Description
Deye SE-G5.1 Pro-B 5.12 kWh LiFePO₄ 51.2 V Solar Battery – Residential Photovoltaic Storage
Store your solar energy and increase your self-consumption
The Deye SE-G5.1 Pro-B 5.12 kWh battery is a high-performance LiFePO₄ lithium storage solution designed for residential photovoltaic installations.
It allows you to store your surplus electricity produced by your solar panels during the day and use it when your solar production decreases: in the evening, at night, or during periods of low sunlight.
With its capacity of 5.12 kWh, it represents an ideal solution for homes equipped with solar panels of 3 to 9 kWp wishing to reduce their dependence on the electricity grid.
Why choose the Deye SE-G5.1 Pro-B battery?
✓ A battery designed for residential solar storage
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Energy capacity: 5.12 kWh
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Technology: Lithium Iron Phosphate (LiFePO₄)
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Long lifespan: up to 6000 cycles
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Manufacturer's warranty: 10 years
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Low maintenance
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High thermal safety
LiFePO₄ technology is now considered one of the most reliable lithium chemistries for stationary storage.
Advantages of the Deye SE-G5.1 Pro-B
Maximize your solar self-consumption
Without a battery, a part of your photovoltaic production is often sent to the grid.
With a Deye battery:
☀️ Day:
Your panels power your home and charge the battery with the surplus.
🌙 Evening and night:
The battery returns your stored energy.
⚡ Result:
You use more of your own solar production.
A scalable solution
Start with a 5.12 kWh battery and then increase your capacity according to your needs.
The Deye SE-G5.1 Pro-B allows the installation of several modules in parallel to accompany the evolution of your consumption.
Examples:
| Need |
Recommended configuration |
| Small solar home |
1 × 5.12 kWh |
| Family home 6 kWp |
1 to 2 × 5.12 kWh |
| Heat pump + electric vehicle |
2 to 4 × 5.12 kWh |
Technical specifications
| Characteristic |
Value |
| Brand |
Deye |
| Model |
SE-G5.1 Pro-B |
| Type |
Solar lithium battery |
| Nominal capacity |
5.12 kWh |
| Technology |
LiFePO₄ |
| Nominal voltage |
51.2 V |
| Battery capacity |
100 Ah |
| Charge/discharge current |
Up to 100 A |
| Communication |
CAN / RS485 |
| Installation |
Wall-mounted or floor-standing |
| Mounting |
Indoor / protected outdoor |
| Expansion |
Up to several modules |
| Warranty |
10 years |
Compatible with modern solar installations
The Deye SE-G5.1 Pro-B battery is particularly suitable for hybrid systems:
✓ Deye hybrid inverters
✓ Residential low-voltage 48 V photovoltaic installations
✓ Self-consumption solutions with storage
Before purchasing, check compatibility with your existing inverter.
What battery capacity to choose? Example for a house equipped with solar panels:
3 kWp installation: 1 Deye 5.12 kWh battery
6 kWp installation: 1 to 2 Deye 5.12 kWh batteries
9 kWp or more installation: 2 batteries or more depending on consumption
Deye SE-G5.1 Pro-B: a powerful alternative to more expensive batteries
Many households compare the Deye SE-G5.1 Pro-B with Pylontech or Dyness batteries.
Its strengths:
✓ Large capacity of 5.12 kWh
✓ Reliable LiFePO₄ technology
✓ Expandable
✓ Excellent capacity/price ratio
✓ Native integration with Deye systems
Installation and delivery
Your Deye battery delivered in France
With Anysolars:
✓ New and official Deye product
✓ Manufacturer's warranty
✓ Secure delivery
✓ Customer support in French
✓ Advice before installation
Each battery is shipped with packaging suitable for the transport of lithium materials.
Frequently asked questions
How long does a Deye SE-G5.1 Pro-B battery last?
Thanks to its LiFePO₄ technology, it is designed for several thousand cycles and daily use for many years.
How many Deye batteries are needed for a house?
It depends on your consumption and your solar installation.
A house equipped with 6 kWp of solar panels generally uses 1 to 2 5.12 kWh batteries.
Can I add a second battery later?
Yes. The system is designed to evolve with your increasing energy needs.
Does the battery work without solar panels?
It can only be used in an installation compatible with a suitable inverter allowing storage management.
Is this battery suitable for a heat pump or an electric car?
Yes, especially with several modules installed to increase the available capacity.
Recommended pack
Deye solar self-consumption pack
For a complete residential installation:
Contact us for a configuration adapted to your consumption.
Key features to remember
⭐ Deye 5.12 kWh solar battery
⭐ Long-lasting LiFePO₄ technology
⭐ 10-year warranty
⭐ Expandable
⭐ Ideal solution to increase your energy autonomy
Order your Deye SE-G5.1 Pro-B battery and fully exploit your solar production.
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