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5.12kWh 51.2V Modular LiFePO4 Residential Energy Storage Battery for Home Solar Systems
5.12kWh 51.2V 100Ah LiFePO4 Residential Energy Storage Battery
The 5.12kWh 51.2V 100Ah LiFePO4 Residential Energy Storage Battery provides a practical starting capacity for home solar storage, backup power and other low-voltage residential energy applications.
Rather than requiring a large battery bank from the beginning, the modular design allows a residential system to start with one 5.12kWh battery and add compatible units when more storage capacity is required.
A 5.12kWh Starting Point for Residential Energy Storage
Residential battery sizing depends on how much electricity needs to be stored and which household loads require backup. One battery provides 5.12kWh of nominal energy from a 51.2V 100Ah LiFePO4 platform.
For homes that need more energy capacity, the product specification supports up to 15 battery units in parallel.
How This Battery Fits into a Home Solar Storage System
This product is the battery storage component of a residential energy storage system. A complete solar storage installation also requires a compatible inverter and other system components according to the project design.
What Load Can a 5.12kWh Battery Support?
Battery energy capacity and load power are two different parts of system sizing. The specification lists recommended maximum load power of up to 4kW and an ultimate maximum load power of up to 5kW.
This does not mean every 4kW or 5kW inverter is automatically compatible. Battery current limits, inverter settings and BMS communication should also be checked before confirming the system configuration.
51.2V Battery Integration with Solar Inverters
The battery uses a nominal 51.2V architecture and provides CAN and RS485 communication for integration with compatible inverter systems.
Because communication protocols can vary between inverter brands and individual models, the exact inverter brand and model should be confirmed before ordering rather than assuming compatibility from voltage alone.
Core Technical Specifications
Swipe left or right to view the complete specification table.
| Parameter | Specification |
|---|---|
| Battery Chemistry | LiFePO4 |
| Nominal Energy | 5.12kWh |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 100Ah |
| Recommended Charge Current | ≤100A |
| Recommended Maximum Load Power | ≤4kW |
| Ultimate Maximum Load Power | ≤5kW |
| Recommended Charge Voltage | 57.6V |
| Communication | RS485 / CAN |
| Parallel Expansion | Up to 15 Units |
| Cycle Life | 8000 Cycles (25°C, 100% DOD) |
| Specified Service Life | 10 Years |
| Protection Rating | IP21 |
| Dimensions | 550 × 455 × 155mm |
| Approx. Weight | 47.15kg |
Installation and Operating Environment
The battery measures 550 × 455 × 155mm and has an approximate weight of 47.15kg. The product information describes a modular design with flexible brackets for installation and expansion.
The enclosure protection rating is IP21. Discharge temperature is specified from -20°C to +55°C, while charging temperature is 0°C to +45°C.
The supplied documentation lists UN38.3 and MSDS for the battery, with UL1642 and IEC62133 listed for the cells.
Frequently Asked Questions
Q1. Is a 5kWh battery enough for a home solar system?
It depends on household electricity use and the loads that need backup. One battery provides 5.12kWh of nominal energy. Homes requiring longer backup time or more stored solar energy can use additional compatible battery units.
Q2. How long can a 5.12kWh battery power a house?
Backup time depends on the average electrical load and the usable battery energy available under the system settings. A lower continuous load will provide a longer operating time than a higher load, so a fixed backup duration cannot be determined from the 5.12kWh rating alone.
Q3. Can I use this 5.12kWh battery with a 5kW inverter?
The technical specification lists recommended maximum load power of up to 4kW and ultimate maximum load power of up to 5kW. The exact inverter should still be checked for battery voltage, current requirements and CAN or RS485 communication compatibility before installation.
Q4. Can I connect two 5.12kWh batteries to make a 10kWh home battery system?
Yes. Two 5.12kWh batteries provide 10.24kWh of nominal energy when configured as a compatible parallel battery system.
Q5. How many 5.12kWh batteries can be connected in parallel?
The product specification supports up to 15 units in parallel. Based on 5.12kWh nominal energy per unit, fifteen batteries provide 76.8kWh of nominal storage capacity.
Q6. Can this 51.2V battery work with my hybrid solar inverter?
The battery provides CAN and RS485 communication and is designed for low-voltage energy storage applications. Exact compatibility depends on the inverter model and communication protocol, so the inverter brand and model should be confirmed before ordering.
Q7. What is the difference between a 5kWh and 10kWh home battery system?
The main difference is stored energy capacity. A larger battery configuration can provide more stored energy for solar self-consumption or backup, while the appropriate size depends on daily electricity use, backup loads and required operating time.
Q8. Can this residential battery be installed outdoors?
The enclosure protection rating is IP21. The installation location should therefore provide environmental protection appropriate to this rating and remain within the specified operating temperature conditions.
Q9. How many cycles does this 5.12kWh LiFePO4 battery provide?
The detailed technical parameter table specifies 8000 cycles at 25°C and 100% depth of discharge. Actual service life will depend on operating temperature, charging and discharging conditions and system settings.
Q10. What information should I provide before ordering a residential battery system?
Provide the inverter brand and exact model, typical household load, required backup duration, solar system capacity and target battery storage capacity. These details help determine the required battery quantity and check inverter communication compatibility.
How Much Battery Storage Does Your Home Need?
Send us your inverter model, household load, required backup time and solar system information. We can help check whether one 5.12kWh battery or a larger multi-battery configuration is more appropriate for your residential energy storage system.
Plan Your Residential Battery System5.12kWh Residential Energy Storage Battery
,Modular Design LiFePO4 Battery
,51.2V Home Battery Storage
Customer Service
- Email: info@voltertechenergy.com
- Tel: +86 13600078043
- WhatsApp: 8613600078043
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