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5.12kWh 51.2V Modular LiFePO4 Residential Energy Storage Battery for Home Solar Systems
5.12kWh 51.2V Modular LiFePO4 Residential Energy Storage Battery for Home Solar Systems
Specifications
Model Number :
BAT-5KWH-51.2V-W-2
Monitoring Support :
Remote Update & Easy Monitoring
Supply Ability :
5000 Sets per Month
Residential Energy Use :
Solar Self-Consumption & Backup Storage
MOQ :
2 Units
Delivery Time :
10-15 Days for Samples; 30-40 Days for Bulk Production
Installation Concept :
Modular Design with Flexible Brackets
Payment Terms :
L/C,T/T,Western Union
Storage Strategy :
Start Small and Expand Capacity
Inverter Connection :
CAN / RS485 Communication
Price :
Negotiable
System Integration :
48V-Class Solar Storage Systems
Expansion Concept :
Modular Multi-Battery Configuration
Place of Origin :
China
Certification :
MSDS , UN38.3
Brand Name :
Voltertech
Target Buyers :
Residential Solar Installers / ESS Distributors
Packaging Details :
Heavy-Duty Wooden Case with Protective Foam
Description

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.

5.12kWh 1 Battery
10.24kWh 2 Batteries
25.6kWh 5 Batteries
76.8kWh 15 Batteries
Capacity figures above are nominal calculations based on 5.12kWh per battery. Actual usable energy depends on the battery operating settings and complete system configuration.

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.

Solar Self-Consumption Store solar energy for later household electricity use as part of a compatible PV and inverter system.
Backup Energy Storage Battery capacity can be allocated to household backup requirements according to the selected inverter and connected loads.
Expandable Storage Additional compatible batteries can be connected when the required storage capacity increases.
Residential Monitoring The supplied product information includes remote update and easy monitoring functions.

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.

For residential backup planning, first determine which appliances need to operate at the same time, then calculate the required backup duration and battery capacity.

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 System
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5.12kWh 51.2V Modular LiFePO4 Residential Energy Storage Battery for Home Solar Systems

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Product Detail
Model Number :
BAT-5KWH-51.2V-W-2
Monitoring Support :
Remote Update & Easy Monitoring
Supply Ability :
5000 Sets per Month
Residential Energy Use :
Solar Self-Consumption & Backup Storage
MOQ :
2 Units
Delivery Time :
10-15 Days for Samples; 30-40 Days for Bulk Production
Contact Supplier
5.12kWh 51.2V Modular LiFePO4 Residential Energy Storage Battery for Home Solar Systems

Voltertech Co.,Limited

Verified Supplier
1 Years
guangdong, guangzhou
Business Type :
Manufacturer
Main Products :
All In One Energy Storage System, Commercial Energy Storage System, High Voltage Battery System
Total Annual :
5000000-10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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