Deye SE-G5.1 PRO-B 5.12 kWh 51.2 V LiFePO4 Battery Module
€1,049.00
Deye SE-G5.1 PRO-B is a 51.2 V LiFePO4 module: 5.12 kWh nominal (about 4.6 kWh at 90% DOD), up to 64 units in parallel.
- Free delivery across Lithuania
- 14-day returns — we pay for the return shipping
- Manufacturer warranty, CE compliant
Deye SE-G5.1 PRO-B is a 51.2 V LiFePO4 battery module with 100 Ah nominal capacity and 5.12 kWh nominal energy (about 4.6 kWh at 90% depth of discharge). It has a built-in smart BMS, IP20 protection and natural cooling. Up to 64 units connect in parallel (up to 327 kWh), so it suits home and commercial energy storage with a hybrid or solar system.
Technical specifications
| Parameter | Value |
|---|---|
| Manufacturer | Deye |
| Model | SE-G5.1 PRO-B |
| Chemistry | LiFePO4, cobalt-free |
| Nominal capacity | 100 Ah |
| Nominal voltage | 51.2 V |
| Nominal energy | 5.12 kWh |
| Usable energy | about 4.6 kWh at 90% DOD |
| Parallel connection | up to 64 units, up to 327 kWh |
| Ingress protection | IP20 |
| Discharging temperature | –20 to 55 °C |
| Cooling | natural |
| BMS | built-in smart BMS with full protection |
| Extras | automatic module pairing and IP addressing; remote monitoring, updates via USB |
| Warranty | manufacturer’s warranty, manufacturer’s conditions apply |
Who the Deye SE-G5.1 PRO-B home battery is for
- Home energy storage systems
- Commercial solutions
- Hybrid or solar systems that want a higher share of self-consumed energy
How much battery storage capacity do I need?
One SE-G5.1 PRO-B module has 5.12 kWh nominal energy, and about 4.6 kWh at 90% depth of discharge. Choose capacity by your evening and night consumption. If one module is not enough, up to 64 units connect in parallel for up to 327 kWh in total. Modules pair and receive IP addresses automatically.
Battery and hybrid inverter: compatibility
The SE-G5.1 PRO-B is a low-voltage (51.2 V) module that connects to the inverter. Deye keeps an approved battery list for inverters, so before you order it must be checked that your inverter is on it. High-voltage and low-voltage systems are not compatible with each other.
How do I connect a battery to a solar PV system?
The battery connects to a hybrid inverter and keeps the solar surplus for the evening. ESO (Lithuanian grid operator) states:
“Part of the surplus electricity generated can be stored in an energy storage device and used in the evening.”
The same ESO page says a storage unit reduces the power fed into the distribution grid, so in some cases a larger plant can be connected than grid limits alone would allow.
We handle it for you. We select the equipment for your site, deliver anywhere in Lithuania, install and connect it. A consultation before purchase is free.
What to know before buying
- Ingress protection: IP20 does not protect against water, so choose a location inside the building.
- Temperature: discharging works at –20 to 55 °C.
- Monitoring: remote monitoring and updates via USB.
- Warranty: the manufacturer’s warranty applies, on the manufacturer’s conditions.
Frequently asked questions
What is the usable energy of the Deye SE-G5.1 PRO-B?
The Deye SE-G5.1 PRO-B has 5.12 kWh nominal energy, and about 4.6 kWh at 90% depth of discharge.
How many Deye SE-G5.1 PRO-B modules can be connected in parallel?
Up to 64 units of the Deye SE-G5.1 PRO-B can be connected in parallel, for up to 327 kWh in total.
What are the nominal voltage and capacity of the Deye SE-G5.1 PRO-B?
The Deye SE-G5.1 PRO-B has a nominal voltage of 51.2 V and a capacity of 100 Ah.
What warranty does the Deye SE-G5.1 PRO-B have?
The Deye SE-G5.1 PRO-B comes with the manufacturer’s warranty, on the manufacturer’s conditions. Hybrid Energy confirms which warranty applies to your site before you order.
What temperature does the Deye SE-G5.1 PRO-B work at?
The Deye SE-G5.1 PRO-B discharges at –20 to 55 °C. Hybrid Energy confirms the charging temperature limits for the specific unit before the order.
Can the Deye SE-G5.1 PRO-B be installed outdoors?
No, the Deye SE-G5.1 PRO-B has IP20 protection, which does not protect against water, so install it inside the building.
Which inverters does the Deye SE-G5.1 PRO-B work with?
The Deye SE-G5.1 PRO-B is a 51.2 V low-voltage module. Hybrid Energy checks that your inverter is on the manufacturer’s approved battery list.
Can you install the Deye SE-G5.1 PRO-B at my property?
Yes. Hybrid Energy selects the equipment for your site, delivers anywhere in Lithuania, and installs and connects the Deye SE-G5.1 PRO-B.
Sources
| Dvipusis | N |
|---|---|
| Brand | Deye |
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