominal voltage of 51.2V, this battery is intended for applications that require long runtime, high discharge capability, and extended service life.
What the BSL 8.8kWh Battery Is Designed to Do
The BSL B-LFP48-170E battery stores DC electrical energy and supplies it to a compatible low-voltage inverter during grid outages or when solar generation is insufficient. Its large energy capacity makes it suitable for extended backup durations, energy shifting, and applications where longer autonomy is required from a single battery module.
What the BSL B-LFP48-170E Battery Is Not
This battery is not an inverter and cannot produce AC power on its own. It does not include MPPT charge controllers or grid synchronization hardware. The BSL B-LFP48-170E is a low-voltage battery and must not be connected to high-voltage battery inverters or series-stacked HV systems.
BSL 8.8kWh battery System Type and Voltage Class
The BSL B-LFP48-170E 8.8kWh battery is designed for 48V-class low-voltage battery systems. With a nominal voltage of 51.2V, it integrates with compatible low-voltage hybrid and off-grid inverters that support LiFePO4 batteries via CAN or RS485 communication.
BSL 8.8kWh battery Chemistry and Internal Protection
The battery uses lithium iron phosphate (LiFePO4) prismatic cells, chosen for their intrinsic safety, thermal stability, and long cycle life. An integrated battery management system provides voltage protection, current limiting, temperature protection, and system monitoring to ensure safe and reliable operation.
BSL 8.8kWh battery Charge and Discharge Capability
The BSL B-LFP48-170E battery is designed for high-current operation. It supports a recommended discharge current of 100A and a maximum discharge current of 200A, with a peak discharge capability of 250A for short durations. This allows the battery to support demanding inverter loads and high surge currents.
Scalability and Parallel Operation
This battery is suitable for parallel operation in larger energy storage systems, allowing total capacity and power output to be increased while maintaining a 48V system voltage. Parallel configurations depend on inverter compatibility and system design.
Technical Specifications – BSL B-LFP48-170E Battery
- Battery chemistry: LiFePO4
- Nominal battery voltage: 51.2V (16S)
- Nominal capacity: 170Ah
- Total energy capacity: 8.806kWh
- Efficiency: 99%
- Self-discharge rate: less than 3% per month
- Recommended depth of discharge: 90%
BSL 8.8kWh battery Discharge Specifications
- Maximum continuous discharge current: 200A
- Peak discharge current: 250A (1 second)
- Recommended discharge current: 100A
- End-of-discharge voltage: 47–48V
BSL 8.8kWh battery Charge Specifications
- Recommended charge current: 80A
- Maximum charge current: 100A
- Recommended charge voltage: 54–55V
Physical Specifications and Construction
The BSL B-LFP48-170E battery is housed in a durable steel enclosure designed for industrial and stationary energy storage environments. The casing provides mechanical strength and protection for long-term operation.
BSL 8.8kWh battery Mechanical Specifications
- Dimensions (L × W × H): 600 × 403.5 × 225 mm
- Weight: 73 kg
- Case material: Steel
BSL 8.8kWh battery 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
Cycle Life and Service Life
The BSL B-LFP48-170E battery is designed for a long service life of approximately 15 to 18 years. Cycle life performance varies with depth of discharge, with significantly extended cycle counts achievable at lower DOD levels.
Typical Applications for the BSL 8.8kWh Battery
- Residential backup power systems
- Hybrid solar energy storage systems
- Uninterruptible power supply applications
- Industrial and commercial energy storage
- Material handling and equipment power systems
FAQ
Frequently Asked Questions
Is the BSL B-LFP48-170E an inverter?
No. This product is a battery only and must be used with a compatible low-voltage inverter to supply AC power.
Is the BSL 8.8kWh battery low voltage or high voltage?
This is a low-voltage battery operating at a nominal 51.2V and intended for 48V inverter systems.
Can the BSL B-LFP48-170E battery be connected in parallel?
Yes. The battery supports parallel operation in larger systems, subject to inverter compatibility and system design.
What makes this battery different from smaller 5kWh batteries?
The BSL B-LFP48-170E offers significantly higher energy capacity in a single module, providing longer runtime and higher discharge capability.
Can this battery support high inverter loads?
Yes. With up to 200A continuous and 250A peak discharge current, the battery is suitable for high-power inverter applications.
What battery chemistry is used?
The battery uses lithium iron phosphate (LiFePO4) chemistry, known for safety, thermal stability, and long cycle life.
Is this battery suitable for solar and backup systems?
Yes. The battery is designed for solar energy storage, backup power systems, and industrial applications requiring long-duration energy storage.
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