Deye SE-G5.1 Pro-B LV Battery 5.1 kW

Product code: ME.Battery.SE-G5.1 Pro-B LV Battery 5.1 kW

Manufacturer

Product prices only visible after login. If you do not have an account, please register.

Manufacturer	DEYE
Country of origin	China
Warranty	10
Weight	45
Width	440
Height	133
Depth	540

Deye SE-G5.1 Pro-B is a lithium iron phosphate (LiFePO₄) battery with a capacity of 100 Ah and energy of 5.12 kWh. It provides high usable efficiency of 4.6 kWh and a lifespan of over 6000 cycles at 90% DOD. Equipped with an intelligent BMS and IP20 protection rating, it ensures reliable operation in a wide temperature range from -20 °C to 55 °C.

Download as PDF

Product description

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

Product Description

The Deye SE-G5.1 Pro-B battery is a modern and safe energy storage solution for PV systems based on LiFePO₄ technology. It delivers a usable energy of 4.6 kWh and supports charge/discharge currents up to 100 A. With the ability to connect up to 64 modules in parallel, it allows easy scalability for both residential and commercial systems. The built-in smart BMS protects the cells, while natural cooling and a wide operating temperature range make it a reliable choice for modern PV installations.

Applications

Photovoltaic systems with energy storage
Low-voltage hybrid systems
Backup and buffer power supply for residential buildings
Commercial solutions requiring high reliability
Projects designed to increase energy self-consumption

Main Advantages

LiFePO₄ technology – safe, durable, and cobalt-free
Usable energy 4.6 kWh and lifetime over 6000 cycles
Expandable system – up to 64 modules in parallel
Built-in intelligent BMS for complete cell protection
Operating temperature range: -20 °C – 55 °C
Natural cooling and silent operation
Supports CAN 2.0 and RS485 inverter communication

Technical Specifications

Parameter	Value
Cell technology	LiFePO₄
Capacity	100 Ah
Total energy	5.12 kWh
Usable energy	4.6 kWh
Operating voltage range	43.2 – 57.6 V
Max charge/discharge current	100 A (150 A / 2 min)
Cycle life	≥6000 cycles @ 90% DOD, 25 °C
Protection class	IP20
Operating temperature	Charge 0–55 °C / Discharge -20–55 °C
Communication	CAN 2.0, RS485
Dimensions	440 × 133 × 540 mm
Weight	45 kg
Certificates	UN38.3, IEC62619, CE, UKCA, VDE2510-50, UL1973, UL9540A

B2B Offer

Planning a system with the Deye SE-G5.1 Pro-B battery? Contact us for wholesale offers, technical support, or a customized quotation for PV and energy storage installations.