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Deye SE-G5.1 Pro-B 5.1kWh LiFePO4 Lithium Battery

Modelo: SE-G5.1 PRO-B

Sku: DEYEBAT001
Vendor: Deye

€1.407,77 EUR

€1.126,21 EUR

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The Deye SE-G5.1 Pro-B 5.1kWh LiFePO4 Lithium Battery offers secure LFP storage at 51.2 V, 3U format for rack/wall/floor, intelligent BMS, and modular expansion for self-consumption and backup.

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Specifications

Product Description

The Deye SE-G5.1 Pro-B 5.1kWh LiFePO4 Lithium Battery is a 48/51.2 V LFP module designed for residential and commercial installations seeking reliable, scalable, and easy-to-install storage. With a 3U (19”) format, integrated breaker, and CAN/RS485 communications, it can be mounted in a rack, on a wall, or on the floor, and allows capacity expansion in parallel without complexity. Its cobalt-free LiFePO₄ chemistry maximizes safety and lifespan, while the intelligent BMS ensures precise battery bank management and stable operation in self-consumption, backup, and peak management applications.

Main Features

Energy per module: 5.12 kWh (51.2 V / 100 Ah) with high cycle efficiency.
LiFePO₄ (LFP) chemistry for maximum thermal safety and long lifespan (≥ 6000 cycles).
3U (19”) format with rack, wall, or floor mounting; installation accessories included.
Intelligent BMS with CAN2.0/RS485 communications and auto-networking between modules.
Integrated 125 A breaker and comprehensive electronic protections in each module.
Scalability: parallel up to 64 modules (up to ≈ 327 kWh nominal).

Advantages or Benefits

Safety and reliability: LFP chemistry and advanced BMS reduce risks and stabilize performance over the years.
Savings and autonomy: stores photovoltaic surplus for nighttime use, reducing bills and increasing self-sufficiency.
Versatile installation: the 3U format allows integration in a 19” rack, wall mounting, or stacking on the floor with supplied supports.
Seamless growth: add modules in parallel as consumption increases, without redoing the installation or changing the 48 V inverter.
Agile maintenance: front access, SOC/status LEDs, and organized wiring to reduce service times.

Purpose or Applications

Suitable for residential self-consumption with batteries, small and medium businesses, backup systems for outages, time-shifting and peak-shaving strategies, and modernization of existing 48 V installations. The Deye SE-G5.1 Pro-B stands out in indoor technical rooms where cable management, ease of expansion, and long-term reliability are valued.

Technical Specifications

Power / Energy	5.12 kWh per module (≈ 4.6 kWh usable at 90% DoD)
Nominal voltage	51.2 V (operation 43.2–57.6 V)
Format	19” rack / 3U · Wall or floor mounting · IP20 (indoor)
Capacity / Current	100 Ah · 50 A recommended · 100 A continuous · 150 A peak (2 min @25 °C)
Management	Intelligent BMS · 125 A breaker · CAN/RS485 · SOC/status LEDs
Life cycles	≥ 6000 (0.5C/0.5C, 25 °C, 90% DoD, 70% EoL)
Dimensions / Weight	440 × 133 × 540 mm (3U) · ≈ 45 kg

Compatibilities

Compatible with 48 V hybrid inverters that support CAN/RS485 communication (including the Deye residential range) and with 19” rack installations (depth ≥ 600 mm), wall, or floor. Up to 64 modules can be paralleled on the same bus to achieve higher capacities.

With the Deye SE-G5.1 Pro-B 5.1kWh LiFePO4 Lithium Battery you get a solid, safe, and modular foundation for your 48 V system: greater autonomy, versatile integration, and growth tailored to your energy needs.